CINXE.COM
International Union of Radio Science - Wikipedia
<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available" lang="en" dir="ltr"> <head> <meta charset="UTF-8"> <title>International Union of Radio Science - Wikipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )enwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy", "wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgRequestId":"92471ffb-5191-4f00-9f70-f3ebe113e53a","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"International_Union_of_Radio_Science","wgTitle":"International Union of Radio Science","wgCurRevisionId":1252700664,"wgRevisionId":1252700664,"wgArticleId":495454,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Use dmy dates from November 2015","Articles needing additional references from February 2013","All articles needing additional references","Articles containing French-language text","All stub articles","Ghent University","Members of the International Council for Science","Organisations based in East Flanders","Radio organizations","Scientific organisations based in Belgium","Scientific organizations established in 1919", "Members of the International Science Council","Scientific organization stubs"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"International_Union_of_Radio_Science","wgRelevantArticleId":495454,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":false,"wgFlaggedRevsParams":{"tags":{"status":{"levels":1}}},"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":false,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":5000,"wgRelatedArticlesCompat":[],"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader" :true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q241824","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","jquery.makeCollapsible.styles":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","site","mediawiki.page.ready","jquery.makeCollapsible" ,"mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.ReferenceTooltips","ext.gadget.switcher","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=en&modules=ext.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.5"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/d/d7/URSI_logo.png"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="459"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/d/d7/URSI_logo.png"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="306"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/d/d7/URSI_logo.png/640px-URSI_logo.png"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="245"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="International Union of Radio Science - Wikipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//en.m.wikipedia.org/wiki/International_Union_of_Radio_Science"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=International_Union_of_Radio_Science&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (en)"> <link rel="EditURI" type="application/rsd+xml" href="//en.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://en.wikipedia.org/wiki/International_Union_of_Radio_Science"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en"> <link rel="alternate" type="application/atom+xml" title="Wikipedia Atom feed" href="/w/index.php?title=Special:RecentChanges&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-International_Union_of_Radio_Science rootpage-International_Union_of_Radio_Science skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Jump to content</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Main menu" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Main menu</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Main menu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">hide</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Main_Page" title="Visit the main page [z]" accesskey="z"><span>Main page</span></a></li><li id="n-contents" class="mw-list-item"><a href="/wiki/Wikipedia:Contents" title="Guides to browsing Wikipedia"><span>Contents</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Portal:Current_events" title="Articles related to current events"><span>Current events</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Random" title="Visit a randomly selected article [x]" accesskey="x"><span>Random article</span></a></li><li id="n-aboutsite" class="mw-list-item"><a href="/wiki/Wikipedia:About" title="Learn about Wikipedia and how it works"><span>About Wikipedia</span></a></li><li id="n-contactpage" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us" title="How to contact Wikipedia"><span>Contact us</span></a></li> </ul> </div> </div> <div id="p-interaction" class="vector-menu mw-portlet mw-portlet-interaction" > <div class="vector-menu-heading"> Contribute </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-help" class="mw-list-item"><a href="/wiki/Help:Contents" title="Guidance on how to use and edit Wikipedia"><span>Help</span></a></li><li id="n-introduction" class="mw-list-item"><a href="/wiki/Help:Introduction" title="Learn how to edit Wikipedia"><span>Learn to edit</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Community_portal" title="The hub for editors"><span>Community portal</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:RecentChanges" title="A list of recent changes to Wikipedia [r]" accesskey="r"><span>Recent changes</span></a></li><li id="n-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_upload_wizard" title="Add images or other media for use on Wikipedia"><span>Upload file</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Main_Page" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="The Free Encyclopedia" src="/static/images/mobile/copyright/wikipedia-tagline-en.svg" width="117" height="13" style="width: 7.3125em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Search Wikipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search Wikipedia" aria-label="Search Wikipedia" autocapitalize="sentences" title="Search Wikipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Personal tools"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Appearance" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Appearance</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_en.wikipedia.org&uselang=en" class=""><span>Donate</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:CreateAccount&returnto=International+Union+of+Radio+Science" title="You are encouraged to create an account and log in; however, it is not mandatory" class=""><span>Create account</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:UserLogin&returnto=International+Union+of+Radio+Science" title="You're encouraged to log in; however, it's not mandatory. [o]" accesskey="o" class=""><span>Log in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Log in and more options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personal tools" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personal tools</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_en.wikipedia.org&uselang=en"><span>Donate</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&returnto=International+Union+of+Radio+Science" title="You are encouraged to create an account and log in; however, it is not mandatory"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Create account</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:UserLogin&returnto=International+Union+of+Radio+Science" title="You're encouraged to log in; however, it's not mandatory. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages for logged out editors <a href="/wiki/Help:Introduction" aria-label="Learn more about editing"><span>learn more</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about edits from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><!-- CentralNotice --></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Top)</div> </a> </li> <li id="toc-History_and_objectives" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#History_and_objectives"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>History and objectives</span> </div> </a> <ul id="toc-History_and_objectives-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Commissions" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Commissions"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Commissions</span> </div> </a> <ul id="toc-Commissions-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Individual_membership" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Individual_membership"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Individual membership</span> </div> </a> <ul id="toc-Individual_membership-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">International Union of Radio Science</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 12 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-12" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">12 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A7%D9%84%D8%A7%D8%AA%D8%AD%D8%A7%D8%AF_%D8%A7%D9%84%D8%AF%D9%88%D9%84%D9%8A_%D9%84%D8%B9%D9%84%D9%88%D9%85_%D8%A7%D9%84%D8%B1%D8%A7%D8%AF%D9%8A%D9%88" title="الاتحاد الدولي لعلوم الراديو – Arabic" lang="ar" hreflang="ar" data-title="الاتحاد الدولي لعلوم الراديو" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/International_Union_of_Radio_Science" title="International Union of Radio Science – German" lang="de" hreflang="de" data-title="International Union of Radio Science" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Internacia_Unio_de_Radiscienco" title="Internacia Unio de Radiscienco – Esperanto" lang="eo" hreflang="eo" data-title="Internacia Unio de Radiscienco" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%D9%86%D8%AC%D9%85%D9%86_%D8%A8%DB%8C%D9%86%E2%80%8C%D8%A7%D9%84%D9%85%D9%84%D9%84%DB%8C_%D8%B9%D9%84%D9%88%D9%85_%D8%B1%D8%A7%D8%AF%DB%8C%D9%88%DB%8C%DB%8C" title="انجمن بینالمللی علوم رادیویی – Persian" lang="fa" hreflang="fa" data-title="انجمن بینالمللی علوم رادیویی" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Union_radio-scientifique_internationale" title="Union radio-scientifique internationale – French" lang="fr" hreflang="fr" data-title="Union radio-scientifique internationale" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/International_Union_of_Radio_Science" title="International Union of Radio Science – Italian" lang="it" hreflang="it" data-title="International Union of Radio Science" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%94%D7%90%D7%99%D7%92%D7%95%D7%93_%D7%94%D7%91%D7%99%D7%9F-%D7%9C%D7%90%D7%95%D7%9E%D7%99_%D7%9C%D7%9E%D7%93%D7%A2%D7%99_%D7%94%D7%A8%D7%93%D7%99%D7%95" title="האיגוד הבין-לאומי למדעי הרדיו – Hebrew" lang="he" hreflang="he" data-title="האיגוד הבין-לאומי למדעי הרדיו" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%9B%BD%E9%9A%9B%E9%9B%BB%E6%B3%A2%E7%A7%91%E5%AD%A6%E9%80%A3%E5%90%88" title="国際電波科学連合 – Japanese" lang="ja" hreflang="ja" data-title="国際電波科学連合" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Mi%C4%99dzynarodowa_Unia_Nauk_Radiowych" title="Międzynarodowa Unia Nauk Radiowych – Polish" lang="pl" hreflang="pl" data-title="Międzynarodowa Unia Nauk Radiowych" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Kansainv%C3%A4linen_radiotieteen_unioni" title="Kansainvälinen radiotieteen unioni – Finnish" lang="fi" hreflang="fi" data-title="Kansainvälinen radiotieteen unioni" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Li%C3%AAn_%C4%91o%C3%A0n_Khoa_h%E1%BB%8Dc_V%C3%B4_tuy%E1%BA%BFn_Qu%E1%BB%91c_t%E1%BA%BF" title="Liên đoàn Khoa học Vô tuyến Quốc tế – Vietnamese" lang="vi" hreflang="vi" data-title="Liên đoàn Khoa học Vô tuyến Quốc tế" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%9B%BD%E9%99%85%E6%97%A0%E7%BA%BF%E7%94%B5%E7%A7%91%E5%AD%A6%E8%81%94%E7%9B%9F" title="国际无线电科学联盟 – Chinese" lang="zh" hreflang="zh" data-title="国际无线电科学联盟" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q241824#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/International_Union_of_Radio_Science" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:International_Union_of_Radio_Science" rel="discussion" title="Discuss improvements to the content page [t]" accesskey="t"><span>Talk</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">English</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Views"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/International_Union_of_Radio_Science"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=International_Union_of_Radio_Science&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=International_Union_of_Radio_Science&action=history" title="Past revisions of this page [h]" accesskey="h"><span>View history</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Tools" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Tools</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Tools</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">hide</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="More options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/International_Union_of_Radio_Science"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=International_Union_of_Radio_Science&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=International_Union_of_Radio_Science&action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/International_Union_of_Radio_Science" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/International_Union_of_Radio_Science" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=International_Union_of_Radio_Science&oldid=1252700664" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=International_Union_of_Radio_Science&action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&page=International_Union_of_Radio_Science&id=1252700664&wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FInternational_Union_of_Radio_Science"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FInternational_Union_of_Radio_Science"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=International_Union_of_Radio_Science&action=show-download-screen" title="Download this page as a PDF file"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=International_Union_of_Radio_Science&printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q241824" title="Structured data on this page hosted by Wikidata [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><p class="mw-empty-elt"> </p> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-More_citations_needed plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This article <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/International_Union_of_Radio_Science" title="Special:EditPage/International Union of Radio Science">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and removed.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22International+Union+of+Radio+Science%22">"International Union of Radio Science"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22International+Union+of+Radio+Science%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22International+Union+of+Radio+Science%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22International+Union+of+Radio+Science%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22International+Union+of+Radio+Science%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22International+Union+of+Radio+Science%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">February 2013</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox vcard"><caption class="infobox-title fn org">International Union of Radio Science</caption><tbody><tr><td colspan="2" class="infobox-image logo"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:URSI_logo.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/URSI_logo.png/220px-URSI_logo.png" decoding="async" width="220" height="84" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/URSI_logo.png/330px-URSI_logo.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d7/URSI_logo.png/440px-URSI_logo.png 2x" data-file-width="714" data-file-height="273" /></a></span></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Abbreviation</th><td class="infobox-data nickname">URSI</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Formation</th><td class="infobox-data note">1919<span class="noprint">; 105 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">1919</span>)</span></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Type</th><td class="infobox-data"><a href="/wiki/International_nongovernmental_organization" class="mw-redirect" title="International nongovernmental organization">INGO</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Region served </div></th><td class="infobox-data">Worldwide</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Official language </div></th><td class="infobox-data">English, French</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">President</div></th><td class="infobox-data">Ari Sihvola (Finland)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Parent organization</div></th><td class="infobox-data"><a href="/wiki/International_Council_for_Science" title="International Council for Science">International Council for Science</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="http://www.ursi.org">www<wbr />.ursi<wbr />.org</a></span> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q241824#P856" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></td></tr></tbody></table> <p>The <b>International Union of Radio Science</b> (<a href="/wiki/Abbreviation" title="Abbreviation">abbreviated</a> <i><b>URSI</b></i>, after its French name, French: <i lang="fr"><b>Union radio-scientifique internationale</b></i>) is one of 26 international <a href="/wiki/Scientific_union" class="mw-redirect" title="Scientific union">scientific unions</a> affiliated to the <a href="/wiki/International_Council_for_Science" title="International Council for Science">International Council for Science</a> (ICSU). </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History_and_objectives">History and objectives</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=International_Union_of_Radio_Science&action=edit&section=1" title="Edit section: History and objectives"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>URSI was officially created in 1919, during the Constitutive Assembly of the International Research Council (now ICSU), based on the earlier French: <i lang="fr">Commission Internationale de Telegraphie sans Fil</i> (1913–1914) when the only radio communication system was <a href="/wiki/Radiotelegraphy" class="mw-redirect" title="Radiotelegraphy">radiotelegraphy</a>. It has held a general assembly every three years from 1922. Fifty years ago URSI was one of the most important promoters of the <a href="/wiki/International_Geophysical_Year" title="International Geophysical Year">International Geophysical Year</a>. </p><p>In addition to publishing the <a href="/wiki/Open_access" title="Open access">open access</a> journal <i>URSI Radio Science Letters</i>,<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> it sponsors the journals <i><a href="/wiki/Advances_in_Radio_Science" title="Advances in Radio Science">Advances in Radio Science</a></i>, <i><a href="/wiki/Journal_of_Atmospheric_and_Solar-Terrestrial_Physics" title="Journal of Atmospheric and Solar-Terrestrial Physics">Journal of Atmospheric and Solar-Terrestrial Physics</a></i>, and <i><a href="/wiki/Radio_Science" title="Radio Science">Radio Science</a></i>, last of which is co-sponsored by the <a href="/wiki/American_Geophysical_Union" title="American Geophysical Union">American Geophysical Union</a>. </p><p>URSI's original objective (to encourage "scientific studies of radiotelegraphy, especially those which require international cooperation") has been broadened to include all <a href="/wiki/Radio_science" class="mw-redirect" title="Radio science">radio science</a>, from <a href="/wiki/Radio_communication" class="mw-redirect" title="Radio communication">telecommunications</a> to <a href="/wiki/Radio_astronomy" title="Radio astronomy">radio astronomy</a>, acquisition of <a href="/wiki/Radar" title="Radar">radar</a> information about distant passive objects, studies of the radiation stimulated or spontaneously emitted by these objects, biological effects of electromagnetic radiation and active modification of objects by <a href="/wiki/Radio_wave" title="Radio wave">radio waves</a>, within the spectrum from <a href="/wiki/Extremely_low_frequency" title="Extremely low frequency">extremely low frequency</a> to the <a href="/wiki/Optics" title="Optics">optical</a> domain. </p> <div class="mw-heading mw-heading2"><h2 id="Commissions">Commissions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=International_Union_of_Radio_Science&action=edit&section=2" title="Edit section: Commissions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Commission A: Electromagnetic Metrology</li> <li>Commission B: Fields and Waves</li> <li>Commission C: Radiocommunication Systems and Signal Processing</li> <li>Commission D: Electronics and Photonics</li> <li>Commission E: Electromagnetic Environment and Interference</li> <li>Commission F: Wave Propagation and Remote Sensing</li> <li>Commission G: Ionospheric Radio and Propagation</li> <li>Commission H: Waves in Plasmas</li> <li>Commission J: Radio Astronomy</li> <li>Commission K: Electromagnetics in Biology and Medicine</li></ul> <p>A few Commissions are engaged with international projects in cooperation with other international bodies, for example with the <a href="/wiki/Committee_on_Space_Research" title="Committee on Space Research">Committee on Space Research</a> in the project <a href="/wiki/International_Reference_Ionosphere" title="International Reference Ionosphere">International Reference Ionosphere</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Individual_membership">Individual membership</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=International_Union_of_Radio_Science&action=edit&section=3" title="Edit section: Individual membership"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The URSI includes different individual membership grades: </p> <ul><li>Corresponding member (CURSI)</li> <li>Senior member, awarded to members who have a PhD, 10+ publications, and a history of involvement with the URSI</li> <li>Fellow, by invitation or by winning a URSI senior prize<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=International_Union_of_Radio_Science&action=edit&section=4" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Outline_of_radio_science" title="Outline of radio science">Outline of radio science</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=International_Union_of_Radio_Science&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.ursi.org/files/Publications/RSL%20-%20Flyer.pdf">"URSI Radio Science Letters"</a> <span class="cs1-format">(PDF)</span>. <i>ursi.org</i><span class="reference-accessdate">. Retrieved <span class="nowrap">25 May</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=ursi.org&rft.atitle=URSI+Radio+Science+Letters&rft_id=https%3A%2F%2Fwww.ursi.org%2Ffiles%2FPublications%2FRSL%2520-%2520Flyer.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInternational+Union+of+Radio+Science" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20101024051519/http://ccmc.gsfc.nasa.gov/modelweb/ionos/iri.html">"International Reference Ionosphere"</a>. Archived from <a rel="nofollow" class="external text" href="https://ccmc.gsfc.nasa.gov/modelweb/ionos/iri.html">the original</a> on 24 October 2010<span class="reference-accessdate">. Retrieved <span class="nowrap">20 January</span> 2010</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=International+Reference+Ionosphere&rft_id=http%3A%2F%2Fccmc.gsfc.nasa.gov%2Fmodelweb%2Fionos%2Firi.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInternational+Union+of+Radio+Science" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.ursi.org/membership.php#tab-sectionA2">"URSI Individual Membership"</a>. URSI<span class="reference-accessdate">. Retrieved <span class="nowrap">31 January</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=URSI+Individual+Membership&rft.pub=URSI&rft_id=https%3A%2F%2Fwww.ursi.org%2Fmembership.php%23tab-sectionA2&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInternational+Union+of+Radio+Science" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=International_Union_of_Radio_Science&action=edit&section=6" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="official-website"><span class="url"><a rel="nofollow" class="external text" href="http://www.ursi.org">Official website</a></span></span></li> <li><a rel="nofollow" class="external text" href="http://www.usnc-ursi.org/">United States National Committee of the International Union of Radio Science</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="International_Science_Council_(ISC)" style="padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:International_Science_Council" title="Template:International Science Council"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:International_Science_Council" title="Template talk:International Science Council"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:International_Science_Council" title="Special:EditPage/Template:International Science Council"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="International_Science_Council_(ISC)" style="font-size:114%;margin:0 4em"><a href="/wiki/International_Science_Council" title="International Science Council">International Science Council (ISC)</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">National<br />members</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Academy_of_Sciences_of_Albania" title="Academy of Sciences of Albania">Albania</a></li> <li><a href="/w/index.php?title=Foundation_of_Science_and_Development_(Angola)&action=edit&redlink=1" class="new" title="Foundation of Science and Development (Angola) (page does not exist)">Angola</a></li> <li><a href="/wiki/National_Scientific_and_Technical_Research_Council" title="National Scientific and Technical Research Council">Argentina</a></li> <li><a href="/wiki/Armenian_National_Academy_of_Sciences" title="Armenian National Academy of Sciences">Armenia</a></li> <li><a href="/wiki/Australian_Academy_of_Science" title="Australian Academy of Science">Australia</a></li> <li><a href="/wiki/Austrian_Academy_of_Sciences" title="Austrian Academy of Sciences">Austria</a></li> <li><a href="/wiki/Azerbaijan_National_Academy_of_Sciences" title="Azerbaijan National Academy of Sciences">Azerbaijan</a></li> <li><a href="/wiki/Bangladesh_Academy_of_Sciences" title="Bangladesh Academy of Sciences">Bangladesh</a></li> <li><a href="/wiki/National_Academy_of_Sciences_of_Belarus" title="National Academy of Sciences of Belarus">Belarus</a></li> <li><a href="/wiki/Royal_Academies_for_Science_and_the_Arts_of_Belgium" title="Royal Academies for Science and the Arts of Belgium">Belgium</a></li> <li><a href="/w/index.php?title=National_Academy_of_Sciences,_Arts_and_Letters&action=edit&redlink=1" class="new" title="National Academy of Sciences, Arts and Letters (page does not exist)">Benin</a></li> <li><a href="/w/index.php?title=Academia_Nacional_de_Ciencias_de_Bolivia&action=edit&redlink=1" class="new" title="Academia Nacional de Ciencias de Bolivia (page does not exist)">Bolivia</a></li> <li><a href="/wiki/Academy_of_Sciences_and_Arts_of_Bosnia_and_Herzegovina" title="Academy of Sciences and Arts of Bosnia and Herzegovina">Bosnia & Herzegovina</a> <ul><li><a href="/wiki/Academy_of_Sciences_and_Arts_of_the_Republika_Srpska" title="Academy of Sciences and Arts of the Republika Srpska">Republika Srpska</a></li></ul></li> <li><a href="/w/index.php?title=Ministry_of_Infrastructure_Science_and_Technology_(Botswana)&action=edit&redlink=1" class="new" title="Ministry of Infrastructure Science and Technology (Botswana) (page does not exist)">Botswana</a></li> <li><a href="/wiki/Brazilian_Academy_of_Sciences" title="Brazilian Academy of Sciences">Brazil</a> <ul><li><a href="/w/index.php?title=Association_Nacional_de_Pos-Graduacao_e_Pesquisa_em_Ciencias_Sociais&action=edit&redlink=1" class="new" title="Association Nacional de Pos-Graduacao e Pesquisa em Ciencias Sociais (page does not exist)">ANPOCS</a></li></ul></li> <li><a href="/wiki/Bulgarian_Academy_of_Sciences" title="Bulgarian Academy of Sciences">Bulgaria</a></li> <li><a href="/w/index.php?title=Centre_National_de_la_Recherche_Scientifique_et_Technologique&action=edit&redlink=1" class="new" title="Centre National de la Recherche Scientifique et Technologique (page does not exist)">Burkina Faso</a></li> <li><a href="/wiki/Cameroon_Academy_of_Sciences" title="Cameroon Academy of Sciences">Cameroon</a></li> <li><a href="/wiki/National_Research_Council_(Canada)" class="mw-redirect" title="National Research Council (Canada)">Canada</a> <ul><li><a href="/wiki/Social_Sciences_and_Humanities_Research_Council" title="Social Sciences and Humanities Research Council">SSHRC</a></li></ul></li> <li><a href="/w/index.php?title=Academia_Chilena_de_Ciencias&action=edit&redlink=1" class="new" title="Academia Chilena de Ciencias (page does not exist)">Chile</a></li> <li><a href="/wiki/China_Association_for_Science_and_Technology" title="China Association for Science and Technology">China</a> <ul><li><a href="/wiki/Chinese_Academy_of_Social_Sciences" title="Chinese Academy of Social Sciences">CASS</a></li></ul></li> <li><a href="/w/index.php?title=Academia_Colombiana_de_Ciencias_Exactas,_Fisicas_y_Naturales&action=edit&redlink=1" class="new" title="Academia Colombiana de Ciencias Exactas, Fisicas y Naturales (page does not exist)">Colombia</a></li> <li><a href="/wiki/Academia_Nacional_de_Ciencias_(Costa_Rica)" title="Academia Nacional de Ciencias (Costa Rica)">Costa Rica</a></li> <li><a href="/wiki/Acad%C3%A9mie_des_sciences,_des_arts,_des_cultures_d%27Afrique_et_des_diasporas_africaines" title="Académie des sciences, des arts, des cultures d'Afrique et des diasporas africaines">Côte d'Ivoire</a></li> <li><a href="/wiki/Cuban_Academy_of_Sciences" title="Cuban Academy of Sciences">Cuba</a></li> <li><a href="/wiki/Czech_Academy_of_Sciences" title="Czech Academy of Sciences">Czech Republic</a></li> <li><a href="/wiki/Royal_Danish_Academy_of_Sciences_and_Letters" title="Royal Danish Academy of Sciences and Letters">Denmark</a></li> <li><a href="/w/index.php?title=Academy_of_Sciences_of_the_Dominican_Republic&action=edit&redlink=1" class="new" title="Academy of Sciences of the Dominican Republic (page does not exist)">Dominican Republic</a></li> <li><a href="/w/index.php?title=Academy_of_Scientific_Research_and_Technology&action=edit&redlink=1" class="new" title="Academy of Scientific Research and Technology (page does not exist)">Egypt</a></li> <li><a href="/w/index.php?title=Viceministerio_de_Ciencia_y_Tecnolog%C3%ADa_de_El_Salvador&action=edit&redlink=1" class="new" title="Viceministerio de Ciencia y Tecnología de El Salvador (page does not exist)">El Salvador</a></li> <li><a href="/wiki/Estonian_Academy_of_Sciences" title="Estonian Academy of Sciences">Estonia</a></li> <li><a href="/w/index.php?title=National_Research_Council_(Eswatini)&action=edit&redlink=1" class="new" title="National Research Council (Eswatini) (page does not exist)">Eswatini</a></li> <li><a href="/w/index.php?title=Ethiopian_Science_and_Technology_Agency&action=edit&redlink=1" class="new" title="Ethiopian Science and Technology Agency (page does not exist)">Ethiopia</a></li> <li><a href="/w/index.php?title=Council_of_Finnish_Academies&action=edit&redlink=1" class="new" title="Council of Finnish Academies (page does not exist)">Finland</a></li> <li><a href="/wiki/French_Academy_of_Sciences" title="French Academy of Sciences">France</a></li> <li><a href="/wiki/Georgian_National_Academy_of_Sciences" title="Georgian National Academy of Sciences">Georgia</a></li> <li><a href="/wiki/German_Research_Foundation" title="German Research Foundation">Germany</a></li> <li><a href="/wiki/Ghana_Academy_of_Arts_and_Sciences" title="Ghana Academy of Arts and Sciences">Ghana</a></li> <li><a href="/wiki/Academy_of_Athens_(modern)" title="Academy of Athens (modern)">Greece</a></li> <li><a href="/w/index.php?title=Academia_de_Ciencias_M%C3%A9dicas_Fisicas_y_Naturales_de_Guatemala&action=edit&redlink=1" class="new" title="Academia de Ciencias Médicas Fisicas y Naturales de Guatemala (page does not exist)">Guatemala</a></li> <li><a href="/w/index.php?title=National_Academy_of_Sciences_of_Honduras&action=edit&redlink=1" class="new" title="National Academy of Sciences of Honduras (page does not exist)">Honduras</a></li> <li><a href="/wiki/Hungarian_Academy_of_Sciences" title="Hungarian Academy of Sciences">Hungary</a></li> <li><a href="/wiki/Indian_National_Science_Academy" title="Indian National Science Academy">India</a> <ul><li><a href="/wiki/Indian_Council_of_Social_Science_Research" title="Indian Council of Social Science Research">ICSSR</a></li></ul></li> <li><a href="/wiki/National_Research_and_Innovation_Agency_(Indonesia)" class="mw-redirect" title="National Research and Innovation Agency (Indonesia)">Indonesia</a></li> <li><a href="/wiki/University_of_Tehran" title="University of Tehran">Iran</a></li> <li><a href="/w/index.php?title=Ministry_of_Science_and_Technology_(Iraq)&action=edit&redlink=1" class="new" title="Ministry of Science and Technology (Iraq) (page does not exist)">Iraq</a></li> <li><a href="/wiki/Royal_Irish_Academy" title="Royal Irish Academy">Ireland</a></li> <li><a href="/wiki/Israel_Academy_of_Sciences_and_Humanities" title="Israel Academy of Sciences and Humanities">Israel</a></li> <li><a href="/wiki/National_Research_Council_(Italy)" title="National Research Council (Italy)">Italy</a></li> <li><a href="/w/index.php?title=Scientific_Research_Council&action=edit&redlink=1" class="new" title="Scientific Research Council (page does not exist)">Jamaica</a></li> <li><a href="/wiki/Science_Council_of_Japan" title="Science Council of Japan">Japan</a></li> <li><a href="/wiki/Royal_Scientific_Society" title="Royal Scientific Society">Jordan</a></li> <li><a href="/wiki/Kazakhstan_Academy_of_Sciences" title="Kazakhstan Academy of Sciences">Kazakhstan</a></li> <li><a href="/wiki/Kenya_National_Academy_of_Sciences" title="Kenya National Academy of Sciences">Kenya</a></li> <li><a href="/wiki/Academy_of_Sciences_of_the_Democratic_People%27s_Republic_of_Korea" title="Academy of Sciences of the Democratic People's Republic of Korea">North Korea</a></li> <li><a href="/wiki/National_Academy_of_Sciences_of_the_Republic_of_Korea" title="National Academy of Sciences of the Republic of Korea">South Korea</a> <ul><li><a href="/w/index.php?title=Korean_Social_Science_Research_Council&action=edit&redlink=1" class="new" title="Korean Social Science Research Council (page does not exist)">KSSRC</a></li> <li><a href="/wiki/Korean_Academy_of_Science_and_Technology" title="Korean Academy of Science and Technology">KAST</a></li></ul></li> <li><a href="/w/index.php?title=Lao_National_Science_Council&action=edit&redlink=1" class="new" title="Lao National Science Council (page does not exist)">Laos</a></li> <li><a href="/wiki/Latvian_Academy_of_Sciences" title="Latvian Academy of Sciences">Latvia</a></li> <li><a href="/w/index.php?title=National_Council_for_Scientific_Research&action=edit&redlink=1" class="new" title="National Council for Scientific Research (page does not exist)">Lebanon</a></li> <li><a href="/w/index.php?title=Department_of_Science_and_Technology_(Lesotho)&action=edit&redlink=1" class="new" title="Department of Science and Technology (Lesotho) (page does not exist)">Lesotho</a></li> <li><a href="/wiki/Lithuanian_Academy_of_Sciences" title="Lithuanian Academy of Sciences">Lithuania</a></li> <li><a href="/w/index.php?title=Luxembourg_National_Research_Fund&action=edit&redlink=1" class="new" title="Luxembourg National Research Fund (page does not exist)">Luxembourg</a></li> <li><a href="/w/index.php?title=Minist%C3%A8re_de_l%27Enseignement_Sup%C3%A9rieur_et_de_la_Recherche_Scientifique&action=edit&redlink=1" class="new" title="Ministère de l'Enseignement Supérieur et de la Recherche Scientifique (page does not exist)">Madagascar</a></li> <li><a href="/w/index.php?title=National_Commission_for_Science_and_Technology&action=edit&redlink=1" class="new" title="National Commission for Science and Technology (page does not exist)">Malawi</a></li> <li><a href="/wiki/Academy_of_Sciences_Malaysia" title="Academy of Sciences Malaysia">Malaysia</a></li> <li><a href="/w/index.php?title=Mauritius_Academy_of_Science&action=edit&redlink=1" class="new" title="Mauritius Academy of Science (page does not exist)">Mauritius</a></li> <li><a href="/wiki/Mexican_Academy_of_Sciences" title="Mexican Academy of Sciences">Mexico</a> <ul><li><a href="/w/index.php?title=Consejo_Mexicano_de_Ciencias_Sociales&action=edit&redlink=1" class="new" title="Consejo Mexicano de Ciencias Sociales (page does not exist)">COMECSO</a></li></ul></li> <li><a href="/wiki/Academy_of_Sciences_of_Moldova" title="Academy of Sciences of Moldova">Moldova</a></li> <li><a href="/w/index.php?title=Centre_Scientifique_de_Monaco&action=edit&redlink=1" class="new" title="Centre Scientifique de Monaco (page does not exist)">Monaco</a></li> <li><a href="/wiki/Mongolian_Academy_of_Sciences" title="Mongolian Academy of Sciences">Mongolia</a></li> <li><a href="/wiki/Montenegrin_Academy_of_Sciences_and_Arts" title="Montenegrin Academy of Sciences and Arts">Montenegro</a></li> <li><a href="/w/index.php?title=Hassan_II_Academy_for_Science_and_Technology&action=edit&redlink=1" class="new" title="Hassan II Academy for Science and Technology (page does not exist)">Morocco</a></li> <li><a href="/w/index.php?title=Scientific_Research_Association_of_Mozambique&action=edit&redlink=1" class="new" title="Scientific Research Association of Mozambique (page does not exist)">Mozambique</a></li> <li><a href="/w/index.php?title=National_Commission_on_Research,_Science_and_Technology&action=edit&redlink=1" class="new" title="National Commission on Research, Science and Technology (page does not exist)">Namibia</a></li> <li><a href="/wiki/Nepal_Academy_of_Science_and_Technology" title="Nepal Academy of Science and Technology">Nepal</a></li> <li><a href="/wiki/Royal_Netherlands_Academy_of_Arts_and_Sciences" title="Royal Netherlands Academy of Arts and Sciences">Netherlands</a></li> <li><a href="/wiki/Royal_Society_Te_Ap%C4%81rangi" title="Royal Society Te Apārangi">New Zealand</a></li> <li><a href="/wiki/Nigerian_Academy_of_Science" title="Nigerian Academy of Science">Nigeria</a></li> <li><a href="/wiki/Macedonian_Academy_of_Sciences_and_Arts" title="Macedonian Academy of Sciences and Arts">North Macedonia</a></li> <li><a href="/wiki/Norwegian_Academy_of_Science_and_Letters" title="Norwegian Academy of Science and Letters">Norway</a> <ul><li><a href="/wiki/University_of_Bergen" title="University of Bergen">UB</a></li></ul></li> <li><a href="/w/index.php?title=Research_Council_of_Oman&action=edit&redlink=1" class="new" title="Research Council of Oman (page does not exist)">Oman</a></li> <li><a href="/wiki/Pakistan_Association_for_the_Advancement_of_Science" title="Pakistan Association for the Advancement of Science">Pakistan</a></li> <li><a href="/wiki/University_of_Panama" title="University of Panama">Panama</a></li> <li><a href="/w/index.php?title=Academia_Nacional_de_Ciencias_(Peru)&action=edit&redlink=1" class="new" title="Academia Nacional de Ciencias (Peru) (page does not exist)">Peru</a></li> <li><a href="/w/index.php?title=National_Research_Council_(Philippines)&action=edit&redlink=1" class="new" title="National Research Council (Philippines) (page does not exist)">Philippines</a> <ul><li><a href="/w/index.php?title=Philippine_Social_Science_Council&action=edit&redlink=1" class="new" title="Philippine Social Science Council (page does not exist)">PSSC</a></li></ul></li> <li><a href="/wiki/Polish_Academy_of_Sciences" title="Polish Academy of Sciences">Poland</a></li> <li><a href="/wiki/Lisbon_Academy_of_Sciences" title="Lisbon Academy of Sciences">Portugal</a></li> <li><a href="/wiki/Romanian_Academy" title="Romanian Academy">Romania</a></li> <li><a href="/wiki/Russian_Academy_of_Sciences" title="Russian Academy of Sciences">Russia</a></li> <li><a href="/wiki/College_of_Science_and_Technology_(Rwanda)" title="College of Science and Technology (Rwanda)">Rwanda</a></li> <li><a href="/wiki/King_Abdulaziz_City_for_Science_and_Technology" title="King Abdulaziz City for Science and Technology">Saudi Arabia</a></li> <li><a href="/w/index.php?title=Senegal_Academy_of_Science_and_Technology&action=edit&redlink=1" class="new" title="Senegal Academy of Science and Technology (page does not exist)">Senegal</a></li> <li><a href="/wiki/Serbian_Academy_of_Sciences_and_Arts" title="Serbian Academy of Sciences and Arts">Serbia</a></li> <li><a href="/w/index.php?title=Seychelles_National_Parks_Authority&action=edit&redlink=1" class="new" title="Seychelles National Parks Authority (page does not exist)">Seychelles</a></li> <li><a href="/wiki/Singapore_National_Academy_of_Science" title="Singapore National Academy of Science">Singapore</a></li> <li><a href="/wiki/Slovak_Academy_of_Sciences" title="Slovak Academy of Sciences">Slovak Republic</a></li> <li><a href="/wiki/Slovenian_Academy_of_Sciences_and_Arts" title="Slovenian Academy of Sciences and Arts">Slovenia</a></li> <li><a href="/wiki/National_Research_Foundation_(South_Africa)" title="National Research Foundation (South Africa)">South Africa</a> <ul><li><a href="/w/index.php?title=Human_Sciences_Research_Council_of_South_Africa&action=edit&redlink=1" class="new" title="Human Sciences Research Council of South Africa (page does not exist)">HSRC</a></li></ul></li> <li><a href="/wiki/Ministry_of_Science_(Spain)" title="Ministry of Science (Spain)">Spain</a></li> <li><a href="/wiki/National_Science_Foundation_of_Sri_Lanka" title="National Science Foundation of Sri Lanka">Sri Lanka</a></li> <li><a href="/wiki/National_Centre_for_Research_(Sudan)" title="National Centre for Research (Sudan)">Sudan</a> <ul><li><a href="/wiki/Sudanese_National_Academy_of_Sciences" title="Sudanese National Academy of Sciences">SNAS</a></li></ul></li> <li><a href="/wiki/Royal_Swedish_Academy_of_Sciences" title="Royal Swedish Academy of Sciences">Sweden</a></li> <li><a href="/w/index.php?title=Swiss_Academy_of_Humanities_and_Social_Sciences&action=edit&redlink=1" class="new" title="Swiss Academy of Humanities and Social Sciences (page does not exist)">Switzerland</a></li> <li><a href="/wiki/Swiss_Academies_of_Arts_and_Sciences" title="Swiss Academies of Arts and Sciences">Switzerland</a></li> <li><a href="/wiki/Academia_Sinica" title="Academia Sinica">Taiwan</a></li> <li><a href="/wiki/Tajik_Academy_of_Sciences" title="Tajik Academy of Sciences">Tajikistan</a></li> <li><a href="/wiki/Tanzania_Commission_for_Science_and_Technology" title="Tanzania Commission for Science and Technology">Tanzania</a></li> <li><a href="/w/index.php?title=National_Research_Council_of_Thailand&action=edit&redlink=1" class="new" title="National Research Council of Thailand (page does not exist)">Thailand</a></li> <li><a href="/w/index.php?title=Chancellerie_des_Universit%C3%A9s_du_Togo&action=edit&redlink=1" class="new" title="Chancellerie des Universités du Togo (page does not exist)">Togo</a></li> <li><a href="/wiki/Tunis_El_Manar_University" title="Tunis El Manar University">Tunisia</a></li> <li><a href="/wiki/Turkish_Academy_of_Sciences" title="Turkish Academy of Sciences">Turkey</a> <ul><li><a href="/wiki/The_Science_Academy_Society_of_Turkey" title="The Science Academy Society of Turkey">Science Academy</a></li> <li><a href="/wiki/Scientific_and_Technological_Research_Council_of_Turkey" title="Scientific and Technological Research Council of Turkey">TÜBİTAK</a></li></ul></li> <li><a href="/w/index.php?title=Uganda_National_Council_for_Science_and_Technology&action=edit&redlink=1" class="new" title="Uganda National Council for Science and Technology (page does not exist)">Uganda</a></li> <li><a href="/wiki/National_Academy_of_Sciences_of_Ukraine" title="National Academy of Sciences of Ukraine">Ukraine</a></li> <li><a href="/wiki/Royal_Society" title="Royal Society">United Kingdom</a> <ul><li><a href="/wiki/British_Academy" title="British Academy">British Academy</a></li> <li><a href="/wiki/Economic_and_Social_Research_Council" title="Economic and Social Research Council">ESRC</a></li></ul></li> <li><a href="/wiki/National_Academy_of_Sciences" title="National Academy of Sciences">United States</a></li> <li><a href="/w/index.php?title=Comisi%C3%B3n_Consejo_Nacional_de_Innovacion_Ciencia_y_Tecnologia&action=edit&redlink=1" class="new" title="Comisión Consejo Nacional de Innovacion Ciencia y Tecnologia (page does not exist)">Uruguay</a></li> <li><a href="/w/index.php?title=Uzbekistan_Academy_of_Sciences&action=edit&redlink=1" class="new" title="Uzbekistan Academy of Sciences (page does not exist)">Uzbekistan</a></li> <li><a href="/wiki/Pontifical_Academy_of_Sciences" title="Pontifical Academy of Sciences">Vatican City</a></li> <li><a href="/w/index.php?title=Fondo_Nacional_de_Ciencia,_Tecnolog%C3%ADa_e_Innovaci%C3%B3n&action=edit&redlink=1" class="new" title="Fondo Nacional de Ciencia, Tecnología e Innovación (page does not exist)">Venezuela</a></li> <li><a href="/wiki/Vietnam_Union_of_Science_and_Technology_Associations" title="Vietnam Union of Science and Technology Associations">Vietnam</a></li> <li><a href="/wiki/Zambia_Academy_of_Sciences" title="Zambia Academy of Sciences">Zambia</a></li> <li><a href="/wiki/Zimbabwe_Academy_of_Sciences" title="Zimbabwe Academy of Sciences">Zimbabwe</a> <ul><li><a href="/w/index.php?title=Research_Council_of_Zimbabwe&action=edit&redlink=1" class="new" title="Research Council of Zimbabwe (page does not exist)">RCZ</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Transnational<br />members</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Arab_Council_for_the_Social_Sciences&action=edit&redlink=1" class="new" title="Arab Council for the Social Sciences (page does not exist)">ACSS</a></li> <li><a href="/w/index.php?title=Association_of_Asian_Social_Science_Research_Councils&action=edit&redlink=1" class="new" title="Association of Asian Social Science Research Councils (page does not exist)">AASSREC</a></li> <li><a href="/w/index.php?title=Caribbean_Academy_of_Sciences&action=edit&redlink=1" class="new" title="Caribbean Academy of Sciences (page does not exist)">CASS</a></li> <li><a href="/wiki/Consejo_Latinoamericano_de_Ciencias_Sociales" class="mw-redirect" title="Consejo Latinoamericano de Ciencias Sociales">CLACSO</a></li> <li><a href="/wiki/Council_for_the_Development_of_Social_Science_Research_in_Africa" title="Council for the Development of Social Science Research in Africa">CODESRIA</a></li> <li><a href="/wiki/Latin_American_Faculty_of_Social_Sciences" title="Latin American Faculty of Social Sciences">FLACSO</a></li> <li><a href="/wiki/Union_Acad%C3%A9mique_Internationale" title="Union Académique Internationale">UAI</a></li> <li><a href="/w/index.php?title=Organization_for_Social_Science_Research_in_Eastern_and_Southern_Africa&action=edit&redlink=1" class="new" title="Organization for Social Science Research in Eastern and Southern Africa (page does not exist)">OSSREA</a></li> <li><a href="/wiki/University_of_the_South_Pacific" title="University of the South Pacific">USP</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Unions and<br />associations</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Society_for_Social_Studies_of_Science" title="Society for Social Studies of Science">4S</a></li> <li><a href="/w/index.php?title=International_Association_of_Legal_Science&action=edit&redlink=1" class="new" title="International Association of Legal Science (page does not exist)">IALS</a></li> <li><a href="/w/index.php?title=International_Arctic_Social_Sciences_Association&action=edit&redlink=1" class="new" title="International Arctic Social Sciences Association (page does not exist)">IASSA</a></li> <li><a href="/wiki/International_Astronomical_Union" title="International Astronomical Union">IAU</a></li> <li><a href="/wiki/International_Cartographic_Association" title="International Cartographic Association">ICA</a></li> <li><a href="/wiki/International_Economic_Association" title="International Economic Association">IEA</a></li> <li><a href="/wiki/International_Federation_of_Societies_for_Microscopy" title="International Federation of Societies for Microscopy">IFSM</a></li> <li><a href="/wiki/International_Geographical_Union" title="International Geographical Union">IGU</a></li> <li><a href="/wiki/International_Mathematical_Union" title="International Mathematical Union">IMU</a></li> <li><a href="/wiki/International_Union_for_Quaternary_Research" title="International Union for Quaternary Research">INQUA</a></li> <li><a href="/wiki/International_Peace_Research_Association" title="International Peace Research Association">IPRA</a></li> <li><a href="/wiki/International_Political_Science_Association" title="International Political Science Association">IPSA</a></li> <li><a href="/wiki/International_Sociological_Association" title="International Sociological Association">ISA</a></li> <li><a href="/wiki/International_Society_for_Ecological_Economics" title="International Society for Ecological Economics">ISEE</a></li> <li><a href="/wiki/International_Society_for_Photogrammetry_and_Remote_Sensing" title="International Society for Photogrammetry and Remote Sensing">ISPRS</a></li> <li><a href="/wiki/International_Union_of_Biochemistry_and_Molecular_Biology" title="International Union of Biochemistry and Molecular Biology">IUBMB</a></li> <li><a href="/wiki/International_Union_of_Biological_Sciences" title="International Union of Biological Sciences">IUBS</a></li> <li><a href="/wiki/International_Union_of_Crystallography" title="International Union of Crystallography">IUCr</a></li> <li><a href="/wiki/International_Union_of_Food_Science_and_Technology" title="International Union of Food Science and Technology">IUFoST</a></li> <li><a href="/wiki/International_Union_of_Forest_Research_Organizations" title="International Union of Forest Research Organizations">IUFRO</a></li> <li><a href="/wiki/International_Union_of_Geodesy_and_Geophysics" title="International Union of Geodesy and Geophysics">IUGG</a></li> <li><a href="/wiki/International_Union_of_Geological_Sciences" title="International Union of Geological Sciences">IUGS</a></li> <li><a href="/wiki/International_Union_of_History_and_Philosophy_of_Science" title="International Union of History and Philosophy of Science">IUHPST</a></li> <li><a href="/wiki/International_Union_of_Immunological_Societies" title="International Union of Immunological Societies">IUIS</a></li> <li><a href="/w/index.php?title=International_Union_of_Materials_Research_Society&action=edit&redlink=1" class="new" title="International Union of Materials Research Society (page does not exist)">IUMRS</a></li> <li><a href="/wiki/International_Union_of_Microbiological_Societies" title="International Union of Microbiological Societies">IUMS</a></li> <li><a href="/wiki/International_Union_of_Nutritional_Sciences" title="International Union of Nutritional Sciences">IUNS</a></li> <li><a href="/wiki/International_Union_for_Pure_and_Applied_Biophysics" title="International Union for Pure and Applied Biophysics">IUPAB</a></li> <li><a href="/wiki/International_Union_of_Pure_and_Applied_Chemistry" title="International Union of Pure and Applied Chemistry">IUPAC</a></li> <li><a href="/wiki/International_Union_of_Pure_and_Applied_Physics" title="International Union of Pure and Applied Physics">IUPAP</a></li> <li><a href="/wiki/International_Union_for_Physical_and_Engineering_Sciences_in_Medicine" title="International Union for Physical and Engineering Sciences in Medicine">IUPESM</a></li> <li><a href="/wiki/International_Union_of_Basic_and_Clinical_Pharmacology" title="International Union of Basic and Clinical Pharmacology">IUPHAR</a></li> <li><a href="/wiki/International_Union_of_Physiological_Sciences" title="International Union of Physiological Sciences">IUPS</a></li> <li><a href="/wiki/International_Union_of_Psychological_Science" title="International Union of Psychological Science">IUPsyS</a></li> <li><a href="/wiki/International_Union_of_Soil_Sciences" title="International Union of Soil Sciences">IUSS</a></li> <li><a href="/wiki/International_Union_for_the_Scientific_Study_of_Population" title="International Union for the Scientific Study of Population">IUSSP</a></li> <li><a href="/wiki/International_Union_of_Theoretical_and_Applied_Mechanics" title="International Union of Theoretical and Applied Mechanics">IUTAM</a></li> <li><a href="/w/index.php?title=International_Union_of_Toxicology&action=edit&redlink=1" class="new" title="International Union of Toxicology (page does not exist)">IUTOX</a></li> <li><a class="mw-selflink selflink">URSI</a></li> <li><a href="/wiki/World_Association_for_Public_Opinion_Research" title="World Association for Public Opinion Research">WAPOR</a></li> <li><a href="/w/index.php?title=World_Anthropological_Union&action=edit&redlink=1" class="new" title="World Anthropological Union (page does not exist)">WAU</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Affiliated<br />members</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/African_Academy_of_Sciences" title="African Academy of Sciences">AAS</a></li> <li><a href="/w/index.php?title=Association_of_Academies_and_Societies_of_Sciences_in_Asia&action=edit&redlink=1" class="new" title="Association of Academies and Societies of Sciences in Asia (page does not exist)">AASSA</a></li> <li><a href="/wiki/Academy_of_Social_Sciences" title="Academy of Social Sciences">ACSS</a></li> <li><a href="/wiki/Association_of_Science-Technology_Centers" class="mw-redirect" title="Association of Science-Technology Centers">ASTC</a></li> <li><a href="/wiki/International_Commission_on_Illumination" title="International Commission on Illumination">CIE</a></li> <li><a href="/w/index.php?title=European_Association_of_Development_and_Training_Institutes&action=edit&redlink=1" class="new" title="European Association of Development and Training Institutes (page does not exist)">EADI</a></li> <li><a href="/wiki/European_Consortium_for_Political_Research" title="European Consortium for Political Research">ECPR</a></li> <li><a href="/wiki/F%C3%A9d%C3%A9ration_Internationale_des_G%C3%A9om%C3%A8tres" class="mw-redirect" title="Fédération Internationale des Géomètres">FIG</a></li> <li><a href="/wiki/Global_Young_Academy" title="Global Young Academy">GYA</a></li> <li><a href="/wiki/International_Association_of_Applied_Psychology" title="International Association of Applied Psychology">IAAP</a></li> <li><a href="/wiki/International_Association_for_Hydro-Environment_Engineering_and_Research" title="International Association for Hydro-Environment Engineering and Research">IAHR</a></li> <li><a href="/wiki/International_Arctic_Science_Committee" title="International Arctic Science Committee">IASC</a></li> <li><a href="/wiki/International_Commission_for_Acoustics" title="International Commission for Acoustics">ICA</a></li> <li><a href="/wiki/International_Council_for_Industrial_and_Applied_Mathematics" title="International Council for Industrial and Applied Mathematics">ICIAM</a></li> <li><a href="/w/index.php?title=International_Council_for_Laboratory_Animal_Science&action=edit&redlink=1" class="new" title="International Council for Laboratory Animal Science (page does not exist)">ICLAS</a></li> <li><a href="/wiki/International_Commission_for_Optics" title="International Commission for Optics">ICO</a></li> <li><a href="/wiki/International_Council_for_Scientific_and_Technical_Information" title="International Council for Scientific and Technical Information">ICSTI</a></li> <li><a href="/w/index.php?title=International_Federation_of_Data_Organizations_for_Social_Science&action=edit&redlink=1" class="new" title="International Federation of Data Organizations for Social Science (page does not exist)">IFDO</a></li> <li><a href="/wiki/International_Federation_for_Information_Processing" title="International Federation for Information Processing">IFIP</a></li> <li><a href="/wiki/International_Federation_of_Library_Associations_and_Institutions" title="International Federation of Library Associations and Institutions">IFLA</a></li> <li><a href="/wiki/International_Foundation_for_Science" class="mw-redirect" title="International Foundation for Science">IFS</a></li> <li><a href="/wiki/International_Institute_for_Applied_Systems_Analysis" title="International Institute for Applied Systems Analysis">IIASA</a></li> <li><a href="/wiki/International_Studies_Association" title="International Studies Association">ISA</a></li> <li><a href="/wiki/International_Society_for_Digital_Earth" title="International Society for Digital Earth">ISDE</a></li> <li><a href="/wiki/International_Union_for_Vacuum_Science,_Technique_and_Applications" title="International Union for Vacuum Science, Technique and Applications">IUVSTA</a></li> <li><a href="/wiki/International_Water_Association" title="International Water Association">IWA</a></li> <li><a href="/wiki/Pacific_Science_Association" title="Pacific Science Association">PSA</a></li> <li><a href="/wiki/Social_Science_Research_Council" title="Social Science Research Council">SSRC</a></li> <li><a href="/wiki/Transnational_Institute" title="Transnational Institute">TNI</a></li> <li><a href="/wiki/The_World_Academy_of_Sciences" title="The World Academy of Sciences">TWAS</a></li> <li><a href="/wiki/International_Union_of_Speleology" title="International Union of Speleology">UIS</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox authority-control" aria-labelledby="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q241824#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q241824#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata" style="font-size:114%;margin:0 4em"><a href="/wiki/Help:Authority_control" title="Help:Authority control">Authority control databases</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q241824#identifiers" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">International</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://isni.org/isni/0000000120975807">ISNI</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://viaf.org/viaf/140152516">VIAF</a></span><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://viaf.org/viaf/152283551">2</a></span></li></ul></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">National</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/5097-0">Germany</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/n79099059">United States</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://catalogue.bnf.fr/ark:/12148/cb123152169">France</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://data.bnf.fr/ark:/12148/cb123152169">BnF data</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://nla.gov.au/anbd.aut-an35235342">Australia</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="http://catalogo.bne.es/uhtbin/authoritybrowse.cgi?action=display&authority_id=XX88222">Spain</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://authority.bibsys.no/authority/rest/authorities/html/90123523">Norway</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://dbn.bn.org.pl/descriptor-details/9810616021105606">Poland</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="http://olduli.nli.org.il/F/?func=find-b&local_base=NLX10&find_code=UID&request=987007460516205171">Israel</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://cantic.bnc.cat/registre/981058594883306706">Catalonia</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Academics</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://ci.nii.ac.jp/author/DA01938804?l=en">CiNii</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.idref.fr/032047886">IdRef</a></span></li></ul></div></td></tr></tbody></table></div> <style data-mw-deduplicate="TemplateStyles:r1012311289">.mw-parser-output .asbox{position:relative;overflow:hidden}.mw-parser-output .asbox table{background:transparent}.mw-parser-output .asbox p{margin:0}.mw-parser-output .asbox p+p{margin-top:0.25em}.mw-parser-output .asbox-body{font-style:italic}.mw-parser-output .asbox-note{font-size:smaller}.mw-parser-output .asbox .navbar{position:absolute;top:-0.75em;right:1em;display:none}</style><div role="note" class="metadata plainlinks asbox stub"><table role="presentation"><tbody><tr class="noresize"><td><span typeof="mw:File"><a href="/wiki/File:Handshake_(Workshop_Cologne_%2706).jpeg" class="mw-file-description"><img alt="Stub icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Handshake_%28Workshop_Cologne_%2706%29.jpeg/30px-Handshake_%28Workshop_Cologne_%2706%29.jpeg" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Handshake_%28Workshop_Cologne_%2706%29.jpeg/45px-Handshake_%28Workshop_Cologne_%2706%29.jpeg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Handshake_%28Workshop_Cologne_%2706%29.jpeg/60px-Handshake_%28Workshop_Cologne_%2706%29.jpeg 2x" data-file-width="690" data-file-height="688" /></a></span></td><td><p class="asbox-body">This article about a scientific organization is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. You can help Wikipedia by <a class="external text" href="https://en.wikipedia.org/w/index.php?title=International_Union_of_Radio_Science&action=edit">expanding it</a>.</p></td></tr></tbody></table><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Sci-org-stub" title="Template:Sci-org-stub"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Sci-org-stub" title="Template talk:Sci-org-stub"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Sci-org-stub" title="Special:EditPage/Template:Sci-org-stub"><abbr title="Edit this template">e</abbr></a></li></ul></div></div> <!-- NewPP limit report Parsed by mw‐web.codfw.canary‐556c5f94cd‐dchjv Cached time: 20241130130206 Cache expiry: 39481 Reduced expiry: true Complications: [vary‐revision‐sha1, show‐toc] CPU time usage: 0.564 seconds Real time usage: 0.771 seconds Preprocessor visited node count: 1738/1000000 Post‐expand include size: 77364/2097152 bytes Template argument size: 1719/2097152 bytes Highest expansion depth: 16/100 Expensive parser function count: 3/500 Unstrip recursion depth: 1/20 Unstrip post‐expand size: 29622/5000000 bytes Lua time usage: 0.386/10.000 seconds Lua memory usage: 19672807/52428800 bytes Number of Wikibase entities loaded: 1/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 681.211 1 -total 24.45% 166.543 1 Template:Infobox_organization 23.14% 157.644 1 Template:Infobox 21.79% 148.445 2 Template:Langx 14.06% 95.798 3 Template:Cite_web 12.62% 85.984 1 Template:Official_URL 12.52% 85.264 1 Template:International_Science_Council 12.20% 83.088 1 Template:Navbox 11.06% 75.337 1 Template:More_citations_needed 10.57% 72.009 1 Template:Ambox --> <!-- Saved in parser cache with key enwiki:pcache:idhash:495454-0!canonical and timestamp 20241130130206 and revision id 1252700664. Rendering was triggered because: page-view --> </div><!--esi <esi:include src="/esitest-fa8a495983347898/content" /> --><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=International_Union_of_Radio_Science&oldid=1252700664">https://en.wikipedia.org/w/index.php?title=International_Union_of_Radio_Science&oldid=1252700664</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Ghent_University" title="Category:Ghent University">Ghent University</a></li><li><a href="/wiki/Category:Members_of_the_International_Council_for_Science" title="Category:Members of the International Council for Science">Members of the International Council for Science</a></li><li><a href="/wiki/Category:Organisations_based_in_East_Flanders" title="Category:Organisations based in East Flanders">Organisations based in East Flanders</a></li><li><a href="/wiki/Category:Radio_organizations" title="Category:Radio organizations">Radio organizations</a></li><li><a href="/wiki/Category:Scientific_organisations_based_in_Belgium" title="Category:Scientific organisations based in Belgium">Scientific organisations based in Belgium</a></li><li><a href="/wiki/Category:Scientific_organizations_established_in_1919" title="Category:Scientific organizations established in 1919">Scientific organizations established in 1919</a></li><li><a href="/wiki/Category:Members_of_the_International_Science_Council" title="Category:Members of the International Science Council">Members of the International Science Council</a></li><li><a href="/wiki/Category:Scientific_organization_stubs" title="Category:Scientific organization stubs">Scientific organization stubs</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Use_dmy_dates_from_November_2015" title="Category:Use dmy dates from November 2015">Use dmy dates from November 2015</a></li><li><a href="/wiki/Category:Articles_needing_additional_references_from_February_2013" title="Category:Articles needing additional references from February 2013">Articles needing additional references from February 2013</a></li><li><a href="/wiki/Category:All_articles_needing_additional_references" title="Category:All articles needing additional references">All articles needing additional references</a></li><li><a href="/wiki/Category:Articles_containing_French-language_text" title="Category:Articles containing French-language text">Articles containing French-language text</a></li><li><a href="/wiki/Category:All_stub_articles" title="Category:All stub articles">All stub articles</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 22 October 2024, at 15:41<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. By using this site, you agree to the <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use" class="extiw" title="foundation:Special:MyLanguage/Policy:Terms of Use">Terms of Use</a> and <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy" class="extiw" title="foundation:Special:MyLanguage/Policy:Privacy policy">Privacy Policy</a>. Wikipedia® is a registered trademark of the <a rel="nofollow" class="external text" href="https://wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>, a non-profit organization.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Privacy policy</a></li> <li id="footer-places-about"><a href="/wiki/Wikipedia:About">About Wikipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikipedia:General_disclaimer">Disclaimers</a></li> <li id="footer-places-contact"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us">Contact Wikipedia</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code of Conduct</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Developers</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/en.wikipedia.org">Statistics</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Cookie statement</a></li> <li id="footer-places-mobileview"><a href="//en.m.wikipedia.org/w/index.php?title=International_Union_of_Radio_Science&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Mobile view</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-5c59558b9d-tpmks","wgBackendResponseTime":153,"wgPageParseReport":{"limitreport":{"cputime":"0.564","walltime":"0.771","ppvisitednodes":{"value":1738,"limit":1000000},"postexpandincludesize":{"value":77364,"limit":2097152},"templateargumentsize":{"value":1719,"limit":2097152},"expansiondepth":{"value":16,"limit":100},"expensivefunctioncount":{"value":3,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":29622,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 681.211 1 -total"," 24.45% 166.543 1 Template:Infobox_organization"," 23.14% 157.644 1 Template:Infobox"," 21.79% 148.445 2 Template:Langx"," 14.06% 95.798 3 Template:Cite_web"," 12.62% 85.984 1 Template:Official_URL"," 12.52% 85.264 1 Template:International_Science_Council"," 12.20% 83.088 1 Template:Navbox"," 11.06% 75.337 1 Template:More_citations_needed"," 10.57% 72.009 1 Template:Ambox"]},"scribunto":{"limitreport-timeusage":{"value":"0.386","limit":"10.000"},"limitreport-memusage":{"value":19672807,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.canary-556c5f94cd-dchjv","timestamp":"20241130130206","ttl":39481,"transientcontent":true}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"International Union of Radio Science","url":"https:\/\/en.wikipedia.org\/wiki\/International_Union_of_Radio_Science","sameAs":"http:\/\/www.wikidata.org\/entity\/Q241824","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q241824","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2004-02-29T19:00:58Z","dateModified":"2024-10-22T15:41:10Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/d\/d7\/URSI_logo.png","headline":"organization"}</script> </body> </html>