CINXE.COM

<!DOCTYPE html> <html> <head> <title>LCWO.net - Learn CW Online</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="description" lang="en" content="Learn CW Online - At LCWO you can learn Morse Code (CW) online, in your web browser!"> <meta name="description" lang="bs" content="Na LCWO.net mozete nauciti telegrafiju u Vasem browser-u. Instaliranje dodatnih programa nije potrebno. Opcije za svakog korisnika se zapisiju na centralnom mjestu, tako da je sasvim svejedno sa kojim kompjuterom se prijavljujete na LCWO.net. Razlicite statistike Vam omogucavaju dobar pregled uspjeha Vaseg treninga."> <meta name="keywords" content="learn cw, cw, morse code practice, telegraphy, learn morse code, morse code, koch method, morsen lernen, impare il cw, high speed cw, hst, qrq, ham radio, dj1yfk, rufzxp, fabian kurz"> <meta name="author" content="Fabian Kurz"> <meta property="og:title" content="Learn CW Online" /> <meta property="og:type" content="website" /> <meta property="og:url" content="https://lcwo.net/" /> <meta property="og:image" content="https://lcwo.net/pics/lcwo.png" /> <meta property="og:description" content="Learn CW Online - a free web app for learning Morse code!" /> <link rel="icon" href="/favicon.ico"> <link rel="shortcut icon" href="/favicon.ico"> <link href="/atom.xml" type="application/atom+xml" rel="alternate" title="LCWO News Feed"> <link href="/forumatom.xml" type="application/atom+xml" rel="alternate" title="LCWO Forum Feed"> <link id="lcwocss" href="/style.css" rel="stylesheet" type="text/css"> <link rel="stylesheet" href="/js/leaflet.css"> <script type="text/javascript" src="/js/jscwlib.js?cachebreak=1711272842"></script>  <script src="/js/d3.js"></script> <script src="/js/cal-heatmap.js"></script> <link rel="stylesheet" href="/cal-heatmap.css"> <script src="/js/popperjs-core.js"></script> <script src="/js/cal-heatmap-Tooltip.js"></script> </head> <body bgcolor="#ffffff"> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tbody> <tr class="headerline"> <td style="background-image:url(/pics/lcwo-bg2.png);" width="41%"> <a href="/"><img style="border-style:none;" src="/pics/lcwo.png" height="75" width="214" title="LCWO - Home" alt="[LCWO LOGO]"></a> </td> <td style="background-image:url(/pics/lcwo-bg2.png);" width="59%">   </td> </tr> </tbody></table> <script> function agree_policy () { var i = document.getElementById("consent"); i.innerHTML = "Thanks!"; var request = new XMLHttpRequest(); request.open("GET", "//lcwo.net/api/consent.php", true); request.send(); } </script> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tbody> <tr> <td class="menuText" width="100%"> <img style="vertical-align:middle" src="/pics/menusep2.png" height="19" width="16" alt=":"> <a class="mLink" href="/">Home</a> <img style="vertical-align:middle" src="/pics/menusep2.png" height="19" width="15" alt=":"> <a class="mLink" href="/users">Lista korisnika</a> <img style="vertical-align:middle" src="/pics/menusep2.png" height="19" width="15" alt=":"> <a class="mLink" href="/highscores">Lista najboljih rezultata</a> <img style="vertical-align:middle" src="/pics/menusep2.png" height="19" width="15" alt=":"> <a class="mLink" href="/forum">Forum </a> <img style="vertical-align:middle" src="/pics/menusep2.png" height="19" width="15" alt=":"> <a class="mLink" href="/usergroups">User groups</a> <img style="vertical-align:middle" src="/pics/menusep2.png" height="19" width="15" alt=":"> <a class="mLink" href="/about">About</a> <img style="vertical-align:middle" src="/pics/menusep2.png" height="19" width="15" alt=":"> </td> </tr> </tbody></table> <br> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td width="220" valign="top"> <script> function getCookieVal (offset) { var endstr = document.cookie.indexOf (";", offset); if (endstr == -1) { endstr = document.cookie.length; } return unescape(document.cookie.substring(offset, endstr)); } function getCookie (name) { var arg = name + "="; var alen = arg.length; var clen = document.cookie.length; var i = 0; while (i < clen) { var j = i + alen; if (document.cookie.substring(i, j) == arg) { return getCookieVal (j); } i = document.cookie.indexOf(" ", i) + 1; if (i == 0) break; } return null; } if (getCookie('lcwo_username') && getCookie('lcwo_hash')) { console.log("found cookies, attempting to log in!"); var u = getCookie('lcwo_username'); var h = getCookie('lcwo_hash'); var request = new XMLHttpRequest(); request.open("POST", '/dologin', true); request.setRequestHeader('Content-type', 'application/x-www-form-urlencoded'); request.onreadystatechange = function() { var done = 4, ok = 200; if (request.readyState == done && request.status == ok) { if (request.responseText) { if (request.responseText.indexOf("LOGIN_SUCCESS") != -1) { // login succeeded... forwarding window.setTimeout( function () { window.location.href = 'https://lcwo.net'; }, 1000); } } } } request.send("username="+u); } </script> <table width="90%"> <tr><th class="tborder">Login</th></tr> <tr><td class="tborder"> <br> <div align="center"> <form action="/dologin" method="POST"> <table> <tr> <td>Korisnik: </td> <td> <input type="text" size="8" name="username"> </td> </tr> <tr> <td>Lozinka: </td> <td> <input type="password" size="8" name="password"> </td> </tr> </table> <input type="submit" value="Login"> </form> </div> </td></tr> <tr> <td class="tborder"> <br> <div align="center"> <a href="/lostpassword">Zaboravili ste lozinku?</a> - <strong><a href="/signup">Registracija</a></strong> </div> <br> </td> </tr> </table> <table width="90%"> <tr><th class="tborder">Language</th></tr> <tr> <td class="tborder"> <table width="100%"> <tr><td><a href="/bg/impressum" title="Bulgarian"> Български </a></td><td><a href="/br/impressum" title="Brazilian Portuguese"> Português brasileiro </a></td></tr><tr><td><a href="/bs/impressum" title="Bosnian"><strong> Bosanski </strong></a></td><td><a href="/ca/impressum" title="Catalan"> Català </a></td></tr><tr><td><a href="/cn/impressum" title="Traditional Chinese"> 繁體中文 </a></td><td><a href="/cs/impressum" title="Czech"> Česky </a></td></tr><tr><td><a href="/da/impressum" title="Danish"> Dansk </a></td><td><a href="/de/impressum" title="German"> Deutsch </a></td></tr><tr><td><a href="/en/impressum" title="English"> English </a></td><td><a href="/es/impressum" title="Spanish"> Español </a></td></tr><tr><td><a href="/fi/impressum" title="Finnish"> Suomi </a></td><td><a href="/fr/impressum" title="French"> Français </a></td></tr><tr><td><a href="/gr/impressum" title="Greek"> Ελληνικά </a></td><td><a href="/hr/impressum" title="Croatian"> Hrvatski </a></td></tr><tr><td><a href="/hu/impressum" title="Hungarian"> Magyar </a></td><td><a href="/it/impressum" title="Italian"> Italiano </a></td></tr><tr><td><a href="/ja/impressum" title="Japanese"> 日本語 </a></td><td><a href="/ko/impressum" title="Korean"> 한국어 </a></td></tr><tr><td><a href="/ms/impressum" title="Malay"> Bahasa Melayu </a></td><td><a href="/nl/impressum" title="Dutch"> Nederlands </a></td></tr><tr><td><a href="/no/impressum" title="Norwegian"> Norsk </a></td><td><a href="/pl/impressum" title="Polish"> Polski </a></td></tr><tr><td><a href="/pt/impressum" title="Portuguese"> Português </a></td><td><a href="/ro/impressum" title="Romanian"> Română </a></td></tr><tr><td><a href="/ru/impressum" title="Russian"> Русский </a></td><td><a href="/si/impressum" title="Sinhala"> සිංහල </a></td></tr><tr><td><a href="/sk/impressum" title="Slovak"> Slovenčina </a></td><td><a href="/sl/impressum" title="Slovenian"> Slovenščina </a></td></tr><tr><td><a href="/sr/impressum" title="Serbian"> Srpski </a></td><td><a href="/sv/impressum" title="Swedish"> Svenska </a></td></tr><tr><td><a href="/th/impressum" title="Thai"> ภาษาไทย </a></td><td><a href="/tr/impressum" title="Turkish"> Türkçe </a></td></tr><tr><td><a href="/uk/impressum" title="Ukrainian"> Українська </a></td><td><a href="/zh/impressum" title="Simplified Chinese"> 简体中文 </a></td></tr> </table> </td> </tr> </table> <table width="90%"> <tr><th class="tborder">Ko je online? (57)</th></tr> <tr><td class="tborder"> <br> <div align="center"> <a href="/profile/alexburk" title="alexburk">alexburk</a> <a href="/profile/alz" title="">alz</a> <a href="/profile/arcangel" title="">arcangel</a> <a href="/profile/ayk1" title="">ayk1</a> <a href="/profile/Bambi0351" title="Elaine">Bambi0351</a> <a href="/profile/bebey" title="BeBeちゃん">bebey</a> <a href="/profile/BH3NJD" title="qhd1045ly">BH3NJD</a> <a href="/profile/BH8WYQ" title="ruby">BH8WYQ</a> <a href="/profile/BI1NEC" title="BI1NEC">BI1NEC</a> <a href="/profile/BI6NYP" title="张萌">BI6NYP</a> <a href="/profile/celdering" title="Charles Eldering">celdering</a> <a href="/profile/Cincinnatus" title="">Cincinnatus</a> <a href="/profile/correioalternativo" title="Correio Alternativo">correioalternativo</a> <a href="/profile/CWops244" title="Bradley Nicholls">CWops244</a> <a href="/profile/DA1EE" title="">DA1EE</a> <a href="/profile/DL3BCB" title="Ralf Wagner ">DL3BCB</a> <a href="/profile/DL4MH" title="Jörg">DL4MH</a> <a href="/profile/edwardgodlevsky" title="">edwardgodlevsky</a> <a href="/profile/edwinlee" title="">edwinlee</a> <a href="/profile/fitzowl" title="Felix">fitzowl</a> <a href="/profile/gfboss64" title="">gfboss64</a> <a href="/profile/ImForce" title="Force">ImForce</a> <a href="/profile/IU1RZS" title="Alessandro Nati">IU1RZS</a> <a href="/profile/iz2kxb" title="Pierangelo">iz2kxb</a> <a href="/profile/JF2DYF" title="">JF2DYF</a> <a href="/profile/JN456I" title="">JN456I</a> <a href="/profile/JO4ODA" title="">JO4ODA</a> <a href="/profile/julr" title="jul">julr</a> <a href="/profile/JW0AUX" title="Toshiyuki Komatsu">JW0AUX</a> <a href="/profile/K1TOO" title="Douglas A Levinson">K1TOO</a> <a href="/profile/KE2ATN" title="Ronald Befferman">KE2ATN</a> <a href="/profile/KM4OTH" title="Mark">KM4OTH</a> <a href="/profile/kmekichib4" title="">kmekichib4</a> <a href="/profile/krasnoludkolo" title="Danek">krasnoludkolo</a> <a href="/profile/Livingstudios" title="Kris Livingston">Livingstudios</a> <a href="/profile/Mistral" title="">Mistral</a> <a href="/profile/mmartin" title="Marcos ">mmartin</a> <a href="/profile/morichika" title="モリチカカツヨシ">morichika</a> <a href="/profile/N4ZDL" title="William Qualls">N4ZDL</a> <a href="/profile/noctarium" title="">noctarium</a> <a href="/profile/oh1nmx" title="Manu">oh1nmx</a> <a href="/profile/OH6CPJ" title="Pasi Kuusela">OH6CPJ</a> <a href="/profile/OM1BC" title="Boris Pechan">OM1BC</a> <a href="/profile/Paaymans" title="Roger Paaymans">Paaymans</a> <a href="/profile/pe1hkj" title="">pe1hkj</a> <a href="/profile/Pepe62" title="">Pepe62</a> <a href="/profile/pufferfishka" title="">pufferfishka</a> <a href="/profile/qsantos" title="Quentin F4IRO">qsantos</a> <a href="/profile/R2HP" title="Den">R2HP</a> <a href="/profile/rackrman" title="Robert Ackermann">rackrman</a> <a href="/profile/rcew" title="">rcew</a> <a href="/profile/ruchir" title="Ruchir">ruchir</a> <a href="/profile/Sun32" title="">Sun32</a> <a href="/profile/test" title="Test user.">test</a> <a href="/profile/VU3RXU" title="Sharath">VU3RXU</a> <a href="/profile/YSES" title="Ww">YSES</a> <a href="/profile/z31pm" title="Mishel">z31pm</a> </div> <br> </td></tr> </table> </td> <td valign="top"> <h1>Impressum / Legal Notice</h1> <p>Diese Webseite wird betrieben von / This website is operated by</p> <p>Fabian Kurz, DJ5CW<br> Frohschammerstr. 8<br> D-80807 München<br> Germany </p> <p>phone: +49 89 54578182</p> <p>mail: <a href="mailto:fabian@fkurz.net">fabian@fkurz.net</a> (<a href="https://fkurz.net/pgp.txt">PGP B77621F7</a>); <a href="mailto:help@lcwo.net">help@lcwo.net</a> (<a href="https://lcwo.net/misc/pgp.txt">PGP 277C98AF</a>) </p> <p>web: <a href="https://fkurz.net/">http://fkurz.net/</a> - profile: <a href="https://lcwo.net/profile/dj1yfk">http://lcwo.net/profile/dj1yfk</a></p> <p><a href="/privacy">Informationen zum Datenschutz / Privacy Policy</a></p> <p>LCWO is copyright © <a href="https://fkurz.net/">Fabian Kurz</a>, 2008-2025. Source code: <a href="https://git.fkurz.net/dj1yfk/lcwo">https://git.fkurz.net/dj1yfk/lcwo</a>.</p> </td> <td width="20">   </td> </tr> </table> <br><br><br> <div align="center" class="footer">lcwo.net - <strong>Learn Morse Code (CW) Online</strong> by <a class="sLink" href="http://fkurz.net/">Fabian Kurz, DJ5CW</a> (<a href="/impressum">Impressum</a>) - <a href="/privacy">Privacy Policy / Datenschutzinformationen</a></div> <script> // keep the session cookie alife as long as user is on the page, refresh every // 5 minutes function session_keepalive () { var request = new XMLHttpRequest(); request.open("GET", "//lcwo.net/api/index.php?action=keepalive", true); request.onreadystatechange = function() { var done = 4, ok = 200; if (request.readyState == done && request.status == ok) { var r = JSON.parse(request.responseText); if (r["result"] == false) { // no session if (document.getElementById("logoutlink")) { // but we think we're logged in! document.location.href = "//lcwo.net"; } } } } request.send(); } window.setInterval('session_keepalive()', 300000); </script> </body> </html>