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There are many such systems in place and they are generally named or described based on how the GPS sensor receives the information. Some systems transmit additional information about sources of error (such as clock drift, ephemeris, or ionospheric delay), others provide direct measurements of how much the signal was off in the past, while a third group provide additional navigational or vehicle information to be integrated in the calculatio" /> <meta property="og:site_name" content="DBpedia" />  </head> <body about="http://dbpedia.org/resource/GNSS_enhancement">  <nav class="navbar navbar-expand-md navbar-light bg-light fixed-top align-items-center"> <div class="container-xl"> <a class="navbar-brand" href="http://wiki.dbpedia.org/about" title="About DBpedia" style="color: #2c5078"> <img class="img-fluid" src="/statics/images/dbpedia_logo_land_120.png" alt="About DBpedia" /> </a> <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#dbp-navbar" aria-controls="dbp-navbar" aria-expanded="false" aria-label="Toggle navigation"> </button> <div class="collapse navbar-collapse" 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href="http://dbpedia.org/resource/GNSS_enhancement">GNSS enhancement</a> </h1> </div> </div> <div class="row"> <div class="col"> <div class="text-muted"> An Entity of Type: <a href="http://dbpedia.org/class/yago/System104377057">System104377057</a>, from Named Graph: <a href="http://dbpedia.org">http://dbpedia.org</a>, within Data Space: <a href="http://dbpedia.org">dbpedia.org</a> </div> </div> </div> <div class="row pt-2"> <div class="col-xs-9 col-sm-10"> GNSS enhancement refers to techniques used to improve the accuracy of positioning information provided by the Global Positioning System or other global navigation satellite systems in general, a network of satellites used for navigation.Enhancement methods of improving accuracy rely on external information being integrated into the calculation process. There are many such systems in place and they are generally named or described based on how the GPS sensor receives the information. Some systems transmit additional information about sources of error (such as clock drift, ephemeris, or ionospheric delay), others provide direct measurements of how much the signal was off in the past, while a third group provide additional navigational or vehicle information to be integrated in the calculatio </div> </div> </div> </section>   <section> <div class="container-xl"> <div class="row"> <div class="table-responsive"> <table class="table table-hover table-sm table-light"> <thead> <tr> <th class="col-xs-3 ">Property</th> <th class="col-xs-9 px-3">Value</th> </tr> </thead> <tbody> <tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/ontology/abstract">dbo:abstract</a> </td><td class="col-10 text-break"><ul> <li>GNSS enhancement refers to techniques used to improve the accuracy of positioning information provided by the Global Positioning System or other global navigation satellite systems in general, a network of satellites used for navigation.Enhancement methods of improving accuracy rely on external information being integrated into the calculation process. There are many such systems in place and they are generally named or described based on how the GPS sensor receives the information. Some systems transmit additional information about sources of error (such as clock drift, ephemeris, or ionospheric delay), others provide direct measurements of how much the signal was off in the past, while a third group provide additional navigational or vehicle information to be integrated in the calculation process. (en)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/ontology/wikiPageExternalLink">dbo:wikiPageExternalLink</a> </td><td class="col-10 text-break"><ul> <li><a class="uri" rel="dbo:wikiPageExternalLink nofollow" resource="http://gps.afspc.af.mil/gpsoc/documents/PPS_PS_Signed_Final_23_Feb_07.pdf" href="http://gps.afspc.af.mil/gpsoc/documents/PPS_PS_Signed_Final_23_Feb_07.pdf">http://gps.afspc.af.mil/gpsoc/documents/PPS_PS_Signed_Final_23_Feb_07.pdf</a></li> <li><a class="uri" rel="dbo:wikiPageExternalLink nofollow" resource="https://web.archive.org/web/20080625111519/http:/www.usace.army.mil/publications/eng-manuals/em1110-1-1003/entire.pdf" href="https://web.archive.org/web/20080625111519/http:/www.usace.army.mil/publications/eng-manuals/em1110-1-1003/entire.pdf">https://web.archive.org/web/20080625111519/http:/www.usace.army.mil/publications/eng-manuals/em1110-1-1003/entire.pdf</a></li> <li><a class="uri" rel="dbo:wikiPageExternalLink 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href="https://web.archive.org/web/20091229023237/http:/pnt.gov/public/docs/2008/spsps2008.pdf">https://web.archive.org/web/20091229023237/http:/pnt.gov/public/docs/2008/spsps2008.pdf</a></li> <li><a class="uri" rel="dbo:wikiPageExternalLink nofollow" resource="http://www.gps.gov/" href="http://www.gps.gov/">http://www.gps.gov/</a></li> <li><a class="uri" rel="dbo:wikiPageExternalLink nofollow" resource="http://gps.afspc.af.mil/gpsoc/documents/GPS_Signal_Spec.pdf" href="http://gps.afspc.af.mil/gpsoc/documents/GPS_Signal_Spec.pdf">http://gps.afspc.af.mil/gpsoc/documents/GPS_Signal_Spec.pdf</a></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/ontology/wikiPageID">dbo:wikiPageID</a> </td><td class="col-10 text-break"><ul> <li>27616383 (xsd:integer)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/ontology/wikiPageLength">dbo:wikiPageLength</a> </td><td class="col-10 text-break"><ul> <li>14709 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