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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">SDKM</span></h1>
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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="de" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><p><b>SDKM</b> (auch SDCM, <span style="font-style:normal;font-weight:normal"><a href="Russische_Sprache" title="Russische Sprache">russisch</a></span> <span lang="ru-Cyrl" class="Cyrl" style="font-style:normal">система дифференциальной коррекции и мониторинга</span>, "System zur differentiellen Korrektur und Überwachung") ist das russische <a href="Satellite_Based_Augmentation_System" title="Satellite Based Augmentation System">Satellite Based Augmentation System</a> (SBAS) für das Gebiet Russlands. Schon vor 2010 existierte ein großer Teil der dafür notwendigen Bodeninfrastruktur. Der Start des ersten der erforderlichen Kommunikationssatelliten fand ab 2012 statt.
</p><p><a href="GLONASS" title="GLONASS">GLONASS</a>- und <a href="Global_Positioning_System" title="Global Positioning System">GPS</a>-Signale werden an bis zu 20 Referenzstationen in Russland sowie sechs weiteren Stationen außerhalb Russlands empfangen. Die Korrektursignale werden in einem zu den anderen SBAS-Systemen kompatiblen Format über drei <a href="Geostation%C3%A4rer_Satellit" title="Geostationärer Satellit">geostationäre Satelliten</a> (<a href="Lutsch_(Satellit)" title="Lutsch (Satellit)">Lutsch</a>-5A, -5B und -5W) an die <a href="Mobiles_Navigationssystem" class="mw-redirect" title="Mobiles Navigationssystem">Navigationsgeräte</a> verbreitet. Dadurch kann die Genauigkeit und Integrität der <a href="Globales_Navigationssatellitensystem" title="Globales Navigationssatellitensystem">GNSS</a>-Positionsbestimmung deutlich erhöht werden.
</p><p>Die SDKM-Datenströme werden über Lutsch-5A (Standort über dem Äquator bei 167 Grad Ost, Satellitenstart am 11. Dezember 2011, <a href="Pseudozufallsrauschen" title="Pseudozufallsrauschen">PRN</a> 125) im Pazifik-Raum und Australien, über <a href="Lutsch_(Satellit)#Startliste" title="Lutsch (Satellit)">Lutsch-5B</a> (16 Grad West, Satellitenstart 2. November 2012, PRN 140) im Gebiet Europa, Atlantik, Südamerika und Afrika und über Lutsch-5W (95 Grad Ost, Satellitenstart 28. April 2014, PRN 141) in Asien, dem <a href="Indischer_Ozean" title="Indischer Ozean">Indischen Ozean</a> und Australien verfügbar gemacht.
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<table style="font-size:80%; border:none; border-collapse:collapse; line-height:1em; position:absolute; width:6em; margin: 0 .2em; text-align:right; right:-1.5em; top:3px;"><tbody><tr><td style="border:none; vertical-align:middle;"><span class="notheme" style="position:relative; z-index:9; color:#202122;background:#FFFFFF;">Lutsch-5A </span></td></tr></tbody></table></div>
<div style="position:absolute; top:50%; left:45.6%; height:0; width:0;"><div style="position:relative;z-index:100;left:-4px;top:-4px;width:8px;height:8px;line-height:0px;"><span typeof="mw:File"><a href="geo:0,-16" title="Lutsch-5B (0° 0′ 0″ N, 16° 0′ 0″W)"></a></span></div>
<table style="font-size:80%; border:none; border-collapse:collapse; line-height:1em; position:absolute; width:6em; margin: 0 .2em; text-align:center; top:3px; left:-3em"><tbody><tr><td style="border:none; vertical-align:middle;"><span class="notheme" style="position:relative; z-index:9; color:#202122;background:#FFFFFF;">Lutsch-5B </span></td></tr></tbody></table></div>
<div style="position:absolute; top:50%; left:76.4%; height:0; width:0;"><div style="position:relative;z-index:100;left:-4px;top:-4px;width:8px;height:8px;line-height:0px;"><span typeof="mw:File"><a href="geo:0,95" title="Lutsch-5W (0° 0′ 0″ N, 95° 0′ 0″O)"></a></span></div>
<table style="font-size:80%; border:none; border-collapse:collapse; line-height:1em; position:absolute; width:6em; margin: 0 .2em; text-align:center; top:3px; left:-3em"><tbody><tr><td style="border:none; vertical-align:middle;"><span class="notheme" style="position:relative; z-index:9; color:#202122;background:#FFFFFF;">Lutsch-5W </span></td></tr></tbody></table></div></div></td></tr>
<tr style="font-size: 90%"><td style="border: none;"><div style="margin: 0 0.3em">Orbitalpositionen der drei Lutsch-Satelliten</div></td></tr></tbody></table>
<div class="mw-heading mw-heading2"><h2 id="Weblinks">Weblinks</h2></div>
<ul><li><a rel="nofollow" class="external text" href="https://sdcm.ru">Website des SDKM-Systems</a> (russisch)</li>
<li><span class="cite"><a rel="nofollow" class="external text" href="http://archive.today/2013.04.18-032154/http://www.spacecorp.ru/en/press/publications/item2738.php"><i>GLONASS Modernization.</i></a> 16.&nbsp;November 2011, archiviert vom <style data-mw-deduplicate="TemplateStyles:r250917974">
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<div class="klappleiste-kopf"><a href="Globales_Navigationssatellitensystem" title="Globales Navigationssatellitensystem">Satellitengestützte Navigationsysteme</a></div>
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<p><b>Globale Systeme</b> &nbsp;
Historisch:&nbsp;
<span style="display:none">Vereinigte Staaten</span><span class="mw-image-border noviewer" typeof="mw:File"><a href="Transit_(Satellitensystem)" title="Vereinigte Staaten"></a></span>&nbsp;<a href="Transit_(Satellitensystem)" title="Transit (Satellitensystem)">Transit</a>&nbsp;·
<span style="display:none;">Sowjetunion</span><span typeof="mw:File"><a href="Parus_(Satellit)" title="Sowjetunion"></a></span>&nbsp;<a href="Parus_(Satellit)" title="Parus (Satellit)">Parus/Zikada</a> &nbsp;
In Betrieb:&nbsp;
<span style="display:none">Vereinigte Staaten</span><span class="mw-image-border noviewer" typeof="mw:File"><a href="Global_Positioning_System" title="Vereinigte Staaten"></a></span>&nbsp;<a href="Global_Positioning_System" title="Global Positioning System">GPS</a> &nbsp;·
<span style="display:none">Russland</span><span style="white-space:nowrap"><span class="mw-image-border noviewer" typeof="mw:File"><a href="GLONASS" title="Russland"></a></span> <a href="GLONASS" title="GLONASS">GLONASS</a></span>&nbsp;·
<span style="display:none">Europaische Union</span><span style="white-space:nowrap"><span class="noviewer" typeof="mw:File"><a href="Galileo_(Satellitennavigation)" title="Europäische Union"></a></span> <a href="Galileo_(Satellitennavigation)" title="Galileo (Satellitennavigation)">Galileo</a></span>&nbsp;·
<span style="display:none;">China Volksrepublik</span><span typeof="mw:File"><a href="Beidou_(Satellitennavigation)" title="Volksrepublik China"></a></span>&nbsp;<a href="Beidou_(Satellitennavigation)" title="Beidou (Satellitennavigation)">Beidou-3</a>
</p><p><b>Regionale Systeme und regionale Ergänzungssysteme</b> &nbsp;
Historisch:&nbsp;
<span style="display:none;">China Volksrepublik</span><span typeof="mw:File"><a href="Beidou_(Satellitennavigation)" title="Volksrepublik China"></a></span>&nbsp;<a href="Beidou_(Satellitennavigation)" title="Beidou (Satellitennavigation)">Beidou-1</a>&nbsp;
In Betrieb:&nbsp;
<span style="display:none">Japan</span><span class="mw-image-border noviewer" typeof="mw:File"><a href="Quasi-Zenit-Satelliten-System" title="Japan"></a></span>&nbsp;<a href="Quasi-Zenit-Satelliten-System" title="Quasi-Zenit-Satelliten-System">QZSS</a>&nbsp;·
<span style="display:none">Indien</span><span class="mw-image-border noviewer" typeof="mw:File"><a href="Indian_Regional_Navigation_Satellite_System" title="Indien"></a></span>&nbsp;<a href="Indian_Regional_Navigation_Satellite_System" title="Indian Regional Navigation Satellite System">IRNSS</a>
</p><p><b>Unterstützende satellitenbasierte Systeme (<a href="Satellite_Based_Augmentation_System" title="Satellite Based Augmentation System">SBAS</a>)</b> &nbsp;
In Betrieb:&nbsp;
<span style="display:none">Vereinigte Staaten</span><span class="mw-image-border noviewer" typeof="mw:File"><a href="Wide_Area_Augmentation_System" title="Vereinigte Staaten"></a></span>&nbsp;<a href="Wide_Area_Augmentation_System" title="Wide Area Augmentation System">WAAS</a>&nbsp;·
<span style="display:none">Japan</span><span class="mw-image-border noviewer" typeof="mw:File"><a href="MSAS" title="Japan"></a></span>&nbsp;<a href="MSAS" title="MSAS">MSAS</a>&nbsp;·
<span style="display:none">Europaische Union</span><span style="white-space:nowrap"><span class="noviewer" typeof="mw:File"><a href="European_Geostationary_Navigation_Overlay_Service" title="Europäische Union"></a></span> <a href="European_Geostationary_Navigation_Overlay_Service" title="European Geostationary Navigation Overlay Service">EGNOS</a></span> &nbsp;
<span style="display:none">Indien</span><span class="mw-image-border noviewer" typeof="mw:File"><a href="GPS_Aided_Geo_Augmented_Navigation" title="Indien"></a></span>&nbsp;<a href="GPS_Aided_Geo_Augmented_Navigation" title="GPS Aided Geo Augmented Navigation">GAGAN</a>&nbsp;·
<span style="display:none">Japan</span><span class="mw-image-border noviewer" typeof="mw:File"><a href="Quasi-Zenit-Satelliten-System" title="Japan"></a></span>&nbsp;<a href="Quasi-Zenit-Satelliten-System" title="Quasi-Zenit-Satelliten-System">QZSS-SAIF</a>&nbsp;·
<span style="display:none">Russland</span><span style="white-space:nowrap"><span class="mw-image-border noviewer" typeof="mw:File"><a href="SDKM" title="Russland"></a></span> <a class="mw-selflink selflink">SDKM</a></span>
</p><p><b>Siehe auch</b> &nbsp;
<a href="Liste_der_Navigationssatelliten" title="Liste der Navigationssatelliten">Liste der Navigationssatelliten</a>
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