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Global Navigation Satellite System (GLONASS)

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Global Navigation Satellite System (GLONASS)Global Navigation Satellite System (GLONASS)

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Unchanged: <h3>Overview</h3>Unchanged: <h3>Overview</h3>
Unchanged: Originally designed by the Soviet Union for military communication purposes in the 1970s, the Global Navigation Satellite System (GLONASS) is a satellite constellation that has been adapted for commercial uses such as weather broadcasting, navigation, and reconnaissance. GLONASS is often used as an alternative to <a href="https://wiki.pathfinderdigital.com/wiki/global-positioning-system-gps/">GPS</a>.Unchanged: Originally designed by the Soviet Union for military communication purposes in the 1970s, the Global Navigation Satellite System (GLONASS) is a satellite constellation that has been adapted for commercial uses such as weather broadcasting, navigation, and reconnaissance. GLONASS is often used as an alternative to <a href="https://wiki.pathfinderdigital.com/wiki/global-positioning-system-gps/">GPS</a>.
Deleted: The first GLONASS satellite was launched in 1982 and the system was declared fully operational in 1993. Russia has committed to having a minimum of 18 satellites in the constellation at any given time, and the current constellation consists of 24 satellites (and tree spares) in three orbital planes with 8 satellites per plane. The satellites are placed into circular orbits with periods of 11.25 hrs, target inclinations of 64.8 degrees, and an orbital radius of 19,140 km. This is about 1,060 km closer to the surface of the Earth than GPS satellites. <a href="https://www.everythingrf.com/community/what-is-glonass">[1]</a> Added: The first GLONASS satellite was launched in 1982 and the system was declared fully operational in 1993. Russia has committed to having a minimum of 18 satellites in the constellation at any given time, and the current constellation consists of 24 satellites (and tree spares) in three orbital planes with 8 satellites per plane. The satellites are placed into circular orbits with periods of 11.25 hrs, target inclinations of 64.8 degrees, and an orbital radius of 19,140 km. This is about 1,060 km closer to the surface of the Earth than GPS satellites. <a href="https://www.everythingrf.com/community/what-is-glonass">[1]</a> <a href="https://support.garmin.com/en-US/?faq=GvYAvElyJN1XErPJevmbJ7">[2]</a>
Unchanged: <h4>Versions</h4>Unchanged: <h4>Versions</h4>
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Unchanged: <li>GLONASS: 1982 - intended for measuring weather, positioning, timing, and velocity.</li>Unchanged: <li>GLONASS: 1982 - intended for measuring weather, positioning, timing, and velocity.</li>
Unchanged: <li>GLONASS-M: 2003 - added second civil code, important for GIS mapping receivers.</li>Unchanged: <li>GLONASS-M: 2003 - added second civil code, important for GIS mapping receivers.</li>
Unchanged: <li>GLONASS-K: 2011 - added third civil frequency, 3 types: K1, K2, and KM.Unchanged: <li>GLONASS-K: 2011 - added third civil frequency, 3 types: K1, K2, and KM.
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Unchanged: <li>GLONASS-K2 - launched after 2015 (currently in design phase).</li>Unchanged: <li>GLONASS-K2 - launched after 2015 (currently in design phase).</li>
Unchanged: <li>GLONASS-KM-launched after 2025 (currently in the research phase).</li>Unchanged: <li>GLONASS-KM-launched after 2025 (currently in the research phase).</li>
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Unchanged: </ul>Unchanged: </ul>
Unchanged: [caption id="attachment_1317" align="aligncenter" width="700"]<a href="https://www.everythingrf.com/community/what-is-glonass"><img class="wp-image-1317 size-full" src="https://wiki.pathfinderdigital.com/wp-content/uploads/2020/03/GLONASS.jpg" alt="" width="700" height="412" /></a> GLONASS Upgrade Timeline[/caption]Unchanged: [caption id="attachment_1317" align="aligncenter" width="700"]<a href="https://www.everythingrf.com/community/what-is-glonass"><img class="wp-image-1317 size-full" src="https://wiki.pathfinderdigital.com/wp-content/uploads/2020/03/GLONASS.jpg" alt="" width="700" height="412" /></a> GLONASS Upgrade Timeline[/caption]
Unchanged: <h3>Related Links</h3>Unchanged: <h3>Related Links</h3>
Unchanged: <a href="https://gssc.esa.int/navipedia/index.php/GLONASS_General_Introduction">ESA: GLONASS General Introduction</a>Unchanged: <a href="https://gssc.esa.int/navipedia/index.php/GLONASS_General_Introduction">ESA: GLONASS General Introduction</a>
Unchanged: <a href="https://www.semiconductorstore.com/blog/2015/GPS-vs-GLONASS-Which-is-Best-for-Tracking-Applications/810/">Symmetry Electronics: GPS vs GLONASS</a>Unchanged: <a href="https://www.semiconductorstore.com/blog/2015/GPS-vs-GLONASS-Which-is-Best-for-Tracking-Applications/810/">Symmetry Electronics: GPS vs GLONASS</a>
Unchanged: <a href="https://www.glonass-iac.ru/en/">GLONASS Information</a>Unchanged: <a href="https://www.glonass-iac.ru/en/">GLONASS Information</a>