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Satellite Launches and Retirements
EchoStar XXI : The S-band satellite for Europe
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<blockquote data-quote="s-band" data-source="post: 1018811" data-attributes="member: 407744"><p>The reason I couldn't hear much on S was that I had destroyed the front end somehow. Now fixed. The LO is about 1997.93MHz. There is a beacon at about 2206.50MHz. I can see the Meteosat beacon at roughly the same position. There is also a noise peak around the frequency you mention, [USER=187415]@hvdh[/USER] It is quite strong for transponder noise but is it a wide band data signal?</p><p></p><p>3 plots attached. 2 of what I think may be the beacon. One of those has the tail end of something I think was from a non-geo (due to doppler). The 3rd plot is of the wide band signal or noise. Without confirmation from another source, I can't be sure it's Echostar 21.</p><p></p><p>[ATTACH]108117[/ATTACH][ATTACH]108116[/ATTACH] [ATTACH]108115[/ATTACH]</p></blockquote><p></p>
[QUOTE="s-band, post: 1018811, member: 407744"] The reason I couldn't hear much on S was that I had destroyed the front end somehow. Now fixed. The LO is about 1997.93MHz. There is a beacon at about 2206.50MHz. I can see the Meteosat beacon at roughly the same position. There is also a noise peak around the frequency you mention, [USER=187415]@hvdh[/USER] It is quite strong for transponder noise but is it a wide band data signal? 3 plots attached. 2 of what I think may be the beacon. One of those has the tail end of something I think was from a non-geo (due to doppler). The 3rd plot is of the wide band signal or noise. Without confirmation from another source, I can't be sure it's Echostar 21. [ATTACH]108117[/ATTACH][ATTACH]108116[/ATTACH] [ATTACH]108115[/ATTACH] [/QUOTE]
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EchoStar XXI : The S-band satellite for Europe
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