Re:OneWeb will resume satellite launches with SpaceX as the ...
by nradov on Monday March 21, 2022 @12:26PM
(#30756006)
Iridium constellation is in LEO. The ground terminals are able to use simpler antennas mainly because the data rate is much lower.
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Re:OneWeb will resume satellite launches with SpaceX as the ...
by manquer on Monday March 21, 2022 @06:18PM
(#30760443)
Yes, that was incorrect, they are at 780KM orbit, I was thinking Inmarsat who use GEO.
Phased Array does help in improving signal strength(and bandwidth) by focusing on the orbital plane only, however I thought since Iridium uses L-Band(1-2GHz) and SpaceX uses Ku-Band(12-14Ghz), there is additional dish size required anyway and also rain fade issues meant higher strength is required in Ku to operate well.