2021
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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JAXA
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ISRO
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SpaceX
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NASA
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Detailed explanation-1: -XM Satellite Radio (XM) was one of the three satellite radio (SDARS) and online radio services in the United States and Canada, operated by Sirius XM Holdings. It provided pay-for-service radio, analogous to subscription cable television.
Detailed explanation-2: -XM Radio uses two Boeing HS 702 satellites, appropriately nicknamed “Rock” and “Roll, ” and two BSS 702 satellites it calls “Rhythm” and “Blues, ” placed in parallel geostationary orbit, two at 85 degrees west longitude and the other two at 115 degrees west longitude.
Detailed explanation-3: -Our main studios are in Hollywood, California, NYC’s Rockefeller Center and Washington, DC. And not to toot our own horn here, but we suspect they might be the largest, most sophisticated digital radio broadcasting facilities in the world - complete with unbelievable performance spaces for artists.
Detailed explanation-4: -SiriusXM currently has five operational satellites with an estimated minimum lifetime ranging from 2024 to 2036 - plus two in-orbit spares - for broadcasting radio across North America and Canada.