Viasat (California) will only launch 20 medium-Earth-orbit satellites instead of 24 as per their original plan.
Kepler will create a new satellite system for the Internet of Things.
LeoSat will offer high-speed connectivity for enterprises and underserved communities.
Both will be approved according to the FCC chairman.
They will approve requests of SpaceX and TeleSat Canada to expand the frequencies they can use so that their fleets of low Earth orbit satellites can offer even better broadband service.
Telesat will launch 117 satellites into low-earth-orbit. These will be about ~1,000 km from earth which is ~35 times closer than traditional satellites. They will seamlessly integrate with terrestrial networks. The global network will deliver fiber quality speed (Gbps links; low latency) anywhere on earth. Telesat has worldwide rights to ≈4 GHz of Ka-band spectrum that is ideal for high-performance broadband networks. Telesat’s Phase 1 LEO launched successfully on January 12, 2018. Project plans are moving forward aggressively and start of global service is targeted for 2022.
SpaceX is launching 4,425 satellites.
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All modern satellites have an end-of-life plan where the satellite is not just left floating around in an orbit that could pose a hazard or interfere with other users.google “end of life satellite”
All modern satellites have an end-of-life plan where the satellite is not just left floating around in an orbit that could pose a hazard or interfere with other users.
google “end of life satellite”
About response times: having the sats at 1000km, it means a client-serve-client communication at least 4000km increase of the distance the signals have to run. It translates to 10 millisecs (1/100 sec) added to the response time. I do not sure, if that is still OK for a fast connection (comparing to fiber speeds). Bandwith wise it could be strong, though.
The ITU, which is a UN agency, has jurisdiction over frequencies and orbital slots. They have been doing allocations for over a century, ever since radio crossed national boundaries. They allocate these frequencies to countries, which in turn license users.
FCC or Federal Communication Commision has jurisdiction to approve frquencies only for USA they don’t approve it globally but constelation basicaly no needed aproval at all, you colud launch to space basically whatever you want. They need only approve frequencies and next big approval for starlink to use on worldwide scale they need from ITU (International Telecomunication Union).
The ITU, which is a UN agency, has jurisdiction over frequencies and orbital slots. They have been doing allocations for over a century, ever since radio crossed national boundaries. They allocate these frequencies to countries, which in turn license users.
What I continue to wonder is whom, if anyone, has responsibility for assessing the impact of these huge satellite constellations on the, potentially dire, space junk situation. This ought to be a factor in whether a proposed satellite constellation is approved or not, since a Kessler cascade could potentially render Low Earth Orbit unusable to anyone. If no one has such a responsibility, it seems rather akin to strolling blindfolded into a minefield. Not the best of ideas.
I still don’t understand how the FCC has a jurisdiction on global space.
Well, considering the whole phased array antenna they use plus SDR, plus laser crosslinks, SAR interferometry could potentially be done. Use orbital plane spares as SAR sats is an interesting idea.Though a key FCC ruling is whether the minimum constellation fill-in rule exceptions will be granted.
I wonder how hard it would be to use the spacex constellation for continuous synthetic aperture imaging of the entire planet.
What I continue to wonder is whom, if anyone, has responsibility for assessing the impact of these huge satellite constellations on the, potentially dire, space junk situation. This ought to be a factor in whether a proposed satellite constellation is approved or not, since a Kessler cascade could potentially render Low Earth Orbit unusable to anyone. If no one has such a responsibility, it seems rather akin to strolling blindfolded into a minefield. Not the best of ideas.
I still don’t understand how the FCC has a jurisdiction on global space.
Well, considering the whole phased array antenna they use plus SDR, plus laser crosslinks, SAR interferometry could potentially be done. Use orbital plane spares as SAR sats is an interesting idea.
Though a key FCC ruling is whether the minimum constellation fill-in rule exceptions will be granted.
I wonder how hard it would be to use the spacex constellation for continuous synthetic aperture imaging of the entire planet.