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HyperSane
3y ago
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They have to be due to how rapidly the sats move in and out of view.
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iwillbenice
3y ago
Also frequency re-use. They will talk on the same frequency to multiple ground terminals, but pointed different directions from the satellites perspective.
HyperSane
OP
3y ago
Did not know that, neat. Phased arrays are so cool.
dunno7456
3y ago
https://www.youtube.com/watch?v=qs2QcycggWU
check this out, excellent teardown explanation about how the antenna works.
HyperSane
OP
3y ago
The math used to determine the phase offsets to steer the beam is absurd.
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