Comment on SpaceX launches Starlink ‘flat high-performance’ dish for moving vehiclesparentComments−HyperSane3yThey have to be due to how rapidly the sats move in and out of view.−iwillbenice3yAlso frequency re-use. They will talk on the same frequency to multiple ground terminals, but pointed different directions from the satellites perspective.−HyperSane3yDid not know that, neat. Phased arrays are so cool.−dunno74563yhttps://www.youtube.com/watch?v=qs2QcycggWU check this out, excellent teardown explanation about how the antenna works.−HyperSane3yThe math used to determine the phase offsets to steer the beam is absurd.
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They have to be due to how rapidly the sats move in and out of view.
Also frequency re-use. They will talk on the same frequency to multiple ground terminals, but pointed different directions from the satellites perspective.
Did not know that, neat. Phased arrays are so cool.
https://www.youtube.com/watch?v=qs2QcycggWU check this out, excellent teardown explanation about how the antenna works.
The math used to determine the phase offsets to steer the beam is absurd.