Comment by touisteur
13 hours ago
I think, to beamform in the right direction you have to be able to locate yourself precisely, have an up-to-date almanach of the satellites, and a precise enough datation source. Jamming GNSS is a source of problems for 2 of those issues.
Also, the antennas on starlink dishes are still pretty small, likely to pick up some hard-to-remove sidelobes and the tech to cancel them properly might be export-controlled. You still need to be within electromagnetic visibility to jam them, though.
Yes, afaik the source of issues is GPS jamming.
To add to my point, with multiple antennas it's also possible to spatially separate signals. Not sure if Starlink is doing that, but I think it should be possible to escape GPS jammers by using two antennas with some distance between them. Two antennas can pick up the direction of the signals and with some math they can be separated, at least in theory.