The satellite link is comprised of bidirectional phased arrays. The satellite digitally points at an area of the ground to get reception just as the ground ant

The satellite link is comprised of bidirectional phased arrays. The satellite digitally points at an area of the ground to get reception just as the ground antenna digitally points at an area of sky. SpaceX knows exactly where its clients are, give or take ten kilometers, because that's how big its cell size is. No further telemetry is required. SpaceX is just reticent to comply with whatever authorities are leaning on it.