> GPS satellites don't send down a ___location, they only send down time The GPS al...

duskwuff on April 15, 2024 | parent | context | favorite | on: Show HN: Building a GPS receiver

> GPS satellites don't send down a ___location, they only send down time

The GPS almanac data they transmit is effectively ___location. It's not literally ___location, but the P code isn't literally time either.

> and they can (and have!) turned off GPS off certain regions at will when necessary

As I understand it, those capabilities are no longer present in newer (possibly all active?) GPS satellites.

myself248 on April 15, 2024 [–]

What the satellites are sending is effectively THEIR orbit, not YOUR ___location, I think is the point.