Originally Posted by
JamesNoBrakes
That's where I think the issue is, they are traveling somewhere like 10k mph, right? They are not transmitting their "GPS" position, they are transmitting time, it's all about the time. The receiver doesn't know the satellite position. If it did, it could easily calculate it's own position without time.
You’re on the right track. But the receiver still needs distance to calculate the sphere it’s located in from the satellite. Once it receives the distance from three of the satellites and therefore their spheres and times, it can calculate position.
