Because the clocks internal to GNSS receivers are not that accurate, if they're not at the "targeted" location they'll see that all satellites are off by a given time offset, and think that their clock is just off by that much.
Because the clocks internal to GNSS receivers are not that accurate, if they're not at the "targeted" location they'll see that all satellites are off by a given time offset, and think that their clock is just off by that much.