[time-nuts] How much unit to unit variation is there in low cost GPS receivers?

[Hal Murray]

Or batch to batch?

If I get a unit of type A and another of type B and run some tests and conclude that A is better, will you get the same results if you try to repeat my tests?  Will we get the same results if we swap units, that is run my tests at my location and with my setup using your receivers and vice versa.

This started with Tom and Gary's comments about the Adafruit vs Uptronics.

A simpler experiment is probably something like...  If I get several samples of type A and run some tests, will there be any significant difference between any of them?


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