[Talk-GB] accurate GPS

Warin 61sundowner at gmail.com
Wed Oct 9 22:05:42 UTC 2019

On 09/10/19 22:42, Peter Neale via Talk-GB wrote:
> ... and if you had 2 devices, how would you know which is right? You 
> would need at least 3 devices, so that you could take a majority vote.
> Actually 5 would better....

6 is general taken as a minimum number to get a good student's T

And they should be independent as far as possible.

So chose times when there are different satellites in use.

And chose the different systems, GPS then GLONASS

> Or 7, or 9....

More is better - improves student's T but diminishing improvement.
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