[time-nuts] GPS position averaging

Bob Camp kb8tq at n1k.org
Mon Dec 15 20:35:28 EST 2014


> On Dec 15, 2014, at 8:29 PM, Paul <tic-toc at bodosom.net> wrote:
> On Mon, Dec 15, 2014 at 6:39 PM, Angus <not.again at btinternet.com> wrote:
>> But is it the closest to the 'true' position that you really want, or
>> the best estimate of where the particular GPS you are testing thinks
>> it is?
> I don't understand what you're saying here.  Can you phrase it differently?

I proposed two possible solutions to the problem:

1) Do the long term average with your specific GPS gizmo.

2) Get a survey grade GPS in and determine the “real” location.

The NIST papers do indicate that #1 does not equal #2 for the gear they tested. 

So the question - If they are not going to be equal, which one do you pick?


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