[time-nuts] nuts about position (cheap receiver)

Ole Petter Ronningen opronningen at gmail.com
Thu May 3 13:03:19 EDT 2018


In my experience, there is little difference between the Final and Rapid,
which will be out just about now (for yesterdays observations)

Ole

On Thu, May 3, 2018 at 6:26 PM Mark Sims <holrum at hotmail.com> wrote:

> To give an idea about the possible improvement in antenna location
> available by post-processing the data,  I first did a 2 hour self-survey
> and that put the receiver into position hold mode.  Then I collected RINEX
> data for 16 hours.   The post-processed lat/lon/alt values differed around
> 1/1/3 meters better than the self-survey values (with estimated error
> ellipses of 0.17/0.15/0.4 meters).   Those results were with the "ultra
> rapid" orbits.  It will be interesting to see what they look like when the
> final precise orbits are available in a couple of weeks.
>
> I also need to see how those values compare to Lady Heather's precision
> survey results.
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