[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)


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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