[time-nuts] Imagery position accuracy

Chris Albertson albertson.chris at gmail.com
Sun May 5 22:21:35 EDT 2013

After you get the position, how does the OP (or anyone else) put the
location data into the Trimble GPS receiver so that it can be used in
the time solution.  This is for NTP remember.

Assuming there is some way, will the Trimble GPS receiver "remember"
the location over a power cycle?

In other words, is there a way to program a Trimble receiver to NOT do
the self-survey on power up and instead to use some survey location
you got by some other method, like possibly hiring a survey team.

If there is a why to make that work, I might even modify the NTP
driver to do it.

On Sun, May 5, 2013 at 7:01 PM,  <lists at lazygranch.com> wrote:
> Bing birdseye tech uses Pictometry. They have a few papers on their position accuracy. Perhaps conflicting papers. One shows the RMS error of 0.6ft. Another shows a 95% confidence level at 2.8ft. This is on 4 inch resolution imagery.
> In any event, if your city uses the service, you possibly could get the planning department to provide accurate position data.
> http://www.pictometry.com/index.php?option=com_content&view=article&id=75&Itemid=84
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Chris Albertson
Redondo Beach, California

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