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

Bob kb8tq kb8tq at n1k.org
Thu May 3 11:09:05 EDT 2018


Hi

The sites are aimed at improving position information. To the degree that having an
accurate location for your antenna improves timing, simply doing that is a step forward
for your GPSDO. 

Most sites also will give you information that shows the timing solution at a given point
in time. To the degree that you can connect that to prior data it could be useful. There
are more than a few steps involved in getting this to work.

Bob

> On May 3, 2018, at 10:17 AM, Chris Caudle <chris at chriscaudle.org> wrote:
> 
> On Wed, May 2, 2018 11:36 pm, Mark Sims wrote:
>> have Heather do all the receiver configuring, data
>> capture, and RINEX making...
> 
> I have been following along with the update messages, and this seems like
> really cool improvements to the underlying infrastructure pieces that a
> lot of us use (Lady Heather, support for more GPS  modules, etc.), but I
> am having trouble putting all the pieces together.
> 
> Having submitted the files to some post-processing server, do you only get
> back information showing your position to some small number of
> centimeters, or does it send back a stream of values showing the
> corrections to the full position + time equations at each reading?
> Can you use this data to go back to, for example, a stream of timestamps
> and add a correction factor to the timestamps to get improved time
> accuracy on historical data?
> 
> -- 
> Chris Caudle
> 
> 
> 
> 
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