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

Bob kb8tq kb8tq at n1k.org
Thu May 3 11:28:38 EDT 2018


If you have a very good survey grade receiver and take a long enough data set, yes you can 
watch your location drift in some parts of the world. In most locations, fixes a few years apart
would be a better bet.

Indeed this does get a bit far from the world of timing …… The distances involved are nasty
small. Even for the location of your telescope when doing astronomical timing observations, 
they are unlikely to matter on a yearly basis. At some point the error is “to small to matter” ….


> On May 3, 2018, at 11:12 AM, Artek Manuals <Manuals at ArtekManuals.com> wrote:
> To further Chris' question if I took data say on the same day every year can I measure which way my tectonic plate is moving and how far?
> -DC
> manuals at artekmanuals.com
> On 5/3/2018 10:17 AM, Chris Caudle 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?
> -- 
> Dave
> Manuals at ArtekManuals.com
> www.ArtekManuals.com
> ---
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