Re: [gpsd-users] Differe,tial GPS question

[Greg Troxel]

Jean-Michel Pouré <address@hidden> writes:

> Le mardi 26 janvier 2016 à 08:24 -0500, Greg Troxel a écrit :
>> You may want to look into RTK: http://www.rtklib.com/
>
> Sorry if this is off-the-list.
>
> Very interesting. I installed RTKGPS under Android. Can it function
> without dedicated antennas? What is the technology behind it?

I am unclear on what "RTKGPS" is.   rtklib is software to do
carrier-phase positioning, both after the fact and in real time.    One
needs a GPS receiver with carrier phase output.   I would be surprised
if the built-in phone ones do that, but it would be very cool.

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