Re: [Discuss-gnuradio] Query on GPS

[Krzysztof Kamieniecki]

This is the GPS standard
http://www.navcen.uscg.gov/gps/geninfo/ICD-GPS-200C%20with%20IRNs%2012345.pdf

There are more links to interesting GPS documents at
http://comsec.com/wiki?GlobalPositioningSystem

Which is part of the GNURadio Wiki
http://comsec.com/wiki

Quoting Jesus Cea <address@hidden>:
> Krzysztof Kamieniecki wrote:
> > Right now it looks like my software does to the demodulation and
> calculation of
> > position into xyz coordinates, I'm still looking for enough raw data to be
> able
> > to test the full position calculation. 
> 
> Hi. I'm a newbie in this list, but I'm a telecom engineer and have 
> experience in signal "soft decoding".
> 
> I just bought a GPS unit a few weeks ago and I'm very curious about the 
> protocol. I know the basics, but I would like to know more about the PRN 
> codes used (Gold codes) and the format of ephemerids and almanac 
> transmissions. Basically to know enough to soft decode the satelites' 
> signals.
> 
> I just subscribed to this mailing list and seems that people here have 
> that kind of information. Could you possibly point me to online "deep" 
> docs about that subject?. I'm more interested in docs that source code, BTW.
> 
> Thanks in advance for your time and attention.
> 
> -- 
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