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 <[EMAIL PROTECTED]>: > 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. > > -- > Jesus Cea Avion _/_/ _/_/_/ _/_/_/ > [EMAIL PROTECTED] http://www.argo.es/~jcea/ _/_/ _/_/ _/_/ _/_/ _/_/ > _/_/ _/_/ _/_/_/_/_/ > PGP Key Available at KeyServ _/_/ _/_/ _/_/ _/_/ _/_/ > "Things are not so easy" _/_/ _/_/ _/_/ _/_/ _/_/ _/_/ > "My name is Dump, Core Dump" _/_/_/ _/_/_/ _/_/ _/_/ > "El amor es poner tu felicidad en la felicidad de otro" - Leibniz > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
