Hello Christian, Thank you very much for the links.
On Sun, 12 Dec 2010 19:22:41 +0100, "Christian Vogel" <vogel...@vogel.cx> wrote: > > There are a few. My Trimble Thunderbolt can give you doppler and > codephase (gps often calls it "pseudorange"). Thats interesting, the ublox 5 GPS module I was playing with only provides those data if you have the so called "raw data premium feature" enabled (whatever this means, I have not yet looked at the details). > Sparkfun sells "only the frontend" (mixer, 1-bit ADC, USB) > with sourcecode available in a book and on DVD (WTF?!) > > ---> http://www.sparkfun.com/products/8238 Interesting device, I wasn't aware of it (I know about the book). Is the Source Code of the book available ? So far I have only seen some material for download at the following site, not sure if there is the whole content of the DVD: http://kom.aau.dk/project/softgps/ Would be interesting to use the code with a USRP. > There's actually quite a lot of information out there, > but there also seem to be quite a lot of half-abandoned > projects (and a few seem to have vanished since the last time I had > an interest in it around 2005). I had a short look at some but always had the impression that it is not exactly what I am looking for. I guess I should try to get a GPS receiver which provides the required data, thats probably the easiest approach. Best regards, Dieter -- Dieter Spaar, Germany sp...@mirider.augusta.de