[FOSS-GPS] RTKlib using GPS and GLONASS

Tue Sep 1 01:53:27 PDT 2015

Hi,

I 'm currently trying to use rtklib with GPS and GLONASS using L1 only signal, and I never got a fix.
Various tests were performed in :

-          post-processing mode (RTKPOST) in static and single, with various types of receiver (Ublox M8 raw data , and from national French CORS stations)

-          real-time (RTKNAVI) in static and single (Ublox M8 are used as raw data sources)
In GPS only all tests are OK, but when Glonass is activated no way to have a fix.
For each epoch, the returned error message is always : point pos error (chi-square error nv=9 vv=882.4 cs=13.8)

Using RTKMonitor in RTKNAVI, I can see that residuals are very high.

Any ideas, or suggestions ?
Thanks for your help.

Jean-Charles

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