[FOSS-GPS] RTKLIB errors and warnings

mazahirp mazahir.poonawalla at gmail.com
Wed Feb 5 20:45:57 PST 2014

Hi Josh,

Thank you for the reply. So basically I need longer distance between the
base and rover. 
I am using - ABRACON APAE1575R2540AADBE-T & ABRACON APAE1575R2540BBDB1-T as
my 2 antennas. 
So, few more doubts:
a). Will these antennas do as far as RTK GPS is concerned?
b). Will I have to take base readings for so long? Assuming, though base
would be at a constant location, but base position could change on a day to
day basis. Also, if I log (lat,long and altitude) these values, the data
will be very large to average out. Should i use MATLAB for averaging?
c). I was getting a "fix" status at certain intervals in static and
kinematic mode, but the baseline in the graph was always beyond 5 to 6
meters (in both fix and float status).
d). If I change the base values in options by a very minimal margin and
change its altitude by 10m, still there is no change in the output rover
position. The baseline still shows beyond 6m. Also the height/altitude is
wrong (when I compare it with a ublox 5t running in u-center placed at same

Would be really helpful. Thank you once again.


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