Land Surveyor Forum

Differential Correction Issue in Trimble 5.4 with GLONASS effects GPS Accuracy

Posted by Mel Slater on March 26, 2014 at 5:58pm in Introduce Yourself to the Community

I am working with survey data collected with a Trimble Geo6000 series GPS unit and post-processed in Trimble GPS Pathfinder 5.4 and have encountered an issue with differential correction dropping GLONASS satellites. The ssf file shows that data was collected with both GPS and GLONASS satellites (CORS verifies GLONASS satellites were available at the time of survey and other rover units captured and corrected without issue at the same time/area)  but the cor file from one GPS unit drops the GLONASS satellites and as a result the accuracy threshold drops significantly. Has anyone encountered an similar issue or have any advice on how to correct this problem?
Thanks.
Mel

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Tags: correction, differential, glonass, trimble
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  • GEO Ambassador
    Skip Farrow March 26, 2014 at 7:39pm

    Sorry i could not be more help with this but I am sure someone will come along with some advise.  In the meantime I dug up the Orientation Guide for Pathfinder which may contain the answer to your problem..  this post might be of some help too.. good luck out there

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