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This group is for land surveyors who use Ashtech Instruments in the field. This group is for discussions and tutorials related to Ashtech user. LSU is not directly affiliated with Ashtech and all logos and imagery are copyright of respective owners

ProMark3 GNSS Post-processing

Hi,I'm in Cyprus assisting with an archaeological dig. We have used Fast Survey for our data collection. Now I'm experimenting with using Surveying. I'm new at using GNSS software. I did a simple test data collection to experiment in with processing in GNSS software. The problem that I have is that when I try to import the data into my project I get the following error message: "Session 'bas1a13.160 does not contain e-file. Azimuths and Elevations of satellites will be replaced with zeros."I'm…

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GEO Ambassador

Timeline of Ashtech Milestones

DISCOVER ASHTECH KEY MILESTONES! (1970)  Sercel an electronics company in France starts the radiopositioning business using land based UHF transmiters at the time.   (1978)  NAVSTAR (Navigation System with Timing And Ranging), now known as GPS (Global Positioning System), launched by U.S. Department of Defense. (1982)  First GLONASS satellites launched by the Russian Federation Ministry of Defense. (1983)  GPS declassified by President Reagan moves from pure military effort to public…

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Land Surveyors Group for Ashtech related Social Support

Ashtech related discussions in this forum are for the purposes of Social Support for land surveyors using Ashtech instruments in their surveying.

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  • Land Surveyor

    Forgive me if anyone already posted this, but there is a firmware update for the Promark3 posted HERE.

    This solved all of the initialization problems I was having with my unit.


  • Open appeal to Skip Farrow:
    Any word on the touch screen replacement part? Please send any pictures, notes and anything else to use in our quest to replace those puppies. Magellan/Ashtech has been no help.
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Ok. Don't bother me again, for this session.