• Hi Joseph,

    We have the firmware here, but you will need to get an RTK firmware license, so it will be better if you sort that out with Trimble (as they own the Ashtech brand), otherwise you might end up wasting your time.


  • Land Surveyor

    try this site

    Index of
  • GeoEducator


    We are using a VRN with our ProMark 3's.  If you are planning to do that, you need to be aware that the ProMark 3 runs on a 2G network, so you need to find a wireless carrier that still runs a 2G network.  T-Mobile still does, so we are using T-Mobile.  Hope that helps,


  • Party Chief

    Loads of Promark3 discussions here

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