I don't know if this was taken into consideration but the passive monument used in the OPUS observation probably was on an epoch date of 2007.000, whi...

I'm biased since I've only used Trimble, but I really enjoy Trimble products. The user interface on the controllers is fairly simplistic (both Trimbl...

Try the following link:When updating my office's Trimble Geomatics Office, there was a million and one downloads and not always the easiest to search ...

OPUS BETA's vertical is not close to differential leveling, current OPUS solutions & published passive points. Between 2 published NGS monuments,...

I was looking to move up to Oregon when I was unemployed, but the only surveying jobs I could find were part time for HDR.

Has anyone else tried the BETA of OPUS NAD83(2011)? I'm getting great Lat, Long and State Plane, but my orthometric heights are not close.