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RTK GPS Recommendations

RTK GPS Recommendations

(OP)
We're looking to upgrade from our antiquatated Trimble 4800 gps system to something more modern and I was wandering if anyone had suggestions.  I am interested in either a Trimble or Tocon unit with a cellular modem but other than that I am kinda lost on what I really need.  The primary use of the system will be surveys of infrastructure downstream of dams such as roadway crossings, FFE's, etc. in which I am primarily interested in the elevation.

RE: RTK GPS Recommendations

(OP)
Within a couple tenths would be satisfactory.

RE: RTK GPS Recommendations

(OP)
Sorry... of a foot.

RE: RTK GPS Recommendations

Cellular modems are great, as long as you have a signal.  Any deep rural assignment you'll likley want to keep a hold of the old Trimble and Bluebrick radio.

I'd say to investigate a unit that is compatible with your total station equipment and data collector for that.  Not a requirement, but tends to make life easier on a crew that has to switch between the two.

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