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Trimble CenterPoint RTX Reference Point

Question asked by john blaikie on Mar 22, 2019
Latest reply on Apr 4, 2019 by Robert Hoy

For the first time in a long time, I tried using Trimble CenterPoint RTX Post-Processing to compare the results we get from OPUS when using our R10 GNSS receivers.

With OPUS, we have to manually calculate the antenna reference point, which per the manual is shown at the bottom of receiver / top of quick release. Since you can't use the receiver without the quick release we either measure our height of antenna (HA) to the perdetermined offset reference points being either bottom of quick release (add 0.05m) or the lever of R10 extension (add 0.15m + 0.05m)

When we process our data through the CenterPoint RTX, the reference point is always shown as Bottom of Antenna mount, but the HA is shown as what was entered in to the data file using one of the predetermined reference points.

Question: If CenterPoint RTX is calculating the El Height at the Bottom of Antenna using our HA to the lever of R10 extension, do I therefore have to manually add the 0.20m to the processed height?