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3 Setting up the Receiver
22 Trimble R7/R8 GPS Receiver User Guide
Trimble R7 Operation
3.1 Pole-Mounted Setup
To mount the Trimble R7 on a pole, you need to do the following:
1. Mount the eRTK™ Range Pole antenna (RPA).
2. Mount the receiver.
3. Mount the Trimble controller.
This section provides detailed instructions on each of these three steps.
Mounting the Range Pole antenna (RPA)
To mount the RPA on the pole:
1. Install the RPA bracket 7.5 cm (3") from the pole top by placing
the two pieces together and securing with screws. If you are
using a 1" diameter pole, place the bracket inserts inside the
bracket before securing.
Note – You can use a quarter-wave whip (“rubber duck”)
antenna attached directly to the receiver instead of the RPA.
2. Connect the yellow TNC-to-TNC GPS cable and run it through
the RPA bracket clips where it is labeled on the bracket. Make
sure that the right-angle connector is at the top.
Note – The cable must be routed inside the RPA, through the
bracket, or it will affect the RPA radio reception performance.
3. Align the TNC connector on the RPA with the GPS antenna
cable on the bracket, and while feeding the cable through the
RPA, slide the RPA onto the bracket until it clicks.