
7 Automatically Setting up a Mobile Base Station Using AutoBase Technology
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GPS RTK Base GPS Receiver User Guide
8. The antenna type, antenna height, and measurement method
used in the previous setup of this base station are applied.
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CAUTION – If the antenna height is different from the previous setup,
then you must enter the corrected height for the antenna (using the
keypad and display) before starting measurements. Failure to achieve the
correct antenna height position for the antenna results in errors in heights
in subsequent measurements.
9. The receiver begins generating RTK CMR+ corrections.
10. The RTK corrections begin streaming on the radio or port defined
in the previous setup of this base station.
Note – AutoBase recalls base station positions that are stored in the
receiver. If the receiver has been previously set up on a control point but the
stored base station position is not found in the receiver, it is possible that
the information may have accidentally been deleted. In this case, use the
display and keypad to manually set up the base station. Make sure that
you use the same base station latitude, longitude, and height as in the
previous setup otherwise you will experience position or height errors in all
subsequent measurements.
Trimble recommends that after any new base station setup, or at the start
of each measurement session, you measure a known point to verify that
position and height errors are within tolerance. This is good practice and it
takes just a few seconds to eliminate potentially gross errors typically
associated with repeated daily base station setups.
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