4. Base station setup and operation
i80 GNSS Receiver User Guide Page 35
cellular communications tower.
Do not set up the base station close to the sources of electromagnetic
interference, include alternators and generators, electric motors,
equipment with DC-to-AC converters, etc.
Do not operate the receiver outside the specified operating
temperature range -40°C to +60°C (-40°F to +140°F).
Take reasonable care to keep the GNSS receiver equipment dry, which
could prolong their life and reduce the effects of corrosion on ports and
connectors.
4.2. OUTPUTTING CORRECTIONS USING INTERNAL RADIO MODEM
4.2.1. BASE STATION SETUP
1. Connect the radio antenna onto i80 receiver. Screw the receiver onto
extension pole.
2. Screw the extension pole with auxiliary H.I. tool onto tribrach adaptor.
3. Mount the tribrach onto the tripod.
4. Insert the tribrach adaptor into the tribrach.
5. Level and plumb the receiver over the known (control) point.
6. Measure the height of the base station GNSS antenna by measuring the
slant height from the known (control) point to the auxiliary H.I. tool.
Note – Select “Bottom” as the measurement method, select “CHCi80” as
antenna type, and then enter the vertical height from the known (control)
point to the bottom of receiver that you calculated by adding the height of
the extension pole to the height from the known (control) point to the
auxiliary H.I. tool, the CHC LandStar 6 will calculate the height to the
Antenna Phase Center (APC) automatically.
7. If required, connect the receiver to an external 12 V power supply.
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