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GPS Antenna Installation - All Units
The antenna can be mounted on any flat surface, provided you have ac-
cess behind the surface for the mounting screws. A magnet is also sup-
plied that can be epoxied to the bottom of the antenna. A pole mount
adapter lets you mount the antenna on a pole or swivel mount that uses
standard 1" - 14 threads. The antenna has 25 feet of cable. Do not cut or
splice this cable.
Surface Mount
The antenna can be easily installed on any flat surface that is at least 90
mm (3 1/2") wide. Make certain that a clear view of the sky is available at
the selected location. Since the GPS signals travel “line-of-sight”, nearly
anything blocking the antenna can potentially obstruct the unit from find-
ing a satellite. Do not mount it in front of radar antennas. They radiate high
energy that can interfere with the GPS signal.
Once you’ve determined the mounting location, use the template on page
51 in this manual to drill the holes for the screws. The screws, supplied
with this antenna, are 4mm x 30mm. (about 1 1/8" long). Drill 4.75 mm (3/
16") holes for the mounting screws. If you route the cable through the
mounting surface, you’ll need to drill a 25 mm (1") hole for the cable.
There is a notch in the antenna housing that allows the cable to pass
through to the outside, instead of routing it through the mounting surface.
After drilling the holes, pass the o-ring over the antenna cable and press
it into the groove on the bottom of the antenna housing. Now attach the
antenna to the mounting surface, using 4mm screws and the supplied
lock washers. Route the cable to the GPS receiver and the antenna in-
stallation is finished.