User guide

Building Your Canopy Network March 2005
Through Software Release 6.1
Issue 1 Page 261 of 425
Canopy System User Guide
◦ 12” adjustable wrench
◦ 7/16” wrench
◦ Needle-nose pliers
Mounting a GPS Antenna
Perform the following procedure to mount a GPS antenna.
Procedure 24: Mounting the GPS antenna
1. Ensure that the mounting position
◦ has an unobstructed view of the sky to 20º above the horizon.
◦ is not the highest object at the site. (This is important for lightning protection.)
◦ is not further than 100 feet (30.4 meters) of cable from the CMM2.
2. Select a pole that has an outside diameter of 1.25 to 1.5 inches (3 to 4 cm) to
which the flange of the GPS antenna can be mounted.
3. Place the U-bolts (provided) around the pole as shown in Figure 99.
4. Slide the GPS antenna flange onto the U-bolts.
5. Slide the ring washers (provided) onto the U-bolts.
6. Slide the lock washers (provided) onto the U-bolts.
7. Use the nuts (provided) to securely fasten the flange to the U-bolts.
end of procedure
Figure 99: Detail of GPS antenna mounting
19.4.1 Recommended Materials for Cabling the GPS Antenna
The following materials are required for cabling the GPS antenna:
◦ 100 feet (30.4 meters) of LMR200 coaxial cable