Motorola PTP 500 User's Guide Page 119

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PTP 300 and PTP 500 Series User Guide Mounting options for the PTP-SYNC GPS receiver
phn-1115_006v000
Sep 2010
2-31
Mounting the GPS receiver module on a metal tower or mast
If mounting the GPS receiver module on a metal tower or mast (Figure 2-13), select a
position that meets the following requirements:
It must not be mounted any higher than is necessary to receive an adequate
signal from four GPS satellites.
It must be protected by a nearby lightning air terminal that projects further out
from the tower than the GPS receiver module.
It must meet all the requirements stated in Protection requirements for a mast or
to
wer insta
llation on page 2-17.
Figure 2-
13 Grounding and lightning protection for GPS receiver on tower or mast
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