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Chapter C
Installing Antennas
Table C-6. Antenna Cable Specifications (Continued)
Measured Loss
Cable Type
(@1.575 GHz dB
LMR-400
0.051 dB
LMR-400
0.051 dB
Installing Antennas
This section provides a procedure for installing a GPS antenna. Before beginning
the installation, review
necessary tools and materials described in
on page 115.
Antenna Connection Overview
The TimeProvider 100 chassis has one antenna connection located on the front
panel. The antenna connection is made via a SMA connector, labeled GPS. The
connectors are DC isolated and AC bypassed to frame ground. This connection is
used for a radio receiver antenna connection only. Installation procedures for GPS
antennas are outlined below.
Planning the Installation
Prior to installing the antenna, you should plan the site, antenna location, grounding
scheme, cable route, and all other details.
Locating the Antenna
Use
Figure C-1
112 TimeProvider 100 User's Guide
DC Resistance
( per foot)
per foot)
Shield – 0.00165
Center – 0.00139
Shield – 0.00165
Center – 0.00139
Planning the
as a guide to locating the antenna.
Type Center
Conductor
0.109 inch Solid
0.27686 cm
Installation, on page 112, and gather the
Antenna Installation Tools and
098-00106-000 Revision A – March, 2009
Flammability
2
Solid
Materials,
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