Antenna Cable Specifications; Antenna Coaxial Cables - Symmetricom TimeProvider 5000 User Manual

Appendix C Installing the GPS Antenna
Antenna Installation

Antenna Coaxial Cables

Symmetricom provides several low-loss cable types, as well as LMR-400 with
N-type connectors on both ends. Before using additional cables, verify that the total
antenna system gain is acceptable as described in the
Antenna section of Appendix D.
Table 6-10

cables
Table C-6

Table C-6. Antenna Cable Specifications
Measured Loss
Cable Type (@1.575 GHz dB
RG213/U 0.093 dB
(Belden 8267)
RG213/U 0.093 dB
(Belden 8267)
UHF/VHF 0.058 dB
(Belden 9913)
UHF/VHF 0.058 dB
(Belden 9913)
UHF/VHF 0.089 dB
(Belden 89913)
UHF/VHF 0.089 dB
(Belden 89913)
LMR-400 0.051 dB
LMR-400 0.051 dB
Antenna Installation
This section provides a procedure for installing a GPS antenna. Before beginning
the installation, review
necessary tools and materials described in
on page 476
472 TimeProvider 5000 User's Guide
in Chapter 6 of this User's Guide lists the optional antenna coaxial
provides antenna cable specifications
DC Resistance
( per foot)
per foot)
0.0030
0.0030
0.0027
0.0027
0.0027
0.0027
Shield – 0.00165
Center – 0.00139
Shield – 0.00165
Center – 0.00139
Planning the
Selecting the Proper Gain
Type Center
Conductor
Stranded 13 AWG
Stranded 2.62 mm
Solid 10 AWG
2
5.26 mm
Solid 10 AWG
2
5.26 mm
0.109 inch Solid
0.27686 cm
Installation, on page 473, and gather the
Antenna Installation Tools and
098-00028-000 Revision F – May, 2012
Flammability
U/L CSA
2 U/L CSA
Plenum U/L
CSA
Plenum U/L
CSA
2
Solid
Materials,