Figure 6: Gps-Only Antenna (An150) - NorthStar GM1708 961X Installation Manual

961 INSTALLATION MANUAL Revision A

Figure 6: GPS-only antenna (AN150)

Wiring the AN150 antenna
Supplied with the antenna is a 50-foot length of RG-59 coaxial cable for
use with either the GPS-only AN150 "active" antenna (as well as the GPS/
DGPS AN205-P "combo" antenna).
The GPS-only antenna must be used with a minimum of 20
feet of cable, and no more than 100 feet. Any unused length
must be coiled up; do not cut it to less than 20 feet!
Mounting the AN150 antenna
Tools needed:
flat-bladed screwdriver
•
knife blade
•
Amphenol crimp tools
•
One TNC connector is pre-attached to the antenna-end of the RG-59
coaxial cable. Connection to the antenna itself involves the following
steps:
1. Remove the antenna base by loosening the four captive screws in the
base.
2. Screw the base onto the top of the antenna mount (standard 1"-14
marine thread).
SECTION TWO - Installation
A N TE N N A
O -RING
A D AP TER
CAPTIVE SCREW
CAUTION!
Page 17