Chapter 4
KGC-1
Installation
Operation
Manual
requirements of item (10) and install the GPS Antenna as far as possible from the antennas described
in item (1) to item (9). Put the GPS Antenna as trial on a promising site to make sure that the unit
operates as specified before fixing the GPS Antenna position and then fix the antenna firmly. The GPS
Antenna installed in an improper site may result in poor bearing accuracy and positioning error that
may lead to potential hazards.
GPS Antenna
4 m or more
4 m or more
1 m or more
Avoid radar beam illumination
(30
o
to 40
o
)
5 m or more
See
NOTE
1.5 m or more
4 m or more
[Do not scale]
Radar beam
MF/HF Inverted-L
Antenna
Loop Antenna
Inmarsat Antenna
3 m or more
1 m or more
Receiving Whip Antenna
HF Whip Antenna
VHF Whip Antenna
NOTE
: Keep away from metallic objects at least 0.5 m.
Fig. 4.1 Recommended GPS Antenna installation
4.4.2
Siting the Processor unit
(1) Select a safe location free from dampness, water splash, rain and direct sun light.
(2) Keep service space, especially for the cable connecting part.
(3) Keep the unit as far from radio equipment as possible.
(4) Keep compass safe distance from magnetic compass; standard: 0.4 m, steering: 0.2 m.
4-2
93121652-00
