Mounting Considerations For Three Antennas - Furuno SC-50S Operator's Manual

1. INSTALLATION
1.1.2

Mounting considerations for three antennas

1) Install antenna unit GPS1 where it meets the requirements for single
antenna.
2) Install antenna unit GPS2 where it meets the following conditions:
•
The mounting location shall meet the requirements for single antenna.
•
GPS2 shall be closer to the bow than GPS1.
•
The distance between GPS1 and GPS2 shall be more than 50 cm and within
the 5 m.
•
The distance between GPS1 and GPS2 shall not change by more than 1 cm.
•
There shall be no interfering objects between GPS1 and GPS2.
•
If the GPS1 and GPS2 cannot be installed perpendicular to one another, the
angle between the two shall be ±30°. The amount of offset in the bow direction
shall be manually input into the equipment as heading offset.
•
The angle between GPS1 and GPS2 shall not exceed ±30°.
Closer to bow than GPS1
Both antenna aligned with bow.
Further, alignment error should
be within ± °. Correct error
30
with offset.
No interfering
object in
this area
1-4
BOW
GPS2
More than 50 cm
and within 5 m
GPS1
Overhead view
Conditions for mounting antenna unit GPS2
More than 50 cm
within 5 m
Within
GPS1
Abeam view
GPS2
± °
30
Horizontal