Training, Installation & Service Manual - Livewire Connections Ltd

Installation check list: Antenna
Step Task Further information Done
7. Check that the mounting
height of the antenna is in
accordance with the ship’s
min. roll period.
8. Make sure that the
requirements for mast
foundation and height,
including flatness, gusset
plates and distance from
welding seams are met.
9. Make sure that the distances to
radar, Inmarsat systems, GPS
receivers and other
transmitters are as required.
10. Make sure that the drain tube
is open and risk for water
intrusion is at a minimum.
11. Check that the ADU is
grounded correctly, using the
mounting bolts.
See Ship motion and offset
from the ship’s motion
centre on page 3-7.
See ADU mast design:
Foundation and height on
page 3-8.
See Interference on page 3-
13.
See Other precautions on
page 3-17.
See Grounding the ADU on
page 3-23
and
Grounding and RF
protection on page F-1.
Table 7-1: Installation check list: Antenna (Continued)
7-2 Chapter 7: Installation check 98-133966-E2