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1.
MOUNTING
Do not apply paint, anti-corrosive sealant or contact spray to
coating or plastic parts of the equipment.
Those items contain organic solvents that can damage coating and
plastic parts, especially plastic connectors.
1.1
Antenna Unit
1.1.1
Mounting location
Refer to IMO resolutions A663(16) and A.807(19), as amended.
• There should be no interfering object within the line-of sight to the satellite. Objects
within line-of sight to a satellite, for example, a mast may block transmission/recep-
tion. Mount the antenna unit as high as possible. This keeps it free of interfering ob-
jects and water spray. The location should be well away from a GPS antenna. A
GPS receiver may be interfered by the Inmarsat C wave.
• If Inmarsat ship earth stations other than C are installed, separate the Inmarsat an-
tenna at least 8 m.
• Separate the antenna unit from an S-band radar as follows:
2 m
• The allowable vibration level as specified by Inmarsat is as shown in the table be-
low.
Frequency
2 to 10 Hz
10 to 100 Hz
NOTICE
INSTALLTION
ZONE
15
2 m
5 m
S-band radar
Allowable vibration level
2.54 mm Peak Amplitude
9.8 m/s2 Peak Acceleration
Install above this line
PROHIBITED
ZONE
1.5 m
HORIZONTAL LINE
Level
1-1
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