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Attenuation values
Type
GPS-Antenna
GPS-Antenna
Comb. GPS/VHF-Antenna
Cable
Adapter
Connector
Example
Procom GPS4
11m RG214 0,35 dB/m
maybe 2 TNC plugs
Nauticast with Adapter P/N 2610
Total
Necessary minimum attenuation
(=> 12dB Attenuator needed!)
GPS Input
Attention
If installations are not in compliance to this requirement we cannot guarantee operation nor
accept a warranty issue.
Antenna Layout
The position of the VHF and GNSS – antennas must be added to the existing antenna layout
of the vessel.
3.14 Power Supply
The NAUTICAST must be supplied from the emergency power source. A new battery
capacity calculation must be undertaken. See sample in 9.1 (Samples for battery calculation)
Following documents are needed for the installation approval of the classification
Antenna Layout (arrangement)
Battery Calculation
Connection / Block – Diagram with locations
Type Approval Certificate
Installation Manual
Name
GPS-Antenna Marina 2
Procom GPS4
Comrod AC-17
RG214
GPS-VHF Adapter cable with
1m RG58 / TNC connector
TNC plug RG214 crimp
+ 35.00dBi
- 3.85dB
- 0.20dB
-1.00dB
29.95dB
≥11.95dB
≤18.00dB
31
Part number
Total gain
2625
+35dBi
2622
+35dBi
2624
+20dBi (GPS amp gain)
2630
-15.75 dB
2612
-1dB
2633
-0.1dB
Y1-03-0212 Rev. E
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