Operators and Installation Manual RA-2500 AIS Receiver.pdf - Jotron
Operators and Installation Manual RA-2500 AIS Receiver.pdf - Jotron
Operators and Installation Manual RA-2500 AIS Receiver.pdf - Jotron
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For optimum performance of the transponder approximately +10dB gain should be available<br />
when the cable attenuation has been subtracted from the GPS antenna preamplifier gain. Note<br />
that Procom <strong>AIS</strong>2/GPS <strong>and</strong> Comrod AC17-<strong>AIS</strong> are combined VHF/GPS antennas <strong>and</strong> additional<br />
attenuation from connectors/ diplexer must be taken in consideration. Some examples below:<br />
Cable Type Antenna Preamplifier Gain<br />
(dB/100m)<br />
Recommended cable<br />
length (m)<br />
RG58 Procom GPS4 30