COBHAM SAILOR Fleet One Manual de Instalação Página 22

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Chapter 2: Installation
98-141368-A 14
Antenna cable modem-attenuation at 54 MHz: max. 4 dB.
Antenna cable modem-attenuation at 36 MHz: max. 3 dB.
Antenna cable loop DC-resistance max: 1 Ohm.
Also ensure that the specified minimum bending radius is respected. If this is not the case, the
loss in the cable will increase. Check the instructions from the cable supplier.
Important mounting notes
Water intrusion
After having connected the antenna cable to the antenna, ensure that the connector assembly
is properly protected against seawater and corrosion. As a minimum, use self-amalgamating
rubber.
If possible, install the radome such that direct spray of sea water is avoided.
It is recommended not to use pneumatic tools for cleaning the radome, especially at a short
distance and directly at the split between top and bottom.
Note that the SAILOR Fleet One antenna is drained for condensation through the gasket in the
bottom centre. Make sure the requirements to drainage are met. See the next section
Condensation.
Condensation
In some cases there will be condensation inside the radome. The gasket in the bottom centre
of the SAILOR Fleet One antenna is designed to lead any water away from the radome. Make
sure the drainage gasket is not blocked when you mount the antenna.
Drainage gasket
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