Originally we were going to have the radar mounted on the radar arch (go figure), but when we got the new radar it came with a mast mount and we decided to use it. So that freed up the starboard side of the arch on the stern for mounting our various electronics. The items mounted on this control tower include:
AIS gps antenna (the mushroom shape)
AIS vhf antenna
WIFI access point (the elongated box)
WIFI omni-directional 8db gain antenna (the tall white stick)
WIFI directional 15db gain antenna (the square thing)
I used a pvc pipe and fittings to mount the various components, then through bolted the gray PVC pipe to the stern pole. Ran the wires into a hole in the pvc, down through the pole, out the bottom, and into the hull through a cable clam. I used spiral wrap on the wires where they went through the hole and out the bottom of the pipe, to prevent chafing against the edges. I used dielectric grease on all connections, periodically refreshed, and periodically sprayed the whole shabang with T-9 to discourage corrosion.
It worked really well. Eventually I ditched the square antenna because it was too directional to be useful with the WIFI setup; the omni-directional antenna worked fine.
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