Think I'm going to give this a try, maybe with a couple of modifications to give it more of a 360 capability.
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I bought the hardware to make one for myself today. I did change the design by adding a 2' piece of 2" pvc pipe to make it capable of being able to rotate 360 degrees. The cabling will go inside the 1 1/2 " pipe, the 1 1/2" pipe will go inside the 2" pipe, which will have the magnet attached to it. Then the1 1/2" pipe can be rotated to allow me to look into other directions.
I love the idea of being able to use it on boat slips as well as the front of my pontoon.
Hard to wait till my Live Scope system arrives to try it out.