Several years ago I had a similar situation where I needed to install a tri-plexer on top of a tower.? The feedline was being used for 6 M. and 2 M. repeater receivers, and 440 link transmitters.
Being concerned about whether the triplexer was properly weatherproofed, I mounted it inside a weatherproof metal box, with type N feedthrus, and attached it to a tower leg.? When I took it down some 10 years later, the inside of the box was clean and dry, and the triplexer looked almost new.? Of course, I had covered the coax connectors properly, and never ran into any problems with any of the jumper cables for the 6, 2 or UHF antennas (which, when using a di- or tri-plexer) can be of any appropriate length.
Good luck es 73, Gary? W3DTN
On Tuesday, September 11, 2018 9:31 PM, "john@... [Repeater-Builder]" wrote:
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Thank you for all the input. I know a diplexer would be needed at the bottom side at a minimum in addition to the Bp/Br duplexers for each repeater. The topside is what I was wondering about. The only diplexers I can find online so far are for microwave frequencies or the diamond and comet ones which are of concern to me since this will be up on the tower and I don't climb. Does anyone have a recommendation for something better ? I'm trying to go as worry free but reasonably priced as possible. I may ultimately forgo the 6m at the location if I have to. I have someone who will be climbing to put the antennas and feed line on the tower so I'm trying to keep things as compact as possible since they are donating their time.
