I have a 210ft run of 4 in smooth bore plastic cable duct going in a straight line 3ft underground from outside my shack to a small shed at the base of my tower. There is a brick-built man hole (aka
Excellent question. I wish I had an answer. I am planning to run 1 piece of LFD4-50A and three pieces of LDF5-50A to the shack. I have heard it can be buried, but would prefer conduit. I am now think
Great question Alan, I would like to know also. Mike W7PIM _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.
Mine is a medium-size station. I have two 230 ft runs of 7/8-in hard line laying on the ground, then running 120 ft up the tower. There's another run of cobbled-together coax, mostly 1/2-in, as well
I think the rule of thumb is to use a conduit twice the diameter of the cables. I remember having one heck of a time pulling two 7/8" hardlines through a 4" conduit for a C-band satellite installatio
Keith et al: When I worked at a local electric utility company designing substations, we had a design rule of thumb for conduit. The total area of the cables when all built out should equal 40% of th
I have direct buried hundreds of feet of Heliax. Telephone wires and cable TV coax are direct buried. Running 6" Schedule 40 PVC would be very costly and it is a lot of extra work to pull Heliax thou
I recently had an issue with intermittent SWR spiking. After running down all the connectors, checking for water seepage and replacing the coax switch and lightening arrestor, I finally found the iss