With two new FM stations moving onto the tower I am on, I need to solve the FM noise problem once and for all. I've been using Ferrites on each end of the Ethernet cable and its been pretty successful but I need to add a couple more antennas so I am considering conduit.
This is not my area of expertise but from what I read, it sounds like running conduit up the tower (only 75' for my antennas) is the best long term solution? My plan was to buy some 3/4" EMT in 10' sections and clamp it to the tower from bottom to top and run my shielded cables inside of that. Is that the route to go? I am guessing I want to keep my service loops at the top of the conduit pretty short or I negate what I just did. I do have longer loops at the bottom in the building so my Ethernet cables are longer than my antenna ground wires. I'm planning on not putting Ferrites on the cables that are in the conduit. Tower has 5 FM stations on it, a 900mhz paging company and two UHF DTV stations - along with some other 5 Ghz stuff. The FM stations are "lower" power (250 - 400 watts) but it sounds like those are the culprit for Ethernet issues (other than AM which is no where near this tower). Thanks for the advice.
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