Chuck is likely correct. Most likely bad connectors are the most likely cause. The situation can be made worse by a trashy tower. A tower with a lot of brackets or appurtances that are unused with loose brackets and such can increase the noise level on a tower significantly.
On Fri, Apr 19, 2019, 7:15 PM Chuck McCown <[email protected]> wrote: > My guess is that the FM station has a problem with the antenna or > transmission line. Moisture throws off impedance somewhere and you have a > strong standing wave on the transmission line. Probably a bad connector. > > Sent from my iPhone > > > On Apr 19, 2019, at 5:52 PM, Matt Hoppes < > [email protected]> wrote: > > > > Looking to the wisdom of the AF group on this. > > > > I have some equipment on an FM tower. It’s a 9kw station around 150ft. > We are at 250ft with two sectors and a backhaul. Netonix switch in > shelter. > > > > Nothing else on the tower. > > > > Normally all is fine. When it rains or is very moist out (heavy heavy > fog) we start having major Ethernet negotiation issues. The ports will go > from 1Gig to 10F sometimes. Sometimes drop completely. > > > > I’ve got ferrite beads wrapped about 5 times top and bottom. > > > > Any further words of wisdom on what to try? I suspect some odd > grounding issue. But not sure how to track it down or isolate it. > > -- > > AF mailing list > > [email protected] > > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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