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
