The Nautel doesn’t ramp. It’s all or nothing.
> On Apr 20, 2019, at 13:03, Chuck McCown <[email protected]> wrote: > > Would you be allowed to ramp up the RF and see what levels cause what kinds > of problems? > > From: Chuck McCown > Sent: Saturday, April 20, 2019 10:47 AM > To: AnimalFarm Microwave Users Group > Subject: Re: [AFMUG] Fwd: CAT5. FM. And Rain > > Do you have perhaps a grounding issue at one end or the other? Most ethernet > devices have phy transformers that ground directly or through a capacitor. > Ground potential differences between one end and the other can cause a > problem like this. > > If you are connected to an earth ground that changes with moisture then > perhaps a ground loop is causing problems. This seems backwards but it may > be ground related somehow. > > Fiber > Spray water > Liquidtight > > I hate to suggest the intermod theory as it seems a bit unlikely to have > intermod strong enough to interfere with an ethernet signal, but not too many > things left to think. > > > > From: Matt Hoppes > Sent: Saturday, April 20, 2019 10:41 AM > To: AnimalFarm Microwave Users Group > Subject: Re: [AFMUG] Fwd: CAT5. FM. And Rain > > The issue has gotten worse over the last two years. With it be terrible right > now. > > We just reran cable last month. All new cable and radios. And still having > the issue. > >> On Apr 20, 2019, at 12:03, Chuck McCown <[email protected]> wrote: >> >> You would have to climb it with a garden sprayer strapped to your back. >> I am more of the opinion of the corroded RJ45. >> >> From: Matt Hoppes >> Sent: Saturday, April 20, 2019 8:42 AM >> To: AnimalFarm Microwave Users Group >> Subject: Re: [AFMUG] Fwd: CAT5. FM. And Rain >> >> Not in liquidtight. >> >> Have ground lifted and grounded. No change. >> >> Have not wet things (would be difficult - no ready source of water) >> >> Obviously RF is getting into the Ethernet, when things are wet. I’m just >> trying to figure out why. Clearly a connection is being made somewhere it >> shouldn’t be. >> >> >> >>> On Apr 20, 2019, at 09:58, Chuck McCown <[email protected]> wrote: >>> >>> So moisture + rf = Ethernet interference. Just as originally stated. No >>> standing waves. >>> Is your cat5 in liquidtight? Have you played with grounding & ungrounding >>> the shields? How about taking a garden sprayer and selectively wetting >>> things? >>> >>> Sent from my iPhone >>> >>> Begin forwarded message: >>> >>>> From: Matt Hoppes <[email protected]> >>>> Date: April 20, 2019 at 7:52:12 AM MDT >>>> To: Chuck McCown <[email protected]> >>>> Subject: Re: [AFMUG] CAT5. FM. And Rain >>>> >>>> Yes. Problem goes away. >>>> >>>>>> On Apr 20, 2019, at 09:51, Chuck McCown <[email protected]> wrote: >>>>> >>>>> Have you killed the ref when you are having the problem? Might >>>>> not be ref related. >>>>> >>>>> Sent from my iPhone >>>>> >>>>>>> On Apr 19, 2019, at 7:11 PM, Matt Hoppes >>>>>>> <[email protected]> wrote: >>>>>> >>>>>> 19watts >>>>>> >>>>>>>> On 4/19/19 8:58 PM, Chuck McCown wrote: >>>>>>> What is the reflected power when you are having problems? >>>>>>> Sent from my iPhone >>>>>>>>> On Apr 19, 2019, at 6:41 PM, Matt Hoppes >>>>>>>>> <[email protected]> wrote: >>>>>>>> >>>>>>>> My thoughts too. But the reflected power right now is only 19watts out >>>>>>>> of 9,000. >>>>>>>> >>>>>>>>>> On Apr 19, 2019, at 20:14, 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 >>>>>>>> >>>>>>>> -- >>>>>>>> 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 >> -- >> 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 > -- > 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
-- AF mailing list [email protected] http://af.afmug.com/mailman/listinfo/af_af.afmug.com
