I would guess no. Sent from my iPhone
> On Aug 13, 2019, at 5:36 PM, Ken Hohhof <af...@kwisp.com> wrote: > > Is solar interference polarized, such that it would affect only one > polarization in a dual pol link? > > From: AF <af-boun...@af.afmug.com> On Behalf Of Forrest Christian (List > Account) > Sent: Tuesday, August 13, 2019 6:18 PM > To: AnimalFarm Microwave Users Group <af@af.afmug.com> > Subject: Re: [AFMUG] 820 Support Help > > One thing to look at that often gives you a hint as to the cause is the the > signal strength during the period of interest. > > An interferer rarely causes the signal level to drop. Instead the noise > (and sometimes the signal) level rises to the point where the radio cannot > maintain a link. > > I've also seen where too strong of a signal can cause this issue. The > signal gets strong enough that the receiver saturates and the radio cannot > maintain a reliable link. > > A brief dropoff would indicate something in the path. I.E. delivery truck > fade. > > I also am aware of certain links which have once a day problems when the sun > becomes an interference source. This is of course only a few days a year and > only for the brief period of time that the sun is sitting directly behind the > transmitter. > > On Tue, Aug 13, 2019 at 5:10 PM Ken Hohhof <af...@kwisp.com> wrote: > Is there anything he can do to confirm interference or rule it out, short of > coordinating a different set of frequencies (assuming that is even possible)? > > What do the big carriers do in such a case? Can the radios monitor for > signal level if the other end is muted? Sending someone up the tower with a > spectrum analyzer and a waveguide adapter seems not feasible if this happens > for 5 minutes a couple times a day. > > Cambium saying it “might be interference” doesn’t seem particularly helpful > unless you can test their theory. > > > From: AF <af-boun...@af.afmug.com> On Behalf Of dave > Sent: Tuesday, August 13, 2019 4:38 PM > To: af@af.afmug.com > Subject: Re: [AFMUG] 820 Support Help > > > If it is interference then I would be checking with comsearch or one of the > other coordinators to see if anything recent has been issued for license. > If not then a re-check on alignment would be the other step taken. > > > <image001.jpg> > On 8/13/19 12:43 PM, Nate Burke wrote: > Any cambium 820 support people lurking on here? I've been having trouble > with an 18ghz 820C link since the beginning of July and My support ticket > only get's updated by Cambium every couple days. I was hoping that there > might be someone who would be able to help me out with a little quicker > turnaround. > > It's modulating way down on 1 chain in 1 direction a couple times per day, > for less than 5 minutes. Most of the time it works fine. The last work from > support was that they think it might be interference. I'm hoping to get a > little more direction in trying to track down what's going on, but with only > a few responses per week, I'll be working on this until Christmas. > > Thanks, > Nate > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > -- > - Forrest > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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