Most of them are clear LOS Sent from my iPhone
Kurt Fankhauser Wavelinc Communications P.O. Box 126 Bucyrus, OH 44820 http://www.wavelinc.com tel. 419-562-6405 fax. 419-617-0110 > On Jan 23, 2015, at 7:39 PM, Ken Hohhof <af...@kwisp.com> wrote: > > Are these all clear LOS shots with good Fresnel clearance and no multipath? > If not, the variation may be normal. > > From: Kurt Fankhauser > Sent: Friday, January 23, 2015 6:34 PM > To: af@afmug.com > Subject: Re: [AFMUG] pmp450 chain signal ratio variation > > Yea i am running 13.2 on eveything, and yes I know the ones with 20db > varition probably have been idle. I have even seen them get full speed > linktests while they showed the 20 db difference, i think it was a software > glitch on the sessions page. > > Sent from my iPhone > > Kurt Fankhauser > Wavelinc Communications > P.O. Box 126 > Bucyrus, OH 44820 > http://www.wavelinc.com > tel. 419-562-6405 > fax. 419-617-0110 > >> On Jan 23, 2015, at 7:13 PM, Ken Hohhof <af...@kwisp.com> wrote: >> >> The ones that are 20 dB difference, I would first run a couple linktests >> through them to see if some data makes them read right, it might just be >> cosmetic. >> >> I would also makes sure you are on 13.2 (final) FW at both AP and SM. I >> have experienced strange things with mismatched 450 FW between AP and SM. >> Also at some point, I forget exactly where, I believe Cambium did something >> to get the numbers and/or tone alignment to work better on a link with no >> data flowing. >> >> >> From: Kurt Fankhauser >> Sent: Friday, January 23, 2015 3:43 PM >> To: af@afmug.com >> Subject: [AFMUG] pmp450 chain signal ratio variation >> >> I have a 3.65ghz 450 AP with a 120 degree KPP sector that I suspect I have a >> significant chain variation between Chain A and Chain B. What is more likely >> to be the issue? A bad pigtail or a problem with the KPP sector? The AP has >> been up for 6 months and it has had this problem since day 1 but lately it >> seems to becoming worse. Most of the subs are only getting about half what >> they should be getting on the link tests with the exception of some clients >> that are more towards the center of the sector beam width they are getting >> about 75% on the linktest. I attached a screenshot of my sessions page with >> power levels. Any thoughts? I would replace the pigtails first but the >> weather isn't exactly fit for climbing this particular tower. >> >> >> >> Kurt Fankhauser >> Wavelinc Communications >> P.O. Box 126 >> Bucyrus, OH 44820 >> http://www.wavelinc.com >> tel. 419-562-6405 >> fax. 419-617-0110
