I've seen this happen too. It's funny, if we plug the computer right into the radio it goes away. Use a router and it's back.
We're just going to replace the cat 5 with shielded cable and see what happens. marlon ----- Original Message ----- From: <e...@wisp-router.com> To: "WISPA General List" <wireless@wispa.org> Sent: Sunday, March 29, 2009 9:24 PM Subject: Re: [WISPA] harmful RFI from ethernet to HAM RADIO? > Yes that would be ethernet. Gets some cable ferrules and put on the > ethernet right next to the radio another right at the exit from the poe > and another right as cat5 cable goes into poe and finally one right where > the cat5 cable goes into switch and computer. > > Might also consider using heavy outdoor rated shielded cat5 cabling > between poe and unit. > > /Eje > Sent via BlackBerry from T-Mobile > > -----Original Message----- > From: "Kurt Fankhauser" <k...@wavelinc.com> > > Date: Sun, 29 Mar 2009 23:56:12 > To: 'WISPA General List'<wireless@wispa.org> > Subject: [WISPA] harmful RFI from ethernet to HAM RADIO? > > > Has anyone else here ever been co-located on a tower with a HAM radio > (144-148mhz) VHF repeater or perhaps even a commercial system in the > 150mhz > band and gotten complaints that your Ethernet cable is causing them > interference on their repeater? We are trying to locate the source of > noise > on an amateur radio repeater system locally and last time I went up on > grain > leg there was a whole lot of Ethernet cabling strung everywhere and I've > read some links such as these. http://www.hamuniverse.com/linksys.html > that > apparently some brands of equipment give out much more spurious emissions > than others. > > > > Also how did you work with the radio people to solve it? Seems to only be > apparent in the VHF band. > > > > > > > > Kurt Fankhauser > WAVELINC > P.O. Box 126 > Bucyrus, OH 44820 > 419-562-6405 > www.wavelinc.com > > > > > > > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/