Try putting your laptop in airplane mode. My guess is the SpecAn is in very close proximity to the laptop. That horizontal slope indicates the wispy is VERY close to a wifi device (aka your surface). That's why it looks like OFDM, because it is. Getting your wispy close to an AP will look the same.
Sent from my iPhone > On Mar 8, 2017, at 1:56 PM, Gray, Sean <sean.gr...@uleth.ca> wrote: > > Nope, the spectrum analyzer is going directly into a Surface Pro 2. > > > From: The EDUCAUSE Wireless Issues Constituent Group Listserv > [mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Jake Snyder > Sent: March-08-17 1:30 PM > To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > Subject: Re: [WIRELESS-LAN] 2.4 GHz Interference > > Are you using a USB 3.0 hub? > > > On Mar 8, 2017, at 1:23 PM, Jason Heffner <jdh...@psu.edu> wrote: > > I’ve seen something similar when running some of the older Cisco controllers. > If you ruled out everything else and are starting to look for devices causing > interference I'd check out some of your wireless mic systems. We had some > 800Mhz that we had to salvage that were causing harmonic distortion on 2.4GHZ > similar to this on the lower channels. > > On Mar 8, 2017, at 2:32 PM, Gray, Sean <sean.gr...@uleth.ca> wrote: > > Hi Everyone, > > I’ve been doing a little spectrum analysis around campus and I keep seeing > the same interference signature in different buildings. I was wondering if > anyone had seen anything like this before. It is typically visible for well > over 10 minutes at a time and then it completely disappears. > > Thanks > > Sean > > > Sean Gray | B.Sc (Hons) > Voice, Collaboration & Wireless Network Analyst > ITS, University of Lethbridge > > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/discuss. > <Unknown Interference Source.PNG> > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/discuss. > > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/discuss. > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/discuss. ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/discuss.
