For the record, WISPA hired an RF Engineer to go out and triangulate the
interfering signal to see where it was coming from.  The results of his
testing were inconclusive.  Meanwhile, the FAA had an investigative team
trying to locate the source as well.  We have not heard back from the FAA
Investigation Team manager on their findings.  He supposedly went on leave
shortly after the date the interference was extinguished.  So, we really do
not know where it was coming from nor how it was terminated.  I personally
made several phone calls and emails to entities outside of the WISPA
membership and the WISP industry the morning the interference went away.
Our outreach could have corrected the situation, the FAA investigative team
could have found the source and shut it down or the TDWR system could have
had a false report caused by a software glitch that was corrected when it
was shut down for maintenance and then restarted 24 hours later (actually
shut down so the interference source could be found easier).

I hope that helps, but at this time, it is all of the information we know.

Respectfully,

Rick Harnish
Executive Director
WISPA
260-307-4000 cell
866-317-2851 Option 2 WISPA Office
Skype: rick.harnish.
rharn...@wispa.org
adm...@wispa.org (Trina and Rick)





> -----Original Message-----
> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
> Behalf Of Josh Luthman
> Sent: Thursday, December 15, 2011 2:52 PM
> To: spie...@avolve.net; WISPA General List
> Cc: j...@mvn.net
> Subject: Re: [WISPA] Chicago TDWR down for maintenance
> 
> Jack Unger was playing with a Ubiquiti grid last I heard.
> 
> Josh Luthman
> Office: 937-552-2340
> Direct: 937-552-2343
> 1100 Wayne St
> Suite 1337
> Troy, OH 45373
> 
> 
> 
> On Thu, Dec 15, 2011 at 12:48 PM, Stuart Pierce <spie...@avolve.net>
> wrote:
> > All I wanted to know is who WISPA hired to find the
> > interference, I didn't mean anything conspiracy theory about
> > asking. I apologize if anything other than the simple who did
> > the sweeping conjured up anything other than.
> >
> > ---------- Original Message ----------------------------------
> > From: John Scrivner <j...@mvn.net>
> > Reply-To: j...@mvn.net, WISPA General List <wireless@wispa.org>
> > Date:  Thu, 15 Dec 2011 07:14:13 -0600
> >
> >>The interference in Vegas went away and we never found where it
> > came from.
> >>Scriv
> >>
> >>
> >>On Wed, Dec 14, 2011 at 9:01 PM, Josh Luthman
> >><j...@imaginenetworksllc.com> wrote:
> >>> As far as I can see on wunderground.com it looks to be
> > cleared up.
> >>> Didn't hear any word from WISPA.
> >>>
> >>> Josh Luthman
> >>> Office: 937-552-2340
> >>> Direct: 937-552-2343
> >>> 1100 Wayne St
> >>> Suite 1337
> >>> Troy, OH 45373
> >>>
> >>>
> >>>
> >>> On Wed, Dec 14, 2011 at 4:04 PM, Rubens Kuhl
> > <rube...@gmail.com> wrote:
> >>>> Is the Las Vegas radar still suffering interference ?
> >>>>
> >>>>
> >>>> Rubens
> >>>>
> >>>>
> >>>> On Wed, Dec 14, 2011 at 3:28 PM, Josh Luthman
> >>>> <j...@imaginenetworksllc.com> wrote:
> >>>>> http://tinyurl.com/7lzyts8
> >>>>>
> >>>>> Interesting.
> >>>>>
> >>>>> Josh Luthman
> >>>>> Office: 937-552-2340
> >>>>> Direct: 937-552-2343
> >>>>> 1100 Wayne St
> >>>>> Suite 1337
> >>>>> Troy, OH 45373
> >>>>>
> >>>>>
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> > ________________________________________________________________
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