[Elecraft] OT: Request for EMI/RF Interference Opinion

[Walter Underwood]

For the “weebles”, check the excellent work done by the Region 1 IARU Monitoring System. In the newsletter, they publish waterfall pictures of the unidentified or digital QRM.

Main page:

http://www.iaru-r1.org/index.php/iarums-news

October newsletter:

http://www.iarums-r1.org/iarums/news2014/news1410.pdf

wunder
K6WRU
CM87wj
http://observer.wunderwood.org/

On Dec 3, 2014, at 4:33 PM, Walter Underwood <wunder at wunderwood.org> wrote:

> That page is on the same site as the fldigi docs, “The Sights and Sounds of Digital Signals”. That sounds like a paper I might have written during an all-nighter in college...
> 
> http://www.w1hkj.com/FldigiHelp-3.21/Modes/index.htm
> 
> wunder
> K6WRU
> CM87wj
> http://observer.wunderwood.org/
> 
> On Dec 3, 2014, at 4:29 PM, Charlie T, K3ICH <pincon at erols.com> wrote:
> 
>> There's also a website where you can hear what all the new and old digital signals sound like.   Sorry, I forgot what it was, but it should be easy enough to find.
>> 
>> I'm still wondering what those "weebles" signal are on 10 & 12 meters.  Now that I have a waterfall display, they're easy to spot.
>> 
>> They typically start high in frequency and end abruptly, some moving very fast and some slowly.
>> 
>> Probably just a Barsoomian invasion fleet.
>> 
>> 73, Charlie k3ICH
>> 
>> 
>> 
>> 
>> ----- Original Message ----- From: "Steve Glickstein" <w4fmd.steve at gmail.com>
>> To: <elecraft at mailman.qth.net>
>> Sent: Wednesday, December 03, 2014 6:43 PM
>> Subject: Re: [Elecraft] OT: Request for EMI/RF Interference Opinion
>> 
>> 
>>> The ARRL has identified and unidentified noise files at www.arrl.org/sounds-of-rfi. The old VE3HLS website doesn't seem to be around anymore.
>>> 
>>> 73
>>> 
>>> On 12/3/2014 6:27 PM, Mel Farrer via Elecraft wrote:
>>>> Good input.  I would like that link also.
>>>> Mel, K6KBE
>>>> 
>>>>      From: Eric Norris <norrislawfirm2 at gmail.com>
>>>> To: Ed G <ed.n3cw at gmail.com>
>>>> Cc: elecraft at mailman.qth.net
>>>> Sent: Wednesday, December 3, 2014 2:55 PM
>>>> Subject: Re: [Elecraft] OT: Request for EMI/RF Interference Opinion
>>>>   Somebody on this list once sent a link to a page that has recordings of all sorts of RFI sources.  I used it to track down an ultrasonic "pest repeller" that drives me nuts on 6m.  If I can find it again I'll send it on.  It may have been an ARRL page.
>>>> 
>>>> 73
>>>> 
>>>> Eric WD6DBM
>>>> 
>>>> Ed G <ed.n3cw at gmail.com> wrote:
>>>> 
>>>>> Hello,
>>>>>    I'm looking for someone with some background in EMI or RF interference
>>>>> to look at some very odd noise I am experiencing on 15 meters (it is heard
>>>>> on my K3 and KX3).  I can send a spectrum analyzer screen shot and a small
>>>>> audio file to help. After trying all the usual things and having no luck I
>>>>> need to get some opinions from someone with more experience; thanks!
>>>>> --Ed--
>>>>> 
>>>>> 
>>>>> 
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>> 
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