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

[Walter Underwood]

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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