I've heard, in the last couple of days, that the ARRL Intruder Watch is
looking into this.
~Iain / N6ML
Dave Larson wrote:
> It's peaking at 10 over here at a heading of 130 degrees from SE Michigan.
>
> Dave, K8AA
>
> ----- Original Message -----
> From: "Kenneth Moorman" <n...@cox.net>
> To: <Elecraft@mailman.qth.net>
> Sent: Friday, March 27, 2009 11:44 AM
> Subject: [Elecraft] OT: Digital Signals on 20M
>
>
>> For the past several days I have been seeing a couple of powerful digital
>> signals, S9+, between 14.018 to 14.032MHz. They seem to be comprised of 4
>> or 5 discrete frequencies rapidly moving around in a bandwidth of about
>> 2Khz. When working with a narrow filter it is possible to work through
>> them, with difficulty. With a wide filter, 2.8KHz set to the center of
>> their bandwidth it sounds like a group of castanets clicking away with
>> slightly different tones. I might have just discounted them but for the
>> fact that I have just recently gotten a "poor man's" panadapter using a
>> Rockmite and Z10000 amp from Clifton Labs with the Rocky software
>> monitoring
>> my K3's IF output. These two signals have been here every time I get on
>> 20M
>> and are quite impressive in the amount of bandwidth they occupy. I have
>> not
>> seen this on any other band. Forgive my ignorance of digital modes, but I
>> just don't recall hearing this sort of signal before. Can anyone let me
>> know what this might be?
>>
>> Ken, NU4I
>>
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