[CW] Weird CW signals
John
johnk5mo at gmail.com
Fri Jan 30 17:49:43 EST 2026
That's the ones!
They've been on and off 40M for some months now. If you try and copy
what sounds like CW at times, you'll notice that it repeats.
John K5MO
On Fri, Jan 30, 2026 at 5:47 PM Donald Kemp <nn8b.oh at gmail.com> wrote:
>
> I amseeing them on
> 7041.50 kHz
> 7048.50 kHz with a digital sig like ft8
> 7061.50 kHz with a digital sig like ft8
> 7068.50 kHz
>
> On Fri, Jan 30, 2026 at 5:22 PM John <johnk5mo at gmail.com> wrote:
>>
>> This is some sort of very slow wide shift FSK .
>>
>> I've seen it reported elsewhere and heard it here too.
>>
>> John K5MO
>>
>> On Fri, Jan 30, 2026 at 5:07 PM D.J.J. Ring, Jr. <djringjr at gmail.com> wrote:
>> >
>> > People are reporting these strange CW signals across the 40m band.
>> >
>> > Weird CW signals
>> >
>> > Perhaps they are trying to emulate a mechanical key with no audio control (although a vertical wouldn’t sound like that)
>> >
>> > But what could be a purpose?
>> >
>> > Another weird thing is that those sigs are present on four frequencies simultaneously with S9+:
>> >
>> > 7041.50 kHz
>> > 7048.50 kHz
>> > 7063.00 kHz
>> > 7070.00 kHz
>> >
>> > Weird CW on 40m.
>> >
>> > Any thoughts on this?
>> >
>> > ______________________________________________________________
>> > CW mailing list
>> > Home: http://mailman.qth.net/mailman/listinfo/cw
>> > Help: http://mailman.qth.net/mmfaq.htm
>> > Post: mailto:CW at mailman.qth.net
>> > CW List ARCHIVES: http://mailman.qth.net/pipermail/cw/
>> > Unsubcribe send email to
>> > cw-unsubscribe at mailman.qth.net
>> > Subscribe send email to cw-subscribe at mailman.qth.net
>> > Support this email list: http://www.qsl.net/donate.html
>> >
>> > =30=
>> ______________________________________________________________
>> CW mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/cw
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:CW at mailman.qth.net
>> CW List ARCHIVES: http://mailman.qth.net/pipermail/cw/
>> Unsubcribe send email to
>> cw-unsubscribe at mailman.qth.net
>> Subscribe send email to cw-subscribe at mailman.qth.net
>> Support this email list: http://www.qsl.net/donate.html
>>
>> =30=
>
>
>
> --
> 73,
> Don, NN8B
> "Meanwhile, with ever increasing power, the telegraph has become not only the master of commerce, but the tongue of mankind." - James D. Reid, 1886
> ______________________________________________________________
> CW mailing list
> Home: http://mailman.qth.net/mailman/listinfo/cw
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:CW at mailman.qth.net
> CW List ARCHIVES: http://mailman.qth.net/pipermail/cw/
> Unsubcribe send email to
> cw-unsubscribe at mailman.qth.net
> Subscribe send email to cw-subscribe at mailman.qth.net
> Support this email list: http://www.qsl.net/donate.html
>
> =30=
More information about the CW
mailing list