[CW] Weird CW signals

John johnk5mo at gmail.com
Fri Jan 30 17:58:46 EST 2026


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Wide FSK Intruder Reappears On 40m Band | Signal Phantom"
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On Fri, Jan 30, 2026 at 5:57 PM John <johnk5mo at gmail.com> wrote:
>
> https://www.youtube.com/watch?v=d3j246g3Wpg
>
> On Fri, Jan 30, 2026 at 5:53 PM Donald Kemp <nn8b.oh at gmail.com> wrote:
> >
> > Not making any sense.
> > Tried to let fldigi copy it but it was just garbage.
> >
> > Would spread spectrum look like that?
> >
> > On Fri, Jan 30, 2026 at 5:50 PM John <johnk5mo at gmail.com> wrote:
> >>
> >> 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?
> >> >> >
> >> >> > ______________________________________________________________
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> >> >> > =30=
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> >> >> =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
> >> > ______________________________________________________________
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> >> > =30=
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> >> =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
> > ______________________________________________________________
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> > =30=


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