[CW] Weird CW signals

[D.J.J. Ring, Jr.]

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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