[GreenKeys] on-off radio teletype (not FSK)

[Jim Haynes]

On Sat, 17 Feb 2018, tony.podrasky wrote:

> That's TRUE!
>
> I had several times when I'd go on a dead spot,
> send some RYs and then find a guy chucking carriers
> on the frequency. When I moved in either direction,
> he'd more there too.

Incidentally, Irv Hoff wrote in some publication that after we all went
to narrow shift the incidence of that kind of activity decreased
considerably.