[CW] Russian Woodpecker Story

[Stan Barr]

On 09/11/11 04:12, k3miy at csonline.net wrote:
> David
>
> I think this is something different than the woodpecker. If I remember
> correctly, the woodpecker was an over the horizon radar, used for propagation
> research. Someone built and marketed a device that would cancel the tones
> (pulses actually) by adjusting pulse width and switching the phase to cancel
> the noise. I don't know how effective this gadget was.
>
> Ron
> K3MIY
>

Made bt Datong.  I've still got one around somewhere, very effective.
It disconnected the receive antenna during the pulses so it didn't 
affect the agc.

-- 
Cheers and 73,
Stan Barr  G0CLV  G-QRP 3369   g0clv at dsl.pipex.com

"Never leave well enough alone." -  Raymond Loewy