[time-nuts] 1900kHz radiolcation testing on east coast US?

[Dr. David Kirkby (Kirkby Microwave Ltd)]

On 8 December 2014 at 07:24, Chris Wilson <chris at chriswilson.tv> wrote:
> This is audible here in the UK and elicited many comments on 160
> meters last night. Seen as oblique striations on SDR receiver displays
> and audible as a clicking sound. What the devil is it?
>
>        Best Regards,
>                    Chris Wilson.

A mutation of the woodpecker.

Dave