> A neighbour in a unit separated only by a wall would play his sound system
> very very loud in the early hours of the morning (eg 2am - 3am).
>
> At that stage amongst my junk I had an RF Plastic Welder. 27 MHz ISM band.
> Possibly several kilowatts output.
>
> We placed the welder under the stairs against the internal common wall.
> Taped a 27 MHz 1/4 wave whip on the wall.
> Loaded the welder into the whip as best we could.
>
> Left filaments on and with a switch in HT so you could operate instantly.
>
> 3am. Loud music. Bleary eyed friend stumbles down stairs and presses

> Loud humming buzzing and other noises from next apartment. After a small
> while the sound system was turned off. The problem stopped very shortly
> after this but I'm not sure how much the welder had to do with it.
>
> Interestingly, the affect on a TV in my friends apartment was relatively
> minimal - distinct diagonal bars but picture still viewable.
>
>
>
>         Russell McMahon
>
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>