"apptech" wrote:
>>> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=310103712089
>>
>> Does it work?
>
> Almost certainly.
> Essentially a diode and pickup loop/wire and cheap meter.

I guess I was overthinking it.

When I was about 13, I built an HF generator. The instructions explained 
that the way to test it is to make a wire loop about 20 cm in diameter 
(IIRC), and connect the ends to a small lightbulb. The light bulb actually 
burned quite brightly.

At one point I also built (or was going to build, don't remember at this 
point) a simple "tuner" for FM "bugs"/RC stuff. Basically, a crystal 
receiver with a small meter in place of the headphones.

Vitaliy 

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