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Drily Lit Raga
 
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Mike Rivers wrote:
In article writes:

They play havoc with guitars fitted with single coil
pickups, and high impedance microphones. Even the small portable ones
can radiate a filed of several metres.


Yeah, but wouldn't they radiate the program material rather than just
plain noise? You'd hear the elevator music or whatever.


Not that I really know, but I'd guess some sort of modulation scheme
would be used.