What science can take away, science can put back. Those traps did _not_
> *completely* eliminate the signal getting into the customer premises, they
> just made it so weak that a conventional TV set couldn't amplify it enough
> to make a decent picture. A decent high-gain single-channel pre-amp, on
> the other hand, installed 'in front of' the TV receiver, could do a
> surprisingly good job of resurrecting the 'killed' signal.
Sort of how the FCC has pretty much admitted that anyone with a modicum of technical knowledge will be able to defeat the broadcast flag.