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You can take a 40 watt fluorescent bulb and walk under high power lines and it will light up bright. That's RF. Bob McConnell wrote: > > An NE2 neon bulb and a three inch steel coil spring about the same > diameter. Connect each end of the spring to one of the bulb contacts. > Don't know how sensitive it is, but the Navy provided one on the end > of a broomstick to reach into the transmitter room to detect HF before > entering. We never got hit, so I don't know how well it worked. > > Bob McConnell (Ex-NFIT) > N2SPP
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