Quote:
Originally Posted by Ed_Dinning
Hi Gents, carrier current protection was and still is used on overhead HV power lines.
The carrier is typically about 1MHz or less and various signals, both analogue and digital are modulated on to it.
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That is incredibly interesting, thanks, Ed! I might try to intercept one, now that I know. We have lots of overhead power-lines locally. Interesting to lock-on and demodulate?
Quote:
Originally Posted by Ed_Dinning
It was the cause of an aircrash (near Geneva I think) 30 or so years ago, when the local HV line used a frequency very close the airport NDB beacon.
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Woah, that's sad. Was liability ascribed to the power company?