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Mike- Tho this NOT about R.F., it is about induction- Many years ago,
we had a working telephone line, from K.Falls, Or to Tule Lake, Ca. About 1/4 mile away a power line (1/2 Megavolt) was installed, running next to our line for some 5 miles ! When power company fired it up, instantly the line was unusable-- Measured over 400 VOLTS of escape in telegraph office- worse- at a detector, a maintainer (these were Fiberglass houses) grabbed on to the door handle, and was knocked to the ground ! Power company supplied us with 60 cycle filters, but the line still had too much noise to be usable! And, another incident- in Portland, had a Phone line to Eugene, passed KXL (1190KHz?) radio station- Had enough leakage, that it got into the baseband of our microwave system! we wern't using baseband that high, but when FCC inspected our El Paso, Texas facility, cited us for re-transmitting that signal, on our microwave system! Take it to the bank-- dumb things happen! Jim NN7K Mike Y wrote: I've heard variants of this story for years, but have yet to see one shred of real evidence that it actually occurred. The closest I've seen that could be regarded as 'real' evidence was a memo that circulated around PP&L (Pennsylvania Power and Light) back in the summer of 1972 or 73 that mentioned a farmer that ALLEGEDLY got shocks off a coil of fence wire he was installing. (The power right of way went over his pasture and the indication was that he was stringing a fence under one of the then new extremely high voltage lines. 750KV if I remember, but maybe only 500KV.) Even then, I thought the right of ways were 'clear' under the big lines, which makes even this story suspect. Mike |
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