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W1RFI wrote:
I have not looked at a plasma TV, Chip, but I would make that diagnosis primarily on on the basis of the sphere of influence. In the BPL test areas, the interference was heard over the entire area that had the BPL couplers in place. Hmmm - I wonder ... presumably the BPL couplers are capacitors coupling appropriate RF from one leg of the power system to the next. Would they also couple spuriously-generated RF at similar frequencies? (yeah, I'm sure the couplers are more involved than simple RF bypass caps - that's not the question here.) The PPL rep accused you of mis-interpreting the RF from a neon sign as a BPL signal. What DOES happen to the hash generated by a neon sign, then? is it propagated through the power grid much further when BPL couplers are present? How about other sources of broadband noise, like loose wires, arcing insulators, etc? Will the entire BPL scheme spread all these other spurious emissions far and wide? And, by the way, since aircraft use AM, do they receive hash when they fly over BPL lines? Are our brethren in aviation potentially useful allies in this war? Bob, KI8AB |
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Effective area question | Antenna |