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Recording of power line noise at 7:43am June 19th 2013 prior to line crew working on the replacement of insulators at 9am June 19th. The level of the radio f…
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Marvin O. “Marv” Loftness, KB7KK, of Olympia, Washington, died October 17. He was 93. A power line noise expert, Loftness may be best known in Amateur Radio circles for his book, AC Power Interference Handbook, distributed by ARRL in its third edition, revised (ARRL is the exclusive distributor.)

“His book is held in high regard by many EMC experts,” said ARRL Sales and Marketing Manager Bob Ind…

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