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NQN Filters Designer, Manufacturer Ed Wetherhold, W3NQN, SK

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Nov 15, 2008
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Edward E. “Ed” Wetherhold, W3NQN, of Annapolis, Maryland, died on July 9. He was 93.

Licensed in 1947, Wetherhold was an electrical engineer who served in the US Air Force Reserve before spending 30 years at the Annapolis Signal Analysis Center of Alliant Techsystems (formerly the defense division of Honeywell).

Wetherhold was best known within the amateur radio community for designing and manufa...

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  • @ BJ radionut:
    +1
  • @ heartbreaker3473:
    Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
  • @ AudioShockwav:
    Wes, it's better if you start a thread on the main forum, more people are going to see your question.
  • @ heartbreaker3473:
    Okay, sorry, will put in a forum
  • @ heartbreaker3473:
    I put it in the general disscution help area and started a new thread. Thank you for letting me know.


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