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  • Building Equipment

    The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. Learn More

  • Receivers

    The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. Learn More

  • Recollections of a Radio Receiver

    The book covers (almost) everything you would ever want to know about the Ham Band Receiver (HBR) series of amateur band receivers first conceived by Ted ... Learn More

  • Chapter 1.pmd

    An experimentally inclined radio amateur envisions a new scheme for a receiver. It might be a better front end circuit, a new block diagram, or a way to realize ... Learn More

  • National Association for Amateur Radio Website Search

    ARRL Letter. Sep 21, 2017 ... ... regenerative receiver built during World War II when Amateur Radio was suspended for the duration. Learn More

  • How Receivers Work

    After all, many ham bands contain a jumble of radio signals that wax and wane, cover one another up and rattle our earphones or loudspeakers. A good receiver is ... Learn More

  • The EMI Finder

    Some of the typical broadband emit- ters of radio frequency interference. (RFI) that you can pinpoint are power- line insulators, computers and indus- trial ... Learn More

  • Amateur Radio Quiz: Amateur Archaeology

    Aug 14, 2010 ... The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More

  • Science Fair/Merit Badge Projects

    A simple 80 or 40 meter amateur band AM, Morse Code (CW) and Single Side Band (SSB) receiver. Web Links. ARRL Introduction To Ham Radio Here's your invitation ... Learn More

  • Former MIT President, Electrical Engineering Professor Emeritus ...

    Sep 20, 2017 ... ... regenerative receiver built during World War II when Amateur Radio was suspended for the duration. Gray said he entered high school “with ... Learn More

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