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  2. Crystal radio - Wikipedia

    en.wikipedia.org/wiki/Crystal_radio

    A crystal radio receiver, also called a crystal set, is a simple radio receiver, popular in the early days of radio. It uses only the power of the received radio ...

  3. SCR-508 - Wikipedia

    en.wikipedia.org/wiki/SCR-508

    The SCR-508 radio was a mobile Signal Corps Radio used by the U.S. Army during World War II, for short range ground communications.The SCR-508 series radio represented the Army's commitment to both FM and crystal tuning, and was used extensively by armor and mechanized units.

  4. Antique radio - Wikipedia

    en.wikipedia.org/wiki/Antique_radio

    A foxhole radio is a simple crystal sets radio receiver cobbled together from whatever parts one could make (which were very few indeed) or scrounged from junked equipment. Such a set typically used salvaged domestic wiring for an antenna, a double-edged safety-razor blade and pencil lead (or bent safety-pin) for a detector, and a tin can ...

  5. Crystal detector - Wikipedia

    en.wikipedia.org/wiki/Crystal_detector

    Crystal radios had no amplifying components to increase the loudness of the radio signal; the sound power produced by the earphone came solely from the radio waves of the radio station being received, intercepted by the antenna. Therefore, the sensitivity of the detector was a major factor determining the sensitivity and reception range of the ...

  6. Foxhole radio - Wikipedia

    en.wikipedia.org/wiki/Foxhole_radio

    The foxhole radio, like a mineral crystal radio receiver, had no power source and ran off the power received from the radio station. They were named, likely by the press, for the foxhole, a defensive fighting position used during the war. There are also accounts of prisoners of war in World War II and in the Vietnam War having constructed ...

  7. Michelle Obama Skips Jimmy Carter's Funeral and Is 'Still in ...

    www.aol.com/michelle-obama-skips-jimmy-carters...

    The former first lady was notably absent from President Jimmy Carter's state funeral service, leading Barack Obama and Donald Trump to be seated next to one another

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