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  2. Amateur radio homebrew - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_homebrew

    Homebrew is an amateur radio slang term for home-built, noncommercial radio equipment. [1] Design and construction of equipment from first principles is valued by amateur radio hobbyists, known as "hams", for educational value, and to allow experimentation and development of techniques or levels of performance not readily available as commercial products.

  3. Shortwave radio receiver - Wikipedia

    en.wikipedia.org/wiki/Shortwave_radio_receiver

    A shortwave radio receiver is a radio receiver that can receive one or more shortwave bands, between 1.6 and 30 MHz. A shortwave radio receiver often receives other broadcast bands, such as FM radio, Longwave and Mediumwave. Shortwave radio receivers are often used by dedicated hobbyists called shortwave listeners.

  4. Vintage amateur radio - Wikipedia

    en.wikipedia.org/wiki/Vintage_amateur_radio

    Vintage amateur radio is a subset of amateur radio hobby where enthusiasts collect, restore, preserve, build, and operate amateur radio equipment from bygone years, such as those using vacuum tube technology.

  5. Shortwave radio - Wikipedia

    en.wikipedia.org/wiki/Shortwave_radio

    Grundig Satellit 400 solid-state, digital shortwave receiver, c. 1986 [1]. Shortwave radio is radio transmission using radio frequencies in the shortwave bands (SW). There is no official definition of the band range, but it always includes all of the high frequency band (HF), which extends from 3 to 30 MHz (approximately 100 to 10 metres in wavelength).

  6. Realistic DX-300 - Wikipedia

    en.wikipedia.org/wiki/Realistic_DX-300

    The Realistic DX-300 is a shortwave radio manufactured by General Research of Electronics (GRE) of Chiba, Japan and marketed in the United States by Radio Shack (Tandy Corporation) from late 1978 through 1979.

  7. 50 DIY Projects That Look Like Witchcraft But Are Actually ...

    www.aol.com/80-times-something-people-made...

    According to Statista, in the last couple of years, roughly a quarter of Americans engaged in DIY and arts and crafts as a hobby. #4 Handmade Stained Glass Book Ends With Mushrooms Image credits ...

  8. The Conet Project - Wikipedia

    en.wikipedia.org/wiki/The_Conet_Project

    The Conet Project: Recordings of Shortwave Numbers Stations is a four- (later five-) CD set of recordings of numbers stations and noise stations released by Irdial-Discs beginning in 1997. Numbers stations are shortwave radio stations believed to be operated by government agencies to communicate with deployed spies .

  9. 15-meter band - Wikipedia

    en.wikipedia.org/wiki/15-meter_band

    The 15-meter band (also called the 21-MHz band or 15 meters) is an amateur radio frequency band spanning the shortwave spectrum from 21 to 21.45 MHz. The band is suitable for amateur long-distance communications, and such use is permitted in nearly all countries.

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