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  2. 10-meter band - Wikipedia

    en.wikipedia.org/wiki/10-meter_band

    President HR2510A, a mobile 10-meter radio, with a Uniden microphone. Being a very wide band in HF terms, many different transmission modes can be found on 10 meters. Morse code and other narrowband modes are found toward the bottom portion of the band, SSB from 28.300 MHz up, and wideband modes ( AM and FM ) are found near the upper part of ...

  3. Yaesu FT-891 - Wikipedia

    en.wikipedia.org/wiki/Yaesu_FT-891

    A Yaesu FT-891 Radio Tuned to the 10 Meter Band. The Yaesu FT-891 is a HF and 6 meters all mode mobile amateur radio transceiver. The FT-891 was first announced to the public by Yaesu at the 2016 Dayton Hamvention. [1] The radio has 100 watts output on CW, SSB, and FM modulations and 25 watts of output in AM. [2]

  4. Hallicrafters - Wikipedia

    en.wikipedia.org/wiki/Hallicrafters

    Hallicrafters Company. The Hallicrafters Company manufactured, marketed, and sold radio equipment, and to a lesser extent televisions and phonographs, beginning in 1932. The company was founded by William J. Halligan and based in Chicago, Illinois, United States. In 1966 Halligan sold the company to the Northrop Corporation and Halligan family ...

  5. Cygnus A - Wikipedia

    en.wikipedia.org/wiki/Cygnus_A

    Cygnus A (3C 405) is a radio galaxy, one of the strongest radio sources in the sky. A concentrated radio source in Cygnus was discovered by Grote Reber in 1939. In 1946 Stanley Hey and his colleague James Phillips identified that the source scintillated rapidly, and must therefore be a compact object. [4]

  6. Porphyrion (radio galaxy) - Wikipedia

    en.wikipedia.org/wiki/Porphyrion_(radio_galaxy)

    Porphyrion is a Fanaroff–Riley class II radio galaxy located 7.5 billion light years away from Earth, with host galaxy J152932.16+601534.4. It is located in the constellation Draco and it was discovered in Low-Frequency Array (LOFAR) data by an international team led by Martijn Oei. [2] Porphyrion has the longest jets of any radio galaxy ...

  7. Radio galaxy - Wikipedia

    en.wikipedia.org/wiki/Radio_galaxy

    A radio galaxy is a galaxy with giant regions of radio emission extending well beyond its visible structure. These energetic radio lobes are powered by jets from its active galactic nucleus. [1] They have luminosities up to 10 39 W at radio wavelengths between 10 MHz and 100 GHz. [2] The radio emission is due to the synchrotron process.