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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. Popular modes of operation include speaking over amplitude modulation (AM), and communicating using Morse code through continuous wave ...
Herbert G. Johnson, W6QKI, founded Swan Engineering. Johnson built the first ten largely vacuum tube type design single sideband (SSB) transceivers in a garage in Benson, Arizona, in 1960-1961. The more expensive Collins KWM-2 was the only other competing transceiver at the time. The operation moved to Oceanside, California, where, at one point ...
Headquarters. Syosset, New York. Lafayette Radio Electronics Corporation was an American radio and electronics manufacturer and retailer from approximately 1931 to 1981, headquartered in Syosset, New York, a Long Island suburb of New York City. The company sold radio sets, Amateur radio (Ham) equipment, citizens band (CB) radios and related ...
Beginnings. Amateur radio came into being after radio waves (proved to exist by Heinrich Rudolf Hertz in 1888) were adapted into a communication system in the 1890s by the Italian inventor Guglielmo Marconi. [6] In the late 19th century there had been amateur wired telegraphers setting up their own interconnected telegraphic systems.
Radio ZS South Africa: English Monthly Unknown old man Switzerland: German, Italian, French Monthly 1932–2007 HBradio Switzerland: German, Italian, French Monthly 2008–present Practical Wireless United Kingdom: English Monthly 1932–present RadCom United Kingdom: English Monthly 1913–present CQ Amateur Radio United States: English Monthly
The SX-28's distinctive art deco styling was considered sleek and strikingly modern in 1940. The radio frequency coverage was 550 kHz (0.55 MHz) to 43 MHz in six bands. The SX-28 included an Amplified AVC, a Lamb Noise Silencer, Calibrated bandspread, and Push-Pull audio output. The SX-28 was known for its high fidelity audio together with high ...
Hallicrafters founder William J. Halligan depicted in a 1944 magazine ad. William J. Halligan (1898–1992), founded Hallicrafters Company in Chicago in late 1932. Prior to this, he had been involved in radio parts sales for some years but decided the time was right for a handcrafted amateur radio receiver - the company name being a combination of Halli(gan) and (hand)crafters.
Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communications. [1] The term "amateur" is used to specify "a duly authorized person interested in radioelectric ...