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Collins supplied the military, the scientific community, and the larger AM radio stations with equipment. Collins provided the equipment to establish a communications link with the South Pole expedition of Rear Admiral Richard E. Byrd in 1933. In 1936, Collins had begun production of the 12H audio console, 12X portable field announcers box, and ...
The Collins 75A-4 amateur radio receiver. The 74A4 and KWS-1 is an amateur radio receiver and transmitter pair made by the Collins Radio Company of Cedar Rapids, Iowa that were introduced in 1955. They were designed to operate using the then new single-sideband (SSB) voice modulation as well as CW and AM modes. They were influential in ...
Aurthur A Collins standing next to a transmitter. Arthur Andrews Collins (September 9, 1909 – February 25, 1987) was an American radio engineer and entrepreneur.He first gained national recognition as a teenager for significant advances in radio communication.
The R-390A is a general coverage radio receiver capable of receiving amplitude modulated, code, and frequency shift keying signals. Its tuning range is from 500 kHz to 32 MHz, in thirty-two 1 MHz bands.
Collins Radio Co., which produced equipment for the AM radio industry, asked Bob Silliman to go to Evansville to discuss buying the company, which he did for some $15,000, making some senior ...
The 207B-1 was capable of 35 kilowatts of RF output in amplitude modulation mode, and 50 kilowatts in continuous wave mode. The transmitter was designed for land-based operation within the frequencies of 4 to 26 MHz and was contained within five sheet metal cabinets bolted together to form a single unit with a weight of 16,800 pounds.
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Swan merged with Cubic Corporation in 1967, and Johnson managed Swan as its subsidiary until 1973. Johnson founded Atlas Radio in 1974. Atlas produced smaller solid state radios for mobile communications from vehicles of all types. [3] Many Swan radios remain in service today, restored and operated by vintage amateur radio enthusiasts. [2]