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The radio had the Motorola MX 300 embedded inside of the radio and had 10 MED channels. It was slightly ahead of the Biophone , in portability, but both had the same specifications. The APCOR became very popular during the late 1970s and 1980s; it was widely adopted by fire departments and emergency medical services agencies across the United ...
The ARC-210 program began in 1990 as an improved version of the AN/ARC-182, adding jam-reisistant SINCGARS capability to communicate with Army radios for close air support. [2] The Arc-210 is installed on more than 180 platforms and is operating in more than 40 countries. As of 2010, 30,000 have been produced [3] and by October 2016, 40,000 ...
2007 Toyota Yaris hatchback owner's manual 1919 Ford Motor Company car and truck operating manual. An owner's manual (also called an instruction manual or a user guide) is an instructional book or booklet that is supplied with almost all technologically advanced consumer products such as vehicles, home appliances and computer peripherals.
Admiral radio-phonograph, c. 1950, at the Lamar County Historical Museum. In 1934 in Chicago, Illinois, Ross Siragusa founded Continental Radio and Television Corporation (CRTC), which produced consumer electronics such as radios and phonographs. [1] The radios were designed and produced by Radio Products Corporation (RPC), owned by Irwin J ...
A walkie-talkie, more formally known as a handheld transceiver, HT, or handheld radio, is a hand-held, portable, two-way radio transceiver. Its development during the Second World War has been variously credited to Donald Hings, radio engineer Alfred J. Gross, Henryk Magnuski and engineering teams at Motorola. First used for infantry, similar ...
VOACAP simulation of propagation against distance, comparing effective radiations of 1 watt (top) and 99 Watts (bottom).. The practice of operating with low power was popularized as early as 1924, with a variety of reports, editorials and articles published in U.S. amateur radio magazines and journals that encouraged amateurs to lower power output, both for purposes of experimentation, and for ...
The typical portable tube radio of the fifties was about the size and weight of a lunchbox and contained several heavy, non-rechargeable batteries—one or more so-called "A" batteries to heat the tube filaments and a large 45- to 90-volt "B" battery to power the signal circuits. By comparison, the transistor radio could fit in a pocket and ...
Amateur radio operators take part in portable operations using radio equipment when traveling. "Portable" equipment indicates a configuration that allows for relatively rapid collection, transportation, and deployment of amateur radio gear. A portable station can be anything from a small QRP (Low Power) radio and antenna, to a large transceiver.