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Citizens band radio (CB radio) is a land mobile radio system, a system allowing short-distance one-to-many bidirectional voice communication among individuals, using two-way radios operating near 27 MHz (or the 11-m wavelength) in the high frequency or shortwave band. Citizens band is distinct from other personal radio service allocations such ...
CB slang is the distinctive anti-language, argot, or cant which developed among users of Citizens Band radio (CB), especially truck drivers in the United States during the 1970s and early 1980s, [1] when it was an important part of the culture of the trucking industry. The slang itself is not only cyclical, but also geographical.
The Industrial/Business Radio Pool of the Private Land Mobile Radio Services has several channels just above the Citizen's Band, at 27.430, 27.450, 27.470, 27.490, 27.510, and 27.530 MHz. [15] The federal government has the frequencies from 27.540 up to 28.000. Many civilian agencies use, or used to use, the frequencies 27.575 and 27.585 for ...
Citizens band radio (often shortened to CB radio) is a system of short-distance radio communications between individuals on a selection of 40 channels within the 27-MHz (11 m) band. In the United Kingdom, CB radio was first legally introduced in 1981, but had been used illegally for some years prior to that.
By the late 1970s, Lafayette expanded to major markets across the country, struggling to compete with Radio Shack, which was purchased by Tandy Leather Co. in 1963. Lafayette ran into major financial difficulty when the Federal Communications Commission (FCC) expanded a new citizens band radio ("CB") spectrum to 40 channels in 1977. Lafayette's ...
Huguely was working as an advertising salesman at an agency named Leslie Advertising in Greenville, South Carolina in the mid-1970s when he was approached to help with an advertising campaign centering on the then fast-growing citizens' band radio craze. According to writer Tom Roland, Huguely knew little about the CB radio but agreed to help out.
At that time, most people were familiar with citizens band radio, often abbreviated as CB radio, but multi-user chat and instant messaging were largely unknown. CompuServe CB used the CB radio paradigm to help users understand the new concept. Like CB radio, it had 40 "channels" and commands like "tune", "squelch", and "monitor".
In China, Hong Kong and Macau, the Public Radio Service is a personal radio service similar to the American-style FRS. Twenty UHF channels near 409 MHz are allocated. Sometimes this is called "Citizen Band" or CB in China, [5] but not to be confused with the Citizens Band radio within the 27 MHz band. FRS/GMRS and PMR446 radios are not approved ...