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Police code. A police code is a brevity code, usually numerical or alphanumerical, used to transmit information between law enforcement over police radio systems in the United States. Examples of police codes include "10 codes" (such as 10-4 for "okay" or "acknowledged"—sometimes written X4 or X-4), signals, incident codes, response codes, or ...
Amateur First Grade required an essay-type examination and five (later ten) words per minute code examination before a Radio Inspector at one of the Department's field offices. This class of license was renamed Amateur Class in 1927 and then Amateur First Class in 1932. Amateur Radio licensing in the United States began in mid-December 1912.
A signal strength and readability report is a standardized format for reporting the strength of the radio signal and the readability (quality) of the radiotelephone (voice) or radiotelegraph (Morse code) signal transmitted by another station as received at the reporting station's location and by their radio station equipment.
Ten-code. Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by US public safety officials and in citizens band (CB) radio transmissions. The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code.[1]
The R-S-T system is used by amateur radio operators, shortwave listeners, and other radio hobbyists to exchange information about the quality of a radio signal being received. The code is a three digit number, with one digit each for conveying an assessment of the signal's readability, strength, and tone. [1][2] The code was developed in 1934 ...
In the vast majority of countries, the population of amateur radio operators is predominantly male. In China, 12% of amateur radio operators are women, [29] while approximately 15% of amateur radio operators in the United States are women. [30] The Young Ladies Radio League is an international organization of female amateur radio operators.
Radio regulation in the United States was enforced to eliminate different stations from broadcasting on each other's airwaves. Regulated by the Federal Communications Commission, standardization was encouraged by the chronological and economic advances experienced by the United States of America. Commenced in 1910, before the Communications Act ...
A Radio code is any code that is commonly used over a telecommunication system such as Morse code, ... This page was last edited on 20 March 2024, at 02:27 (UTC).