Search results
Results From The WOW.Com Content Network
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 ...
Ten-code. Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by law enforcement 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]
Letter beacons are radio transmissions of uncertain origin and unknown purpose, consisting of only a single repeating Morse code letter. They have been classified into a number of groups according to transmission code and frequency , and it is supposed that the source for most of them is Russia and began during the Soviet Union .
Everyday the Waldos would meet at 4:20 p.m. under the school’s Louis Pasteur statue to smoke and then, with treasure map in hand, go out to hunt for the plant. ... Some say 420 is police code ...
Amateur radio contests are not run on the WARC bands. 20 metres – 14.000–14.350 MHz – 21.41–20.89 m actual; Considered the most popular DX band; usually most popular during daytime. QRP operators recognize 14.060 MHz as their primary calling frequency within the band. Users of the PSK31 data mode tend to congregate around 14.070 MHz.
79.7 6 yz 82.5 7 ya 85.4 8 yb 88.5 9 zz 91.5 10 za 94.8 11 zb 97.4 12 1z 100.0 13 1a 103.5 14 1b 107.2 15 2z 110.9 16 2a 114.8 17 2b 118.8 18 3z 123.0 19 3a 127.3 20 3b 131.8 21 4z 136.5 22 4a 141.3 23 4b 146.2 nato 150.0 24 5z 151.4 25 5a 156.7 40 159.8 26 5b 162.2 41 165.5 27 6z 167.9 42 171.3 28 6a 173.8 43 177.3 29 6b
420, 4:20 or 4/20 (pronounced four-twenty) is cannabis culture slang for marijuana and hashish consumption, especially smoking around the time 4:20 p.m. (16:20). It also refers to cannabis -oriented celebrations that take place annually on April 20 (4/20 in U.S. date form).
The 20-meter or 14-MHz amateur radio band is a portion of the shortwave radio spectrum, comprising frequencies stretching from 14.000 MHz to 14.350 MHz. [1] The 20-meter band is widely considered among the best for long-distance communication ( DXing ), and is one of the most popular—and crowded—during contests. [2]
The mobile country code consists of three decimal digits and the mobile network code consists of two or three decimal digits (for example: MNC of 001 is not the same as MNC of 01). The first digit of the mobile country code identifies the geographic region as follows (the digits 1 and 8 are not used): 0: Test networks. 2: Europe.
Pulse code cab signaling. Pulse code cab signaling is a form of cab signaling technology developed in the United States by the Union Switch and Signal corporation for the Pennsylvania Railroad in the 1920s. The 4-aspect system widely adopted by the PRR and its successor railroads has become the dominant railroad cab signaling system in North ...