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Home Office radio was the VHF and UHF radio service provided by the British government to its prison service, emergency service (police, ambulance and fire brigade) and Home Defence agencies from around 1939. The departmental name was the Home Office Directorate of Telecommunications, commonly referred to as DTELS. [1]
Code 8-Adam: Units requested to scene of fire for traffic and crowd control; Code 10: Request to clear frequency for broadcast of wanted/warrant information; Code 12: Request to clear frequency for request for information on potential individual arrest warrant; Code 20: Notify media (or media already on scene)
Download QR code; Wikidata item ... The early history of radio is the history of technology ... (it would take almost 20 years for the term "radio" to be universally ...
Denotes location, as in identifying one's location ("My 20 is on Main Street and First"), asking the receiver what their current location or immediate destination is ("What's your 20?"), or inquiring about the location of a third person ("OK, people, I need a 20 on Little Timmy and fast"). 10-32 Radio check or test. 10-33 Emergency traffic ...
Chart of the Morse code 26 letters and 10 numerals [1]. This Morse key was originally used by Gotthard railway, later by a shortwave radio amateur [2]. Morse code is a telecommunications method which encodes text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs.
[20] During radio's first two decades, ... Additionally, amateurs are among the only radio operators still using Morse code radiotelegraphy. [105]
CQ call of German amateur radio station DG2RBH on the 80 m band ("Hello CQ from Delta Golf 2 Romeo Bravo Hotel") CQ is a station code used by wireless operators derived from long established telegraphic practice on undersea cables and landlines, particularly used by those communicating in Morse code, ( ), but also by voice operators, to make a general call (called a CQ call).
The codes are intended for use by air, ground, sea, and space operations personnel at the tactical level. Code words that are followed by an asterisk (*) may differ in meaning from NATO usage. There is a key provided below to describe what personnel use which codes, as codes may have multiple meanings depending on the service.