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The SINPO code in normal use consists of the 5 rating numbers listed without the letters, as in the examples below: 54554 – This indicates a relatively clear reception, with only slight interference; however, nothing that would significantly degrade the listening experience. 33433 – This indicates a signal which is moderately strong, but ...
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.
198.103.39.129 20:38, 5 July 2010 (UTC) ... International signal flags have signals that may start with a letter Q but which are unrelated to the radio Q code. The ...
The codes' procedure words, a type of voice procedure, are designed to convey complex information with a few words, when brevity is required but security is not. Ten-code, North American police brevity codes, including such notable ones as 10-4. Phillips Code. NOTAM Code. Wire signal, Morse Code abbreviation, also known as 92 Code.
By June 1940, OP-20-G included 147 officers, enlisted men, and civilians, linked into a network of radio listening posts as far-flung as the Army's. OP-20-G did some work on Japanese diplomatic codes, but the organization's primary focus was on Japanese military codes.
Clansman (military radio) Clansman is the name of a combat net radio system (CNR) used by the British Army from 1976 to 2010. Clansman was developed by the Signals Research and Development Establishment (SRDE) in the 1960s, to satisfy a General Staff Requirement (GSR) laid down in 1965. Clansman represented a considerable advance over existing ...
0041–0057. Belgium. Assigned for VFR traffic under Flight Information Services (BXL FIC). [citation needed] 0100. Australia. Flights operating at aerodromes (in lieu of codes 1200, 2000 or 3000 when assigned by ATC or noted in the Enroute Supplement). [6] 0100–0400.
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).