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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]
Maintain radar awareness on or assume responsibility for specified group. Mother Parent ship. Mud Radar warning receiver (RWR) indication of ground threat. Add clock position/azimuth and radar type, if known. Music Electronic radar jamming and deception. N Nails Radar warning receiver (RWR) indication of an AI radar in search mode. Add clock ...
Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...
Pennsylvania Railroad [1] Numbers. 6131, 6175–6199 [1] Last run. 1951. Disposition. All scrapped. The Pennsylvania Railroad 's class Q2 comprised one prototype and twenty-five production duplex steam locomotives of 4-4-6-4 wheel arrangement built between 1944 and 1945. [1] [3] [4] [2]
4-10-0. Under the Whyte notation for the classification of steam locomotives, 4-10-0 represents the wheel arrangement of four leading wheels, ten powered and coupled driving wheels, and no trailing wheels. Central Pacific Railroad 's El Gobernador, built in 1883, was the only locomotive with this wheel arrangement to operate in the United States.
2,4,6-Trichloroanisole ( TCA) is a chemical compound that represents one of the strongest of off-flavors, substances "generated naturally in foods/beverages [that considerably] deteriorate the quality" of such products. [1] [2] As of 2000, TCA was considered the primary chemical compound responsible for the phenomenon of cork taint in wines, [3 ...
Overview. The introduction of the 4-6-2 design in 1901 has been described as "a veritable milestone in locomotive progress". On many railways worldwide, Pacific steam locomotives provided the motive power for express passenger trains throughout much of the early to mid-20th century, before either being superseded by larger types in the late 1940s and 1950s, or replaced by electric or diesel ...
Evolved from. 2-6-2+2-6-2. Under the Whyte notation for the classification of steam locomotives by wheel arrangement, a 4-6-2+2-6-4 is a Garratt or Union Garratt articulated locomotive using a pair of 4-6-2 engine units back to back, with the boiler and cab suspended between them. The 4-6-2 wheel arrangement of each engine unit has four leading ...