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Wireless Set No. 38 – Manpack radio set, also produced as an AFV version for use in armoured vehicles to allow direct communication with infantry. Wireless Set No. 38 Mk. III – Late WWII infantry radio. [9] Wireless Set No. 42 – Experimental general purpose vehicle/manpack HF set, tropicalised, 10W, 1.6–12.8 MHz. Project abandoned after ...
"TG from Chamber of Commerce 5/5/25", "5/10/25-5/24/25" 1090 kHz. The twenty-seventh annual trade tour of the Omaha Chamber of Commerce operated "America's only broadcasting station on a passenger train" [ 57 ] at stops along the way as they traveled by rail though Nebraska, South Dakota and Wyoming.
Portugal created a Military Telegraph Corps in 1810, having a field telegraph company since 1884; The German Empire and France had no telegraph troops in peacetime until the late 19th century. The British Army had, in peacetime, one telegraph battalion of two divisions, of which one was permanently equipped and ready for war, whilst the other ...
The word telegraph (from Ancient Greek: τῆλε 'at a distance' and γράφειν 'to write') was coined by the French inventor of the semaphore telegraph, Claude Chappe, who also coined the word semaphore. [2] A telegraph is a device for transmitting and receiving messages over long distances, i.e., for telegraphy.
The TG-5 was a three-seat training glider of 1942 based upon the O-58 design. This aircraft retained the O-58's rear fuselage, wings, and tail while adding a new front fuselage in place of the engine. In all, Aeronca built 250 TG-5 gliders for the Army. The Navy received three as the LNR-1. [3]
The term SCR was part of a nomenclature system developed for the U.S. Signal Corps, used at least as far back as World War I.Three-letter designators beginning with "SC" were used to denote complete systems, while one and two-letter designators (such as "BC", for basic component, "FT" for mounting, etc.) were used for components.
Automatic Telegraph Switching System Plan 55-A was one in a series of store and forward message switching systems developed by Western Union and used from 1948 to 1976 for processing telegrams. [1] It is an automated successor to Plan 51 , which commenced service in 1951 in a nationwide network of the U.S. Air Force , but required semi ...
Morkrum Printing Telegraph – This was the first mechanically successful teleprinter, initially used to 1908 for the Alton Railroad trials. A "Blue Code Version" was used in 1910 as a part of the first commercial teleprinter circuit that ran on Postal Telegraph Company lines between Boston and New York City.