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Morse code is a system of encoding text characters as dots and dashes for telecommunication. Learn about its development by Samuel Morse and Alfred Vail, its international alphabet and variations, and its applications and history.
Learn about the standard military radiogram format for voice, Morse code, or TTY transmission. See the structure, history, and examples of the 16-line message format.
Learn about the history and usage of the NATO phonetic alphabet, which is also known as the ICAO spelling alphabet, and how it differs from other military alphabets. See tables of the alphabet words and their pronunciation for different services and nations.
Range — up to 15 miles on AM voice. Up to 30 miles reported on Morse code between moving vehicles; Transmitter — Crystal control, frequency doubler; Power supply — 6, 12 or 24 Volts DC, PE-237 Vibrator Power Unit; Optional accessories — hand crank generator with seat, antenna system, spares tube kit, canvas bags, Jeep mounting plates.
Learn about the history and evolution of US military vehicle markings during World War II, including national identification, formation signs, and vehicle numbers. See examples of different types of vehicles and their markings, such as tanks, trucks, and aircraft.
Learn how to use Morse code abbreviations to speed up Morse communications by foreshortening textual words and phrases. See the table of selected abbreviations and their meanings, and the difference between abbreviations and prosigns.
Prosigns are shorthand signals used in Morse code telegraphy to simplify and standardize procedural protocols. Learn about their history, notation, representations, and international variations.
A comprehensive list of Second World War military vehicles organized by country, showing numbers produced in parentheses. Includes tanks, armored cars, self-propelled guns, utility vehicles and more from various countries and regions.