Junyj radiotelegrafist 1980
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Since 1980, the Uzhgorodpribor factory has issued an electronic key "Young Radio Telegraphist". EC is designed to study the telegraph alphabet and conduct various radio games, but after a little refinement it can be used on amateur radio stations. The key provides the formation of sound signals of a dot and a dash when the manipulator is pressed to the right or left side. The key has the ability to control the transmission speed from 30 to 200 telegraphic characters per minute.
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Information from collection of Valery Khartchenko