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Crossword clue: the use of radio to send telegraphic messages

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

radiotelegraph 14 letters wn-def

the use of radio to send telegraphic messages

radiotelegraphy 15 letters wn-def

the use of radio to send telegraphic messages

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Related clues

Another word for radiotelegraphyTelegraphy using the radiant energy of electrical (Hertzian) waves; wireless telegraphy; -- the term adopted for use by the Radiotelegraphic Convention of 1912.