Telegraphic Codes (1912) (original) (raw)

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In addition, the United States Navy briefly used a third variation for radio, called the Navy Code. The Navy's version was based on its existing semaphore "Wigwag Code", where signalling was done by moving a flag to the left or right -- in radiotelegraph usage, the right motions became dots, and left became dashes. However, for radio use the Navy soon dropped its version and switched to Continental Morse, the reason, as stated by Chief of the Bureau of Equipment H. N. Manney in a