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Kotomora

トンツー

ト
ン
ツ
ー

Meanings

1

noun

dots and dashes; Morse code

Colloquial term for Morse code signals, especially the sound of dots (トン) and dashes (ツー).

See also: モールス符号 · トン

2

noun

radio telegraphy

Colloquial term for radio telegraphy as a communication method, often associated with amateur radio.

See also: 無線電信