Quote:
Originally Posted by Station X
"the morse code for radio amateurs" 1977 edition says:-
Quote:
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_._._ Commencing signal (to precede every transmission)
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I assumed it was to wake up a sleepy operator. Listening to silence for long periods must have been boring. |
Yes, and the iambic rhythm is ideal for synchronising your wrist muscles with the Vibroplex key. (Other sideswipers are available)