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1,423 posted on 04/27/2021 1:12:31 PM PDT by CheshireTheCat ("Forgetting pain is convenient.Remembering it agonizing.But recovering truth is worth the suffering")

And this is post #3174 (CQD??)

"CQD (transmitted in Morse code as ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄) is one of the first distress signals adopted for radio use. On 7 January 1904 the Marconi International Marine Communication Company issued "Circular 57", which specified that, for the company's installations, beginning 1 February 1904 "the call to be given by ships in distress or in any way requiring assistance shall be 'C Q D' ".[1]"

https://en.wikipedia.org/wiki/CQD

1,425 posted on 04/27/2021 1:16:06 PM PDT by CheshireTheCat ("Forgetting pain is convenient.Remembering it agonizing.But recovering truth is worth the suffering")