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Ian Poole   Written by Ian Poole .
  Experienced electronics engineer and author.








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7 January 2026

Fact of the day: It was on this day in 1904 that the wireless of radio distress signal "CQD" was established as the international distress signal. It came from the letters CQ that were used as a general call, and D for distress. It was replaced two years later by the famous SOS call.

Quote: If a man empties his purse into his head, no one can take it away from him. An investment in knowledge always pays the best interest. Benjamin Franklin

Point to ponder: Logic is a systematic method of coming to the wrong conclusion with confidence.





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