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








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18 April 2026

Fact of the day: It was in this month in 1917 that Lucien Levy in France made the first receiver using the superheterodyne principle for the elimination of atmospherics. It used a variable IF stage and not the fixed frequency IF normally used. It was also the day on which Albert Einstein, the famous physicist died in 1955.

Quote: It is a miracle that curiosity survives formal education. Albert Einstein

Point to ponder: Life is like a camera; focus on what is important; capture the good time; develop from the negatives; and if things don\'t work out, take another shot.




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