Fog Signals 73’s but GPS jamming is “A National Security Threat”

The Commissioners of Irish Lights announce that their last 9 remaining fog signals will no longer operate after today. Although we have been closing fog signals on a case by case basis for over 20 years, the 2010 Aids to Navigation (AtoN)  Review re-confirmed that fog signals can no longer be considered as AtoN. via…

The First Radio Broadcast 24/12/1906

via http://www.wfn.org/story.html The first extended broadcast of the human voice was transmitted through the air on December 24, 1906 from Brant Rock, Massachusetts. A Canadian engineer, Reginald Fessenden, had worked for Thomas Edison in his New Jersey Laboratory, and later became a professor at the University of Pittsburgh. Fessenden was convinced that the “wireless telegraph”, which…

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Categorized as radio