Something is jamming GPS over Europe. Here's what we found

jssailem

SBO Weather and Forecasting Forum Jim & John
Oct 22, 2014
24,707
CAL 35 Cruiser #21 moored EVERETT WA
Research findings discuss What, When, How, Why and possibly WHO is causing this discovered anomaly that is impacting the GPS signal over Europe.

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pgandw

.
Oct 14, 2023
247
Stuart (ODay) Mariner 19 Yeopim Creek
Unfortunately predicted long ago (late 1990s), when the US made decision to go solely with GPS. The Clinton Admin was warned repeatedly NOT to put all the navigation eggs in the GPS basket. The warning was ignored, and all funding for alternatives was discontinued.

Fred W
 

jssailem

SBO Weather and Forecasting Forum Jim & John
Oct 22, 2014
24,707
CAL 35 Cruiser #21 moored EVERETT WA
GPS is easy. Compass, ADF coastal radio AM stations, charts with fathom data, and of course the sextant which enabled Captain George Vancouver discover much of the Pacific Northwest, all can help a competent boat skipper find home port.
 
Jan 1, 2006
8,078
Slickcraft 26 Sailfish
Don't forget Henry Hudson who mapped vast areas without really knowing where he was. Sounds contradictory but contains an element of truth.