A Rare Alignment Is On The Move. 🧭 [Three Norths]
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https://www.ordnancesurvey.co.uk/news/three-norths-departing-england <-- shared technical article
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https://youtu.be/18kQrt3KCbM?si=a9fXvjAbrgTU8ylx <-- shared video overview
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“On 13 December, the rare alignment of true north, magnetic north and grid north - known as the three norths - leaves England at Berwick-upon-Tweed, bringing a remarkable three-year chapter to a close.
Magnetic north is monitored using geomagnetic data from the British Geological Survey, combined with Ordnance Survey’s National Grid to track how this alignment shifts over time..."
#truenorth #magneticnorth #gridnorth #UK #coincidence #navigation #threenorths #alignment #GIS #spatial #mapping #projection #globe #north #model #modeling #magnetism #geomagnetism #England #survey #triplealignment #NationalGrid
@Ordnance Survey


































