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Old 27th Jul 2016, 21:41
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Sunfish
 
Join Date: Aug 2004
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My Bad landings - Explained

I always knew my inability to nail the centerline and land on the numbers wasn't my fault. Now I have proof!

Scientists are recalculating the nation's latitude and longitude coordinates, which are currently out by more than 1.5 metres.

It will improve the accuracy of all spatial information across the nation for a myriad of services including transportation, personal navigation and surveying.

The framework currently in use, known as the Geocentric Datum of Australia, was last updated in 1994.

Because Australia sits on the fastest moving continental tectonic plate in the world, coordinates measured in the past continue changing over time.

The continent is moving north by about 7 centimetres each year, colliding with the Pacific Plate, which is moving west about 11 centimetres each year.
Australia's latitude and longitude coordinates out by more than 1.5 metres, scientists say - ABC News (Australian Broadcasting Corporation)
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