Magnetic variation at Ryders Hill, South Dartmoor, Devon. (SX659691)
Magnetic north is estimated to be 0 deg 1 min west of grid north (British National Grid) at this location in July 2018
Magnetic variation trend:
Magnetic north is estimated to be 0 deg 12 min west of grid north (British National Grid) at this location in July 2017
Magnetic north is estimated to be 0 deg 35 min west of grid north (British National Grid) at Ryders Hill in July 2015
Magnetic north was estimated to be 0 deg 44 min west of grid north at Ryuders Hill in July 2014.
Magnetic north was estimated to be 0 deg 53 min west of grid north at Ryders Hill in July 2013.
Magnetic north was estimated to be 1 deg 5 min west of grid north at Ryders Hill in July 2012.
Magnetic variation calculation courtesy of the British Geological Survey Cick here for survey site.
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