In case of emergency, dial 112 or 999 and ask for the Police

    Magnetic variation

    Magnetic variation at Ryders Hill, South Dartmoor, Devon. (SX659691)

    Magnetic north is estimated to be 0 deg 12 min west of grid north (British National Grid) at this location in July 2017

     

     

    Magnetic variation trend:

    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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