What is magnetic declination
in Tristan Island Settlement, St. Helena?
Answer: -21.79° (-22°47')

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Tristan Island Settlement
Latitude: 37° 2' 60" S
Longitude: 12° 18' 0" W
EDINBURGH
Magnetic Declination: -21° 47'
Declination is NEGATIVE (WEST)
Inclination: 64° 50'
Magnetic field strength: 23753.7 nT

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