What is magnetic declination
in Mannila, Finland?
Answer: +11.52° (12°31')

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Mannila
Latitude: 61° 53' 60" N
Longitude: 26° 37' 60" E
MANNILA
Magnetic Declination: +11° 31'
Declination is POSITIVE (EAST)
Inclination: 74° 43'
Magnetic field strength: 53003.2 nT

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