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Surveyed areas 2020

Areas shown in blue on the map were surveyed with airborne geophysics during 2019.

Measurements are made at an altitude of 60 m and the distance between flight lines is 200 m. The distance between measurement points along each line is about 7 m for the magnetic field, 16 m for the electromagnetic field and 64 m for gamma radiation.

Satellite navigators and radar altimeters are used for positioning.

Last reviewed 2021-03-18