Directory Contains Magnetic, Radiometric and EM data from the Langøya island in Vesterålen,
 Nordland county.
NGU Report 2013.044 describes acquisition, quality, processing and presentation of the data.

MAgnetic data are presented as:
	Total magnetic field (Langoya_MAG_Tot)
	Magnetic Vertical Gradient (Langoya_MAG_VG)
	Magnetic Tilt Derivative (Langoya_MAG_TD)
	Geosoft XYZ-file with magnetic anomaly, IGRF value, instrument height and altitude above sea level area 1 and area 2..

Radiometric data are presented as:
	Radiometric Ternary Map  (Langoya_RAD_Ternary)
	Radiometric Total Count (Langoya_RAD_TC)
	Potassium ground concentration in % (Langoya_RAD_Potassium)
	Uranium ground concentaration in ppm (Langoya_RAD_Uranium)
	Thorium ground concentration in ppm (Langoya_RAD_Thorium)
	Geosoft XYZ-file of Unanium, Thorium and potassium ground concentrations area 1 and area 2.

ElectroMagnetic data are presented as Calculated Apparent Resistivity 
from half space model, In phase and Quadrature Components:
	880 Hz Coplanar (Langoya_EM_Res880)
	980 Hz Coaxial  (Langoya_EM_Res980)
	6600 Hz Coplanar  (Langoya_EM_Res6k)
	7001 Hz Coaxial  (Langoya_EM_Res7k)
	34000 Hz Coplanar  (Langoya_EM_Res34k)
	Gesoft XYZ-file with In phase and quadrature readings and aparent resistivity for all frequencies area 1 and area 2.

For more information, contact: jan.ronning@ngu.no