Directory Contains Magnetic, Radiometric and EM data from the Nordreisa area, Troms county. NGU Report 2015.045 describes acquisition, quality, processing and presentation of the data. Magnetic data are presented as: Total magnetic field (Nordreisa_MAG_Tot) Magnetic Vertical Gradient (Nordreisa_MAG_VG) Magnetic Horizontal Gradient (Nordreisa_Mag_HG) Magnetic Tilt Derivative (Nordreisa_MAG_TD) Geosoft XYZ-file with instrument height, altitude above sea level, IGRF value and magnetic anomaly. Radiometric data are presented as: Radiometric Ternary Map (Nordreisa_RAD_Ternary) Radiometric Total Count (Nordreisa_RAD_TotalCount) Potassium ground concentration in % (Nordreisa_RAD_Potassium) Uranium ground concentaration in ppm (Nordreisa_RAD_Uranium) Thorium ground concentration in ppm (Nordreisa_RAD_Thorium) Geosoft XYZ-file of instrument height, Uranium (ppm), Thorium (ppm) and Potassium (%) ground concentrations. ElectroMagnetic data are presented as Calculated Apparent Resistivity from half space model, In phase and Quadrature Components, (here for 980 Hz only Quadrature is used): 880 Hz Coplanar (Nordreisa_EM_Res880) 980 Hz Coaxial (Nordreisa_EM_Res980) 6600 Hz Coplanar (Nordreisa_EM_Res6600) 7001 Hz Coaxial (Nordreisa_EM_Res7000) Gesoft XYZ-file with Instrument height, In phase and quadrature readings and aparent resistivity for all frequencies. Readings of 880 Hz in phase is not presented due to low signal to noise ratio. Note: No data for EM 34kHz. For more information, contact: jan.ronning@ngu.no