Hopferstadt, Germany
Fig.1: Magnetoscanner for 4-track measurements with 2 Geometrics G-858 G, Helmut Becker&Anne-Sophie Flade-Becker |
Fig.2: Cs-Magnetogram of Hopferstadt (western part); line-mean for correction of external geomagnatic noise; dynamics -/+ 20 nT in 256 greyscale (white/black); 40m-grids; North upwards |