THE BASIC PRINCIPLES OF BARRA MAGNéTICA

The northernmost level will be the NRW-Nordpunkt near Rahden inside the northeast from the condition. The Nordpunkt has Positioned the sole one hundred km for the south from the North Sea coast. The deepest normal dip is organized from the district Zyfflich in the city of Kranenburg with 9.2 m over sea degree in the northwest with the condition. T