An Automatic Instrument to Measure the Absolute Components of the Earth's Magnetic Field ... Rotation about Precession angle i variable. and constant. Bz = Bz(?,f) ...
scaling organization of fracture tectonics (SOFT); 'colliding cascades' model; ... mechanisms in the determining the seismogenic potential of active tectonic zones; ...
variation recordings from nearest observatory or on-site variometer ... Stability of variometer should be checked by several measurements (baseline) ...