Device for direct and continuous receiving and measuring of elec
High-frequency electric field measurement using a toroidal...
Method and apparatus for passive detection of geophysical...
Method and system for acquisition and separation of the effects
Method for detecting long waves and predicting earthquakes
Non-superconducting apparatus for detecting magnetic and electro
Seismic activity predictor in proximity with the earth including
Seismic activity predictor in proximity with the earth...
Seismic activity predictor including a dielectric for receiving
Tectonic activity monitoring equipment
Well logging disc coil receiving means and method