THE RECORDING OF EARTH CURRENTS Open PDF Document Details Document Type Technical Report Publication Date Oct 01, 1962 Accession Number AD0294971 Entities People John L. Douglass Stanley H. Ward Organizations University of California, Berkeley Tags Communities of Interest Advanced Electronics Energy and Power Technologies Materials and Manufacturing Processes DTIC Thesaurus Topics Accuracy Data Analysis Earth Sciences Electromagnetic Radiation Filters Frequency Geophysical Prospecting Geophysics Impedance Low Pass Filters Magnetic Fields Measurement Recording Systems Resistance Space Sciences Telluric Currents Voltage