Publications de la Direction de la Physique Du GlobeDepartment of Energy, Mines and Resources., 1971 - Astronomy |
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Common terms and phrases
4-station accuracy Akasofu amplifier amplitude auroral AUSTRALIA azimuthal coverage B-H curve baseline Basham bays block diagram CALIFORN Canada cent circuit component conventional stations core current vector daily mean detector drift EARTH PHYSICS BRANCH effect electrojet electronics energy Equation equivalent error ERSITY excitation Figure fluxgate magnetometer gammas geomagnetic given hourly mean hysteresis identification input integrator ionosphere kilotons latitude magnetic field magnetic observatory magnetogram magnetometer Magnetotelluric magnification maximum measurements N,E N,E noise number of stations operation oscillator Ottawa output voltage oval paleomagnetic parallel rods pendulum PERIODS OF SIXTY phase photodetector polar potentiometer punch Rayleigh wave detection read-out Record of observations relay ring-core SAN DIEGO second harmonic sector seismic seismograph sensitivity sensor shown signal SIXTY MINUTES stepping switch storm substorms switch Table temperature tion UNIVERSITY VALUES FOR PERIODS VICTORIA VICTORIA DAY wave detection threshold wave magnitude zero ΤΟ