Some Recent Experiments with VHF Radio Echoes from Aurora and Their Possible Significance in the Theory of Magnetic Storms and Auroras |
Common terms and phrases
600 RANGE KM Alaska angle antenna auroral arcs auroral echoes AVG 300 RANGE backscatter compared with P.P.I. contimous CORNE CORNELL FOUNDED CORNELL UNIVE CORNELL UNIVERSITY CORNELL critical phase CYCLES PER SECOND Doppler shifts earth's magnetic field echo cross section echo phenomenon echo signal electron density experimental EZRA CORNELL FOUNDED CORNELL free electrons FREQUENCY IN CYCLES Gartlein GEOMAGNETIC AZIMUTH Geomagnetic Storm Geophys height HIGH-LOW 345 RANGE homogeneous forms ionization ionosphere Ithaca LIBRARY CORNELL UNIVERSITY line-of-sight velocity lines of force luminosity magnetic bay Mc/sec motion observed OUNDED P.P.I. Patterns particle density perpendicularity protons pulsating forms pulses R.F. Spectra radar radio echoes Radio Frequency Spectra radio wave RANGE KM 400 rayed forms RELATIVE SIGNAL AMPLITUDE scattering centers SEPT 30 solar ion stream Spectra of Auroral spectrum theory Transmitted Carrier UNIVER CORNELL UNIVERSITY CORNELL CORNELL UNIVERSITY LIBRARY CORNELL UNIVERSITY UNIVE UNIVERSITY UNIVERSITY Visible Aurora compared visible auroral forms visible forms wavelength