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The Earths Magnetic Field
The Morphology of Geomagnetic Micropulsations
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Alfven velocity Alfven wave amplitude angular frequency auroral zone band boundary cavity characteristics component conjugate points continuous pulsations cosmic noise curves cyclotron instability daytime decreases dipole field dispersion disturbance diurnal diurnal variation duct Earth Earth's surface electromagnetic electron equation equatorial plane field line frequency range Gendrin geomagnetic field geomagnetic micropulsations geomagnetic pulsations Geophys Greifinger group velocity hemisphere hm emissions hm waves hydromagnetic increasing intensity Ionos ionosphere IPDP J. A. Jacobs km/sec L. R. Tepley line of force lower exosphere lower latitudes magnetic activity magnetic bay magnetic field magnetic line magnetic storms magnetopause magnetosphere mode nighttime observed occur outer Pc l's pearls period phase velocity plasmapause plasmasphere polarization propagation protons region resonance signals simultaneously solar cycle solar wind spectra stations structured elements sunspot sunspot maximum Tongatapu toroidal oscillations transmission coefficient V.A. Troitskaya W. H. Campbell Watanabe whistlers