Jul 14 A study of quasi-periodic ELF-VLF emissions at three Antarctic stations: Evidence for off-equatorial generation?
Jul 14 Electron density changes in the nighttime D region due to heating by very-low-frequency transmitters
Jul 14 The scattering of VLF waves by localized ionospheric disturbances produced by lightning-induced electron precipitation
Jul 14 A search for ELF/VLF emissions induced by earthquakes as observed in the ionosphere by the DE 2 satellite
Jul 14 A multiple-mode three-dimensional model of VLF propagation in the earth-ionosphere waveguide in the presence of localized D region disturbances
Jul 14 Siple Station, Antarctica, experiments on staircase frequency ramps as approximations to continuous ramps