Hard X-ray survey of energetic electrons from low earth orbit. Lightning-induced transient luminous events in the lower ionosphere. Further evidence for a global correlation of the Earth-ionosphere cavity resonances. On the frequency modulation of VLF emissions. Molecular excitation in sprites.
Whistler waves generation and current closure by a pulsed tether in ionospheric plasmas.
On the association of terrestrial gamma ray bursts with lightning and implications for sprites. Gamma ray emission produced by a relativistic beam of runaway electrons accelerated by quasi-electrostatic thundercloud fields. Characteristics of localized ionospheric disturbances inferred from VLF measurements at two closely spaced receivers. A deconvolution technique for measuring D-region radio wave backscatter. Excitation of VLF quasi-electrostatic oscillations in the ionospheric plasma.