Jul 14 Anomalous noise from whistlers and radio atmospherics due to quasi-transverse electromagnetic mode propagation of VLF signals in the Earth-ionosphere waveguide
Jul 14 Recovery signatures of lightning-associated VLF perturbations as a measure of the lower ionosphere
Jul 14 Simultaneous observations of VLF ground transmitter signals on the DE 1 and COSMOS 1809 satellites: Detection of a magnetospheric caustic and a duct