Generation of ELF/VLF waves by an ionospheric heater at the geomagnetic equator

Nikolai G. Lehtinen and Umran S. Inan

Commission: G
Session: GHE: Modification of the ionosphere and magnetosphere

Abstract (limited to 100 words):

The heating of the D-region by a ground-based facility creates change
of conductivity, calculated by solving a kinetic equation for electron
distribution function, which causes modulation of the auroral
electrojet. The resulting current is used to calculate the emission of
ELF/VLF waves into both the ionosphere and the Earth-ionosphere
waveguide, using a new stable full-wave method for a
horizontally-stratified arbitrary anisotropic medium, with arbitrary
harmonically-varying current distribution. Unlike heating at high
latitides with significant emission of whistlers, at geomagnetic
equator radiation is only into the Earth-ionosphere waveguide.