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HF modulated ionospheric currents
Author(s) -
Payne J. A.,
Inan U. S.,
Foust F. R.,
Chevalier T. W.,
Bell T. F.
Publication year - 2007
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/2007gl031724
Subject(s) - ionosphere , electrojet , whistler , finite difference time domain method , physics , ionospheric heater , antenna (radio) , geophysics , computational physics , high frequency , plasma , equatorial electrojet , magnetic field , optics , earth's magnetic field , telecommunications , computer science , quantum mechanics
The HAARP HF facility is used to modulate the components of the auroral electrojet that flow in the D‐region of the ionosphere, creating ELF/VLF radiation which is then measured at a receiver co‐located with the HAARP HF antenna. An HF heating model is coupled to a full wave plasma interaction FDTD code to determine the ELF/VLF response of the ionospheric plasma to the modulated HF stimulation. The predicted FDTD fields on the ground are found to be in remarkable agreement with those measured at a receiver co‐located with HAARP. The FDTD code also predicts an upwardly propagating whistler mode that is tightly bound to the magnetic field lines.

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