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ionospheric modification with a VLF transmitter
Author(s) -
Inan U. S.,
Rodriguez J. V.,
LevTov S.,
Oh J.
Publication year - 1992
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 - 10.1029/92gl02378
Subject(s) - ionosphere , signal (programming language) , radio signal , transmitter , very low frequency , physics , geophysics , electron , d region , computational physics , ionospheric propagation , atmospheric sciences , radio frequency , telecommunications , astronomy , nuclear physics , channel (broadcasting) , computer science , programming language
Detectable heating of the nighttime D region by a 28.5 kHz signal is observed in 16 out of 144 cases with events occurring under conditions of moderate to low D region electron densities as represented by the unperturbed VLF signal levels. Three dimensional modeling of the effects of NAU heating on a probe VLF signal predicts values in general agreement with observations and suggests that maximum effects should occur under tenuous D region conditions.