Physics
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsm34a..04m&link_type=abstract
American Geophysical Union, Fall Meeting 2011, abstract #SM34A-04
Physics
[0654] Electromagnetics / Plasmas, [0689] Electromagnetics / Wave Propagation, [2403] Ionosphere / Active Experiments, [3360] Atmospheric Processes / Remote Sensing
Scientific paper
This paper presents a summary of D-region modification experiments performed at the High-frequency Active Auroral Research Program (HAARP) observatory in 2011. Observations are used to compare the relative efficiencies various low-ELF wave generation mechanisms and to identify a new path toward improving the efficiency of ELF/VLF wave generation. Dual-beam HF heating experiments are used to assess the electrical properties of the lower ionosphere. HF cross-modulation experiments are used to identify the dominant altitude at which HF absorption occurs and to quantify the level of absorption as a function of HF power. In this paper, we compare experimental observations with the predictions of an ionospheric HF heating model and provide several recommendations to guide future D-region modification experiments.
Agrawal Dakshi
Fujimaru S.
Langston J.
Moore Robert C.
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