The path to a transportable ionospheric heater - Tuning methods

Benedikt Esser, Sterling R. Beeson, James Dickens, John Mankowski, Thomas M. Antonsen, Andreas Neuber

Research output: Contribution to journalArticle

Abstract

© 2017 IEEE. A tunable electrically small antenna (ESA) designed to be naturally resonant at 100 MHz is evaluated for its range of tuning and feasibility for use in a mobile ionospheric heating (MIH) setup. The overarching goal is to match the ionospheric heating performance of the 180 element array at the high frequency active auroral research program (HAARP), which occupies approximately 1.2×10 5 m 2 of land in Gakona, Alaska. While each HAARP crossed dipole element occupies 440 m 2 of land and is tunable in the range of 2.7-10 MHz using automatic matching networks, the presented ESA approach is aimed toward enabling the fabrication of a transportable MIH array platform capable of high continuous wave (cw) power, albeit with a linear dimension five to ten times smaller than that of an equivalent dipole antenna. It is elucidated that the capacitively tuned ESA is continuously tunable to a frequency about 50% lower than that of the ESA's base frequency, albeit the resonant antenna str
Original languageEnglish
Pages (from-to)1051-1057
JournalIEEE Transactions on Plasma Science
StatePublished - Jun 1 2017

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