Ionospheric hole behind an ascending rocket observed with a dense GPS array

Details Ionospheric hole behind an ascending rocket observed with a dense GPS array Ionospheric hole behind an ascending rocket observed with a dense GPS array

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ep%26s...60..235f&link_type=abstract

Earth, Planets and Space, Volume 60, p. 235-239.

Astronomy and Astrophysics

Astronomy

1

Scientific paper

An ascending liquid-fuel rocket is known to make a hole in the ionosphere, or localized electron depletion, by leaving behind large amounts of neutral molecules (e.g. water) in the exhaust plume. Such a hole was made by the January 24, 2006 launch of an H-IIA rocket from Tanegashima, Southwestern Japan, and here we report its observation with a dense array of Global Positioning System receivers as a sudden and temporary decrease of total electron content. The observed disturbances have been compared with a simple numerical model incorporating the water diffusion and chemical reactions in the ionosphere. The substantial vanishing of the ionosphere lasted more than one hour, suggesting its application as a window for ground-based radio astronomical observations at low frequencies.

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