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Ionospheric hole behind an ascending rocket observed with a dense GPS array
Earth, Planets and Space volume 60, pages235–239(2008)
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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Furuya, T., Heki, K. Ionospheric hole behind an ascending rocket observed with a dense GPS array. Earth Planet Sp 60, 235–239 (2008). https://doi.org/10.1186/BF03352786
- ionospheric hole
- rocket launch
- total electron content
- radio astronomy