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We present ozone volume mixing ratio profiles obtained by the ORA instrument during the period Aug. 1992–Apr. 1993. They have been retrieved by applying a specific inversion algorithm to a radiometric UV channel contaminated by Rayleigh scattering. The results compare reasonably well with other instruments up to the mesopause and are probably the first extended ozone data in the lower thermosphere (90–110 km).
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Fussen et al. (2000) studied this question.
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