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An approach is demonstrated for comparing the temperature of the upperatmosphere obtained by ground-based and satellite methods. A method forcalibrating ground-based instruments (Fabry-Perot interferometer) based on thedata obtained and determining the exact altitude at which the temperature wasmeasured by ground-based means is proposed. Based on the assumption that thetemperatures are connected in a linear fashion, the coefficients of thetemperatures connection are determined by the least squares method. We useinformation on the temperature of the upper atmosphere for 2017-2018 obtainedby the SABER TIMED and MLS Aura satellite instruments, and by the Fabry-Perotinterferometer located at the Tory geophysical observatory of the ISTP of theSB RAS observing the 557.7 nm oxygen line, the emission height is ~ 100 km. Thescale factor about 0.99 and the displacement coefficient about 120K wereobtained for the temperature data using an interferometer at a height of 92 kmfor which the seasonal variation of the temperatures of the interferometer mostclosely corresponds to the seasonal variation of the temperatures obtained bySABER TIMED. The coefficients can then be used as calibration values for theinterferometer.

Comparison of the upper atmosphere temperature obtained by ground-based and satellite instruments