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  • Absolute IR-spectra from the measurement of Fourier-spectrometers aboard Meteor 25 and 28

    Paper ID



    • V. Kempe
    • D. Oertel
    • R. Schuster
    • H. Becker-Roß
    • H. Jahn


    Academy of Sciences


    Democratic Republic of Germany




    It is -well known that temperature- and watervapour-profiles, ozone concentration, other atmospheric constituents and the surface-radiation of the earth can be determined by remote sensing in the infrared radiation range with the aid of a satellite. The narrow-band radiation measurements for remote sensing of the atmosphere and the earth-surface can be realized either by various radiometers working in selected frequency channels or, continuously in a given frequency range, by spectrometers with fixed spectral resolution. Fourier-spectrometers (FS) have been used in earth-orbit only four times up to now; Nimbus 3, Nimbus 4, Meteor 25 and Meteor 28. The most important technical parameters, the working regime and some aspects of date processing of the FS’s working aboard of Meteor 25 and Meteor 28 are given. For the determination of calibrated absolute spectra a method is used that is based on the experience of the first experiment and on the long time stability of the spectrometers. The results obtained in laboratory calibration tests and in the orbit are described.