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Pan, C. J.; Liu, C. H.; Röttger, J.; Su, S. Y.: A three dimensional study of E region irregularity patches in the equatorial anomaly region using the Chung-Li VHF radar. Geophysical Research Letters 21, pp. 1763 - 1766 (1994)
Röttger, J.: Middle atmosphere and lower thermosphere processes at high latitudes studied with the EISCAT radars. Journal of Atmospheric and Terrestrial Physics 56, pp. 1173 - 1195 (1994)
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Fu, I. J.; Liu, C. H.; Röttger, J.; Chao, J. K.: Subtropical middle atmosphere dynamics observed by the Chung-Li radar. Advances in Space Research 10, pp. (10)269 - (10)271 (1990)
Kelley, M. C.; Ulwick, J. C.; Röttger, J.; Inhester, B.; Hall, T.; Blix, T.: Intense turbulence in the polar mesosphere: rocket and radar measurements. Journal of Atmospheric and Terrestrial Physics 52, pp. 875 - 891 (1990)
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Röttger, J.; La Hoz, C.: Characteristics of polar mesosphere sumer echoes (PMSE) observed with the EISCAT 224 MHz radar and possible explanations of their origin. Journal of Atmospheric and Terrestrial Physics 52, pp. 893 - 906 (1990)
Röttger, J.; La Hoz, C.; Franke, S. J.; Liu, C. H.: Steepening of relfectivity structures detected in high-resolution Doppler spectra of polar mesosphere summer echoes (PMSE) observed with the EISCAT 224 MHz radar. Journal of Atmospheric and Terrestrial Physics 52, pp. 939 - 954 (1990)
First Light! The spectro-polarimeter of the world's largest solar telescope in Hawaii looks at the Sun for the first time. The instrument was developed in Germany.
Analyzing the high spatial resolution solar Ca II H and K emission data obtained by the SUNRISE mission and building a model of other stars more active than the Sun
Dr. Theodosios Chatzistergos receives award by the European Space Weather and Space Climate Association for his research findings on the historical activity of the Sun.
The Zdenĕk Švetska Senior Prize of the Solar Physics Division of the European Physical Society (EPS) recognizes Solanki’s pioneering contributions to solar research.