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Röttger, J.; Vincent, R. A.: VHF radar studies of tropospheric velocities and irregularities using spaced antenna techniques. Geophysical Research Letters 5, pp. 917 - 920 (1978)
Röttger, J.: Travelling disturbances in the equatorial ionosphere and thier association with penetrative cumulus convection. Journal of Atmospheric and Terrestrial Physics 39, pp. 987 - 998 (1977)
Röttger, J.; Czechowsky, P.: Clear-air-turbulence and tropospheric refractivity variations observed with a new VHF-radar. Naturwissenschaften 64, p. 580 (1977)
Klostermeyer, J.; Röttger, J.: Simultaneous geomagnetic and ionospheric oscillations caused by hydromagnetic waves. Planetary and Space Science 24, pp. 1065 - 1071 (1976)
Carman, E. H.; Heeran, M. P.; Röttger, J.: Simultaneous observation of fading rates on two transequatorial radio paths. Australian J. Phys. 27, pp. 741 - 744 (1974)
Röttger, J.; Schwentek, H.: A numerical description of the winter anomaly in ionospheric absorption for a sunspot cycle. Journal of Atmospheric and Terrestrial Physics 36, pp. 363 - 366 (1974)
Kelleher, R. F.; Röttger, J.: Equatorial spread-F irregularities observed at Nairobi and on the transequatorial path Lindau-Tsumeb. Journal of Atmospheric and Terrestrial Physics 35, pp. 1207 - 1211 (1973)
Röttger, J.: Some properties of large-scale equatorial spread-F irregularities interpreted by influences of atmospheric gravity waves. Zeitschrift Geophys. 39, pp. 799 - 818 (1973)
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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.
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.