Publikationen von H. Kopka
Alle Typen
Zeitschriftenartikel (67)
41.
Zeitschriftenartikel
89, S. 11038 - 11042 (1984)
First observations of 140 MHz plasmaline backscatter during heating experiments at Tromsø. Journal Geophysical Research 42.
Zeitschriftenartikel
89, S. 1655 - 1666 (1984)
Simultaneous observations of ELF waves from an artificially modulated electrojet in space and on the ground. Journal Geophysical Research 43.
Zeitschriftenartikel
46, S. 147 - 153 (1984)
Frequency dependence of anomalous absorbation caused by high power radio waves. Journal of Atmospheric and Terrestrial Physics 44.
Zeitschriftenartikel
19, S. 1069 (1984)
Ionospheric heater beam scanning: A new technique for ELF studies of the auroral ionosphere. Radio Science 45.
Zeitschriftenartikel
27 (1984)
Raketenmessungen von Modifikationen des Ionosphärenplasmas der F-Schicht, erzeugt von der HEATING-Anlage in Nordnorwegen. KLeinheubacher Berichte (Kleinheubach, 3.-7.10.1983) 46.
Zeitschriftenartikel
89, S. 7523 - 7536 (1984)
Stimulated electromagnetic emission: A new technique to study the parametric decay instability in the ionosphere. Journal Geophysical Research 47.
Zeitschriftenartikel
45, S. 729 - 732 (1983)
Medium Frequency Radar Observations in the Middle Atmosphere. Journal of Atmospheric and Terrestrial Physics 48.
Zeitschriftenartikel
18, S. 861 - 866 (1983)
Observations of enhanced plasma lines by EISCAT during heating experiments. Radio Science 49.
Zeitschriftenartikel
18, S. 840 - 850 (1983)
Observations of HF backscatter associated with the heating experiment at Tromsø. Radio Science 50.
Zeitschriftenartikel
88, S. 6347 (1983)
Production of auroral zone E-region irregularities by ionospheric heating. Journal Geophysical Research 51.
Zeitschriftenartikel
18, S. 835 - 839 (1983)
A hysteresis effect in the generation of fieldaligned irregularities by a high-power radio wave. Radio Science 52.
Zeitschriftenartikel
88, S. 2140 (1983)
Ionospheric elctric field pulsation: A comparison between VLF results from an ionospheric heating experiment and STARE. Journal Geophysical Research 53.
Zeitschriftenartikel
88, S. 2140 (1983)
Ionospheric elctric field pulsation: A comparison between ULF results from an ionospheric heating experiment and STARE. Radio Science 54.
Zeitschriftenartikel
18, S. 831 - 834 (1983)
Summary of results obtained with the Tromsø heating facility. Radio Science 55.
Zeitschriftenartikel
18, S. 851 - 860 (1983)
Observations of stimulated electromagnetic emissions in ionooospheric heating experiments. Radio Science 56.
Zeitschriftenartikel
Observation of HF backscatter associated with the heating experiment at Tromsø. UIO-Report SR-82-02, S. 66 (1982)
57.
Zeitschriftenartikel
87, S. 1557 - 1564 (1982)
Phase changes induced in a diagnostic radio wave passing through a heated region of the auroral ionosphere. Journal Geophysical Research 58.
Zeitschriftenartikel
295, S. 680 (1982)
Nonlinear reflectivity of high-power radio waves in the inosphere. Nature 59.
Zeitschriftenartikel
87, S. 1551 - 1555 (1982)
Wide band attention of radio waves caused by powerful HF waves: Saturation and dependence on ionospheric variability. Journal Geophysical Research 60.
Zeitschriftenartikel
44, S. 1025 - 1041 (1982)
Ionospheric modification experiments in northern Scandinavia. Journal of Atmospheric and Terrestrial Physics