Publications of P. Stubbe

Stubbe, P.; Kopka, H.: Stimulated electromagnetic emission in a magnetized plasma: A new symmetric spectral feature. Physical Review Letters 65, pp. 183 - 186 (1990)

Derblom, H.; Thidé, B.; Leyser, T. B.; Nordling, J. A.; Hedberg, Å.; Stubbe, P.; Kopka, H.; Rietveld, M. T.: Tromsø heating experiments: Stimulated emission at HF pump harmonic and subharmonic frequencies. Journal Geophysical Research 94, pp. 10111 - 10120 (1989)

Leyser, T. B.; Thidé, B.; Derblom, H.; Hedberg, Å.; Lundborg, B.; Stubbe, P.; Kopka, H.: Stimulated Electromagnetic Emission near Electron Cyclotron Harmonics in the Ionosphere. Physical Review Letters 63, pp. 1145 - 1147 (1989)

Rietveld, M. T.; Stubbe, P.; Kopka, H.: On the frequency dependence of ELF/VLF waves produced by modulated ionospheric heating. Radio Science 24, pp. 270 - 278 (1989)

Stubbe, P.: Theory of electrostatic waves in an E region plasma. 1. General formulation. Journal Geophysical Research 94, pp. 5303 - 5315 (1989)

Barr, R.; Rietveld, M. T.; Stubbe, P.; Kopka, H.: Ionospheric heater beam scanning: A realistic model of this mobile source of ELF/VLF radiation. Radio Science 23, pp. 379 - 388 (1988)

Nordling, J. A.; Hedberg, Å.; Wannberg, G.; Leyser, T. B.; Derblom, H.; Opgenoorth, H. J.; Kopka, H.; Kohl, H.; Stubbe, P.; Rietveld, M. T. et al.; La Hoz, C.: Simultaneous bi-static European Incoherent Scatter UHF, 145 - MHz radar and stimulated electromagnetic emission observations during HF ionospheric modification. Radio Science 23, pp. 809 - 819 (1988)

Rietveld, M. T.; Kopka, H.; Stubbe, P.: Pc1 ionospheric electric field oscillations. Annales Geophysicae 6, pp. 381 - 388 (1988)

Wright, J. W.; Kopka, H.; Stubbe, P.: A large-scale ionospheric depletion by intense radio wave heating. Geophysical Research Letters 15, pp. 1531 - 1533 (1988)

Barr, R.; Rietveld, M. T.; Stubbe, P.; Kopka, H.: Ionospheric heater beam scanning: A mobile source of ELF radiation. Radio Science 22, pp. 1073 - 1083 (1987)

Basu, S.; Basu, S.; Stubbe, P.; Kopka, H.; Waarama, J.: Daytime scintillations induced by high-power HF waves at Tromsø, Norway. Journal Geophysical Research 92, pp. 11149 - 11157 (1987)

Grassmann, V.; Kohl, H.; Stubbe, P.: Inkohärente Rückstreuspektren unter Berücksichtigung von Teilchengrößen. Kleinheubacher Berichte 30, pp. 113 - 118 (1987)

Kohl, H.; Kopka, H.; La Hoz, C.; Stubbe, P.: Propagation of artificially excited Langmuir waves in the ionosphere. Radio Science 22, pp. 655 - 661 (1987)

Rietveld, M. T.; Mauelshagen, H.-P.; Stubbe, P.; Kopka, H.; Nielsen, E.: The characteristics of ionospheric heating-produced ELF/VLF waves over 32 hours. Journal Geophysical Research 92, p. 8707 (1987)

Rietveld, M. T.; Stubbe, P.: Ionospheric demodulation of powerful pulsed radio waves: A potential new diagnostics for radars suggested by Tromsø heater results. Radio Science 22, pp. 1084 - 1090 (1987)

Stubbe, P.: A new collisional relaxation model for small deviations from equilibrium. Journal of Plasma Physics 38, pp. 95 - 116 (1987)

Barr, R.; Stubbe, P.; Rietveld, M. T.; Kopka, H.: ELF and VLF signals radiated by the ``Polar Electrojet Antenna'': Experimental results. Journal Geophysical Research 91, pp. 4451 - 4459 (1986)

Barr, R.; Stubbe, P.; Rietveld, M. T.; Kopka, H.: ELF and VLF signals radiated by the "Polar Electrojet Antenna": experimental results. Journal Geophysical Research 91, pp. 4451 - 4459 (1986)

Hanuise, C.; Hedberg, A.; Oksman, J.; Nielsen, E.; Stubbe, P.; Kopka, H.: Comparison between the ionospheric plasma drift and the motion of artificially induced irregularities as observed by HF backscatter radars. Annales Geophysicae 4, p. 49 (1986)

Hedberg, Å.; Derblom, H.; Hamberg, G.; Thidé, B.; Kopka, H.; Stubbe, P.: Measurements of HF backscatter cross section for striations created by ionospheric heating at different power levels. Radio Science 21, pp. 117 - 125 (1986)