Isham, B.; Rietveld, M. T.; Hagfors, T.; La Hoz, C.; Mishin, E.; Kofman, W.; Leyser, T. B.; van Eyken, A. P.: Aspect angle dependence of HF enhanced incoherent backscatter. Advances in Space Research 24, pp. 1003 - 1006 (1999)
Barr, R.; Stubbe, P.; Rietveld, M. T.; Nielsen, E.: Enhanced ELF wave generation efficiency using `O' mode HF heating in the ionosphere: An instrumental explanation. Geophysical Research Letters 25, p. 3489 (1998)
Blagoveschenskaya, N. F.; Kornienko, V. A.; Petlenko, A. V.; Brekke, A.; Rietveld, M. T.: Geophysical phenomena during an ionospheric modification experiment at Tromsø. Annales Geophysicae 16 (10), pp. 1212 - 1225 (1998)
Blagoveshchenskaya, N. F.; Kornienko, V. A.; Rietveld, M. T.; Thidé, B.; Brekke, A.; Moskvin, I. V.; Nozdrachev, S.: Stimulated emissions around second harmonic of Tromsø heater frequency observed by long-distance diagnostic HF tools. Geophysical Research Letters 25 (6), pp. 873 - 876 (1998)
Collis, P. N.; Rietveld, M. T.: Mesospheric observations with the EISCAT UHF radar during polar cap absorption events: 3. Comparison with simultaneous EISCAT VHF measurements. Annales Geophysicae 16 (10), pp. 1355 - 1366 (1998)
Eglitis, P.; Robinson, T. R.; Rietveld, M. T.; Wright, D. M.; Bond, G. E.: The phase speed of artificial field-aligned irregularities observed by CUTLASS during HF modification of the auroral ionosphere. Journal Geophysical Research 103, pp. 2253 - 2259 (1998)
Rietveld, M. T.; Goncharov, N. P.: Artificial periodic irregularities from the Tromsø Heating facility. Advances in Space Research 21, pp. 693 - 696 (1998)
Robinson, T. R.; Bond, G.; Eglitis, P.; Honary, F.; Rietveld, M. T.: RF heating of a strong auroral electrojet. Advances in Space Research 21, pp. 689 - 692 (1998)
Robinson, T. R.; Stocker, A. J.; Bond, G. E.; Eglitis, P.; Wright, D.; Jones, T. B.; Rietveld, M. T.: First CUTLASS-EISCAT heating results. Advances in Space Research 21, pp. 663 - 666 (1998)
Sedgemore, K. J. F.; Wright, J. W.; Williams, P. J. S.; Jones, G. O. L.; Rietveld, M. T.: Plasma drift estimates from the dynasonde: comparison with EISCAT measurements. Annales Geophysicae 16 (10), pp. 1138 - 1143 (1998)
Tereshchenko, E. D.; Khudukon, B. Z.; Rietveld, M. T.; Brekke, A.: Spatial structure of auroral day-time ionospheric electron density irregularities generated by a powerful HF-wave. Annales Geophysicae 16 (7), pp. 812 - 820 (1998)
Bond, G. E.; Robinson, T. R.; Eglitis, P.; Wright, D. M.; Stocker, A. J.; Rietveld, M. T.; Jones, T. B.: Spatial observations by the CUTLASS coherent scatter radar of ionospheric modification by high power radio waves. Annales Geophysicae 15 (11), pp. 1412 - 1421 (1997)
Yeoman, T. K.; Wright, D. M.; Robinson, T. R.; Davies, J. A.; Rietveld, M. T.: High spatial and temporal resolution observations of an impulse-driven field line resonance in radar backscatter artificially generated with the Tromsø heater. Annales Geophysicae 15 (6), pp. 634 - 644 (1997)
Isham, B.; La Hoz, C.; Kohl, H.; Hagfors, T.; Leyser, T. B.; Rietveld, M. T.: Recent EISCAT heating results using chirped ISR. Journal of Atmospheric and Terrestrial Physics 58, pp. 369 - 383 (1996)
Kohl, H.; Rietveld, M. T.: Harmonics of the ion acoustic frequency in the heater induced ion spectrom. Journal Geophysical Research 101, pp. 5391 - 5395 (1996)
Rietveld, M. T.; Collis, P. N.; van Eyken, A. P.; Løvhaug, U. P.: Coherent echoes during EISCAT UHF common programmes. Journal of Atmospheric and Terrestrial Physics 58, pp. 161 - 174 (1996)
Djuth, F. T.; Stubbe, P.; Sulzer, M. P.; Kohl, H.; Rietveld, M. T.; Elder, J. H.: Altitude characteristics of plasma turbulence excited with the Tromsø superheater. Journal Geophysical Research 99 (A1), pp. 333 - 339 (1994)
Application deadline 1 October 2024. PhD projects in planetary science, solar and stellar physics, solar magnetism, heliophysics, helioseismology, asteroseismology, ...
First Light for Sunrise III: the first tests with real sunlight were successful. The balloon-borne solar observatory should be ready for launch at the end of May.
In analyzing solar observations from the 19th century, scientists are turning to amateur researchers for help. The project will allow to better understand the history of our star.
Astronomical teamwork: By combining data from Solar Orbiter and SDO, a group of researchers has unambiguously determined the magnetic field at the solar surface.
Application deadline 1 October 2023. PhD projects in planetary science, solar and stellar physics, solar magnetism, heliophysics, helioseismology, asteroseismology, ...
Philipp Löschl has co-authored an excellent publication on Solar Orbiter data which has been awarded best Solar Physics paper of 2022 (Gherardo Valori et al. 2022)