Assessing the quality of ionogram interpretation using the HF Doppler technique

by D. Buresova, V. Krasnov, V. Krasnov, Ya. Drobzheva, Ya. Drobzheva, J. Lastovicka, J. Chum, F. Hruska
Published 2007-05-01

Space weather effects on the MAGION-4 and MAGION-5 solar cells

by P. Tříska, A. Czapek, J. Chum, F. Hruška, J. Šimůnek, J. Šmilauer, V. Truhlík, J. Vojta
Published 2005-11-01