New antex file for ground antenna Starec D is available at ftp://ftp.ids-doris.org/pub/ids/stations/doris_phase_law_antex_starecD.txt
Information about ground antenna antex files can be found in ftp://ftp.ids-doris.org/pub/ids/stations/doris_phase_law_antex_readme.txt
Added the presentation of P. Stepanek et al at IUGG General Assembly