Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Since the Irkutsk IS radar is based on station "Dnepr", which was not intended for IS measurements, we made a serios effort to modernize this station in order to carry out ionospheric observations. Four main directions of the development of the radar experimental base: . modernization of the radar receiving system; . development of primary processing and measurement control methods; . ...