Quasar VLBI Network
The Quasar VLBI Network consists of three radio astronomical observatories: “Svetloe”, “Zelenchukskaya” and “Badary”. The observatories are located in the Leningrad Province, the Karachaevo-Cherkessian republic and the Buryatiya republic respectively and are connected with the IAA Correlation Processing Center located in St. Petersburg.