Zelenchukskaya Radio Astronomy Observatory

Zelenchukskaya Radio Astronomy Observatory is a fixed space-geodesy site of the Institute of Applied Astronomy of the Russian Academy of Sciences. The IVS inventory lists it as a VLBI network station, while ILRS identifies its colocated satellite laser ranging system as ZELL, station 1889, with DOMES reference 12351S002. This record represents the observatory site as one facility, combining its radio and laser geodetic roles. The map uses the reference coordinates published in the individual ILRS station profile. Sources: [ILRS station profile](https://ilrs.gsfc.nasa.gov/network/stations/active/ZELL_station_info.html); [ILRS operational station inventory](https://ilrs.gsfc.nasa.gov/network/stations/active/index.html); [IVS station inventory](https://ivscc.gsfc.nasa.gov/about/org/components/ns-list.html). Sources checked 17 October 2026.