The Arequipa satellite laser ranging station is located at UNSA's Characato observatory on Cerro San Francisco. ILRS identifies the local agency as the Universidad Nacional de San Agustín de Arequipa and lists NASA as the responsible agency for the ranging system. The station is AREL, number 7403, with DOMES reference 42202M003. This record represents the fixed ranging site, using the reference coordinates published in its individual ILRS station profile. Sources: [Official source 1](https://ilrs.gsfc.nasa.gov/network/stations/active/AREL_station_info.html); [Official source 2](https://ilrs.gsfc.nasa.gov/network/stations/active/index.html); [Official source 3](https://www.unsa.edu.pe/). Sources checked 17 October 2026.