Maintained by: Center for Space Science and Applied Research, Beijing, and China Research Institute of Radiowave Propagation, Xinxiang, Henan Province.

Summary of Data Held: Raw data (density of upper atmosphere, 500-900 km, charged particle flux in near Earth space) from DQ-1 and SJ-4 satellites.

Observational data from cosmic ray observatories: Beijing from 1960; Guangzhou from 1987: Beijing superneutron monitor from 1984.

Observational data from 5 Chinese geomagnetic observatories (hourly mean values).

Observational data from 5 Chinese ionospheric observatories.

Global geomagnetic and ionospheric data during IGY 1958-1959.

User Services: Open to visitors during normal working hours.

Publications: Cosmic ray intensity, hourly meson intensity, 1960-1986, superneutron monitor data, 1984-1994 (Beijing Cosmic Ray Observatory).

NOTE: Vertical incidence ionospheric data (ground based and topside sounder ionograms) are held at the China Research Institute of Radiowave Propagation, P.O.Box 2525, Xinxiang, Henan Province.