Prognoz-9 satellites magnetometer observation database
       The  Prognoz-9  satellite was launched 01 Jun 1983 into orbit  with  perigee 380 and apogee 720000 km, orbital period was 26.7 days. Magnetic field measurements were conducted by SG-70 magnetometer with working range +/- 60 nT., accuracy about 0.3 nT. and sampling rate 1 measurement per  10.24  sec.
        Magnetic measurements and satellite position data in GSE coordinate system are presented in separate ASCII files.
  •     Magnetic data for 1983
  •     Magnetic data for 1984
  •     Position data for 1983/84