SPM data at Syowa Station: after Dark-value subtraction & Van_Rhijn and Atmospheric_extinction correction
  Date    time(UT)   angle     CH-1     CH-2     CH-3     CH-4     CH-5     CH-6     CH-7     CH-8
yyyymmdd hhmnss.mss  (deg)      (R)      (R)      (R)      (R)      (R)      (R)      (R)      (R)