STRUCTURE OF THE DATABASE FILES



  1. Files with sunspot magnetic fields data
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  Column   Format    Description
______________________________________________

  1-2       I2       Day of month
  3-4       I2       Month (numerical)
  5-8       I4       Year
  9         A1       Blank
  10-13     I4       UT in hhmm
  14        A1       Blank
  15-19     A5       Sc - atmospheric flutter in arc sec
  20        A1       Blank
  21-25     A5       S - quality of the Sun image
  26-27     A2       Blank
  28-31     A4       Number of sunspots (numbering from unit every day)
  32        A1       Blank
  33-36     I4       Sunspot magnetic field strength in G
  37        A1       Blank
  38        A1       Polarity (N or S)


  2. Files with statistics per days
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 Column   Format     Description
__________________________________________________

  1-2       I2       Day of month
  3-4       I2       Month (numerical)
  5-8       I4       Year
  9         A1       Blank
  10-13     I4       UT in hhmm
  14        A1       Blank
  15-19     A5       Sc - the atmospheric flutter in arc sec
  20        A1       Blank
  21-25     A5       S - the quality of the Sun image
  26        A1       Blank
  27-32     I6       Sum of sunspot magnetic field strength 
                     values in H, calculated in the given
                     day for N and S polarity spots 
  33        A1       Blank
  34-35     I2       Total number of N and S polarity 
                     sunspots for which the magnetic field 
                     strength values in the given day 
                     are measured
  36        A1       Blank
  37-42     I6       Sum of sunspot magnetic field strength 
                     values in H, calculated in the given
                     day for N polarity sunspots 
  43        A1       Blank
  44-45     I2       Total number of N polarity 
                     sunspots for which the magnetic field 
                     strength values in the given day 
                     are measured
  46        A1       Blank
  47-52     I6       Sum of sunspot magnetic field strength 
                     values in H, calculated in given 
                     day for S polarity spots 
  53        A1       Blank
  54-55     I2       Total number of S polarity 
                     spots for which the magnetic field 
                     strength values in the given day 
                     are measured

  3. Files with magnetic index
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 Column   Format     Description
__________________________________________________
  3-4       I2       Month OR blank (for yearly data)
  5-8       I4       Year
  10-13     I4       Total number of sunspots for which the magnetic field 
                     strength values in the given month/year range are measured
  15-22     I8       Sum of sunspot magnetic field strength for this month/year
  24-29     I6       Average sunspot magnetic field strength ("magnetic index") 
                     for this month/year