AAVSO Sudden Ionospheric Disturbance Report 
     February 1997
  
     Observers:
     A-09   A-50   A-52   A-61   A-62   
     A-63   A-69   A-70   A-71   A-72   
     A-73   A-74   A-75   A-76   A-77   
     A-78   A-80   A-81   A-82   A-83   
     A-84   A-85   A-86   
     
     YYMMDD      Event Peak (UT)   Importance
     970202         1059                1- 
     970202         1147                1- 
     970202         1351                1- 
     970202         1933                1- 
     970202         2123                1- 
     970204         1122                1- 
     970204         1852                1- 
     970219         2224                1  
     970220         0807                1  
     970220         1148                1- 
     *******************************************
     Importance Summary February 1997
        1- events:  8
        1  events:  2
        1+ events:  0
        2  events:  0
        2+ events:  0
        3  events:  0
        3+ events:  0
     Total events:  10