SUDDEN IONOSPHERIC DISTURBANCES  2006-06-16

Station     Type          Imp.          Time             Accuracy
NIJMEJEN    SES            1+   14.21 - 14.27 - 15.12    definite >2min.     
NIJMEJEN    SPA-pa         2    14.22 - 14.26 - 15.08    definite >2min.     

DESCRIPTION

Ionospheric disturbances for a particular day:
-  Warning Centre or magnetic observatory (station),
-  type of phenomena,
-  importance of SID,
-  time (hour and minutes) of beginning-maximum-end of the SID,
-  definitiveness (in the scale: definite, reasonable, fair, questionable)
   and time qualifier (within or not within 2 minutes).