AAVSO Sudden Ionospheric Disturbance Report October 1983 Observers: A-01 A-49 YYMMDD Event Peak (UT) Importance 831005 1504 2+ 831005 1746 2+ 831012 1717 1+ 831012 1742 2 831014 1601 2+ 831016 1702 2 831016 2008 2 831017 1543 1 831019 1440 2+ 831019 1800 2+ 831019 2009 2 831024 1903 2+ 831031 1620 2 ******************************************* Importance Summary October 1983 1- events: 0 1 events: 1 1+ events: 1 2 events: 5 2+ events: 6 3 events: 0 3+ events: 0 Total events: 13