AAVSO Sudden Ionospheric Disturbance Report July 1986 Observers: A-19 A-26 A-46 A-50 A-52 A-59 YYMMDD Event Peak (UT) Importance 860710 1346 1- 860711 0501 1- ******************************************* Importance Summary July 1986 1- events: 2 1 events: 0 1+ events: 0 2 events: 0 2+ events: 0 3 events: 0 3+ events: 0 Total events: 2