AAVSO Sudden Ionospheric Disturbance Report July 1993 Observers: A-09 A-40 A-50 A-59 A-61 A-62 A-63 A-65 A-66 A-67 A-68 A-69 A-70 A-71 A-72 A-73 A-74 A-75 A-76 A-77 A-78 A-79 A-80 A-81 YYMMDD Event Peak (UT) Importance 930701 0048 1- 930701 0255 2+ 930701 1450 2 930701 1646 1 930701 2100 1- 930701 2155 2 930702 0649 1- 930702 0836 1 930702 1030 1- 930702 1319 2 930702 1745 1- 930703 1046 1- 930703 1101 2+ 930703 1322 1+ 930703 1357 1- 930703 1548 2+ 930703 1716 1- 930703 1809 1- 930703 1814 3 930703 1825 2 930703 2021 1 930704 0729 1+ 930704 0734 1- 930704 0751 2+ 930704 1020 1- 930704 1103 1- 930704 1115 1- 930704 1128 1+ 930704 1202 2+ 930704 1229 1+ 930704 1639 1 930705 0713 1- 930705 0933 1- 930705 1132 1- 930705 2327 1 930706 0814 1 930706 1007 2 930706 1106 1 930707 1048 1- 930707 1137 1 930707 1236 1- 930707 1334 1- 930707 1400 1- 930708 1216 1- 930709 1558 2 930709 1853 2 930710 2257 1- 930711 0606 1- 930713 1354 2 930714 0659 1 930714 1225 1 930714 2039 1- 930715 1745 1- 930717 0834 2+ 930717 1624 1 930717 2201 1 930718 1200 1- 930718 1415 1- 930718 1545 1- 930718 1807 1- 930718 1833 1 930718 1850 1- 930719 1150 1- 930720 1522 1 930720 1555 1- 930720 1832 1+ 930720 2029 1- 930722 0900 1+ 930722 1611 1- 930722 1626 1- 930723 0717 1 930723 1915 1- 930723 2149 2 930726 1136 1 930727 1544 2+ 930728 1221 2 930731 1050 1- 930731 1201 2+ 930731 1434 1+ ******************************************* Importance Summary July 1993 1- events: 37 1 events: 16 1+ events: 7 2 events: 10 2+ events: 8 3 events: 1 3+ events: 0 Total events: 79