AAVSO Sudden Ionospheric Disturbance Report June 1983 Observers: A-01 A-09 A-19 A-26 A-28 A-31 A-46 A-49 A-50 A-51 A-54 A-55 A-56 YYMMDD Event Peak (UT) Importance 830601 0121 1- 830601 0251 1 830601 0500 1- 830601 1356 1 830601 2200 1- 830602 1533 1 830603 1432 1- 830603 2024 1- 830604 0229 1- 830604 1422 1- 830604 2000 1+ 830605 1209 1- 830605 1533 1- 830605 1552 1 830605 1714 1 830605 1800 1- 830605 1945 1 830605 2314 1- 830606 0315 1- 830606 0436 1- 830606 1347 2 830606 1748 1 830606 2135 1- 830607 1735 1- 830607 1915 1- 830607 2045 1- 830607 2106 1+ 830607 2239 1- 830608 1308 1- 830609 2207 1 830610 1337 1- 830610 1427 1- 830610 1802 1 830613 1540 1- 830616 1535 1+ 830619 2013 1 830619 2045 1 830619 2343 1- 830620 1431 1 830621 0208 1- 830621 1604 1- 830621 1624 1 830622 1807 1 830622 1847 1- 830624 2231 1 830625 1135 1+ 830625 1904 2 830625 2059 1+ 830626 0441 1- 830626 1423 1 830628 0133 1- 830628 2054 1- 830629 1914 1- 830629 2244 2 830629 2348 1- 830630 1820 1- ******************************************* Importance Summary June 1983 1- events: 32 1 events: 16 1+ events: 5 2 events: 3 2+ events: 0 3 events: 0 3+ events: 0 Total events: 56