AAVSO Sudden Ionospheric Disturbance Report March 1983 Observers: A-01 A-09 A-19 A-26 A-28 A-31 A-46 A-49 A-50 A-51 A-52 A-54 A-55 A-56 YYMMDD Event Peak (UT) Importance 830301 0145 1- 830301 0721 1- 830301 1053 1 830301 1320 1- 830301 2115 1 830301 2211 1- 830301 2317 1- 830304 1748 1+ 830304 2008 1 830304 2043 1 830305 2321 1- 830306 0731 1 830306 1529 1+ 830309 0156 1- 830309 1900 1- 830310 0922 1+ 830311 1912 1+ 830312 1429 1+ 830312 1633 3 830312 2328 1 830313 2212 1- 830314 1550 1 830314 1743 1- 830314 1814 1- 830314 2031 1+ 830315 1500 1 830315 1901 1- 830316 2206 1 830317 0049 1- 830317 0233 1+ 830317 0449 1- 830317 0730 1- 830317 0913 1+ 830317 1107 1- 830317 1343 1+ 830317 2018 2+ 830317 2334 1- 830318 0106 1- 830318 0206 2 830318 0446 1 830318 0812 1 830318 1418 1- 830318 1857 1- 830320 0538 1- 830321 2024 1- 830321 2127 1- 830323 1856 1- 830326 0615 1- ******************************************* Importance Summary March 1983 1- events: 25 1 events: 11 1+ events: 9 2 events: 1 2+ events: 1 3 events: 1 3+ events: 0 Total events: 48