AAVSO Sudden Ionospheric Disturbance Report January 1992 Observers: A-03 A-09 A-40 A-50 A-52 A-59 A-61 A-62 A-63 A-64 A-65 A-66 A-67 A-68 A-69 A-70 A-71 A-72 A-73 A-74 YYMMDD Event Peak (UT) Importance 920101 0911 1 920101 1131 1+ 920101 1204 2 920101 1251 1+ 920101 1548 1 920101 1629 1 920101 1740 1- 920101 1945 1 920101 2004 1- 920101 2022 1- 920101 2034 1 920101 2051 2 920101 2143 1- 920102 1222 2 920102 1433 2+ 920102 1646 1+ 920102 1730 1- 920102 1752 1- 920102 1802 1 920102 1839 2 920102 1929 2 920102 2107 2 920102 2143 2 920103 0939 1+ 920103 1045 1- 920103 1345 1+ 920103 1716 2+ 920103 1903 2 920103 2141 2 920103 2228 2 920103 2314 1+ 920104 1116 2+ 920104 1345 1 920104 1620 1+ 920104 1647 1 920104 1836 2+ 920105 0834 1+ 920105 0956 2 920105 1321 1+ 920105 1345 1- 920105 1659 1- 920105 1705 1+ 920105 1840 2 920105 2001 2+ 920105 2030 1+ 920105 2218 2 920106 1436 1+ 920106 2308 2 920107 0046 1- 920107 0826 1 920107 1345 1+ 920107 1436 2 920107 1455 1 920107 1616 1 920107 2025 1+ 920108 0844 2 920108 1137 1- 920108 1300 1 920108 1422 1- 920108 1608 1 920108 1830 1+ 920108 1930 1 920109 0314 1- 920109 1244 2 920109 1957 1+ 920110 1253 1+ 920111 1322 2 920111 1952 1- 920112 1159 1+ 920112 1454 2 920112 1737 1- 920113 1732 2+ 920113 1909 2+ 920113 2305 2 920114 1313 1- 920114 1635 1 920114 1927 2+ 920114 2141 2+ 920115 0907 1+ 920115 1416 1 920115 1437 2+ 920115 1550 2+ 920115 1901 2+ 920116 1750 1 920117 1136 1+ 920117 2237 1 920118 0830 1- 920118 1539 1 920118 2123 2 920118 2205 1- 920118 2222 1 920119 1247 1- 920119 1543 1 920120 0812 2 920120 1436 1- 920120 2113 1- 920121 1506 1 920121 1616 1- 920121 1903 1 920121 1944 2+ 920121 2044 1- 920122 0955 1- 920122 1746 1- 920122 1759 1- 920122 2027 1- 920123 1223 1 920123 1448 1- 920123 1530 1+ 920123 1607 1- 920124 1253 1- 920124 1456 1- 920124 1533 2+ 920125 0830 1 920125 0954 1- 920125 1253 1- 920125 1333 1+ 920125 1805 2 920125 1946 1 920125 2216 1+ 920125 2302 2 920126 0000 2 920126 0811 1- 920126 0814 1- 920126 1220 1 920126 1315 2+ 920126 1445 1- 920126 1529 2+ 920126 1646 2 920126 2155 1+ 920127 0855 1 920127 1744 1 920128 1710 2 920128 1832 1- 920128 2103 1+ 920129 0745 2 920129 1002 2 920129 1446 2+ 920129 1543 2+ 920129 1721 2 920129 1945 2 920129 2236 2 920130 0848 1- 920130 0940 2 920130 1016 1- 920130 1130 1- 920130 1400 1+ 920130 1424 1 920130 1544 1- 920130 1600 1+ 920130 1710 2+ 920130 1737 1+ 920130 1815 1 920130 1954 3 920130 2101 2+ 920131 1234 1 920131 1502 2 920131 1810 2 920131 1902 1+ 920131 1917 2+ ******************************************* Importance Summary January 1992 1- events: 41 1 events: 32 1+ events: 29 2 events: 35 2+ events: 21 3 events: 1 3+ events: 0 Total events: 159