AAVSO Sudden Ionospheric Disturbance Report July 1992 Observers: A-03 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 YYMMDD Event Peak (UT) Importance 920701 1115 1- 920701 1155 1- 920701 1215 1 920701 1310 1+ 920701 1642 1- 920701 1722 1 920701 2111 1- 920701 2200 1 920701 2229 1+ 920702 1422 1- 920702 1438 1- 920702 1632 1+ 920702 1723 1- 920702 2008 1- 920703 0958 3 920703 1422 1+ 920704 1235 1 920704 1410 2+ 920704 2220 1+ 920704 2250 1+ 920705 0225 2+ 920705 0558 1- 920705 0717 1 920705 0847 1+ 920705 0930 1 920705 1033 1- 920705 1203 1 920705 1237 1+ 920705 1316 1- 920705 1414 2 920705 1445 1+ 920705 1529 1+ 920705 1800 2+ 920705 2000 2 920705 2115 1- 920705 2135 1- 920705 2212 2 920705 2341 2 920706 0153 1 920706 0623 1 920706 1609 2 920706 1815 2+ 920706 2253 1- 920706 2315 1 920707 0505 1- 920707 0630 1- 920707 0814 1+ 920707 1121 1- 920707 1135 2+ 920707 1433 1 920707 1518 1- 920707 1606 2 920707 1715 1 920707 1735 1- 920707 1932 1 920707 2015 1- 920707 2232 1- 920708 0948 2 920708 1123 1- 920708 1209 1- 920708 1245 1- 920708 1420 1+ 920708 1500 1- 920708 1632 1- 920709 0357 1 920709 1029 1- 920709 1612 1+ 920709 1640 1+ 920709 1702 2+ 920710 0901 1- 920710 0954 1 920710 1101 1- 920710 1410 1 920710 1516 1- 920710 1624 1+ 920710 1906 1- 920710 1953 1 920710 2030 1- 920710 2203 2+ 920710 2313 2 920710 2350 1- 920711 0837 1 920711 1148 1+ 920711 1525 2 920711 1600 1 920712 0645 1 920712 0933 1+ 920712 1250 1- 920712 1409 1 920712 1722 1 920712 1835 1- 920712 1914 2 920712 2040 1- 920712 2116 2 920713 0804 2+ 920713 0930 1+ 920713 1338 1- 920713 1445 2 920713 1654 1- 920713 1720 1 920713 1815 2+ 920713 2013 2+ 920713 2122 1 920713 2200 1- 920714 1016 1 920714 1040 1 920714 1227 2+ 920714 1536 1+ 920714 1700 1 920714 1723 1 920714 1750 2 920714 2227 2+ 920714 2320 1- 920715 1114 1- 920715 1145 2 920715 1500 1 920715 1820 1- 920716 1444 1- 920716 1605 1- 920716 1659 2 920717 1221 1- 920717 1528 1 920717 1605 1- 920717 1717 2 920717 1838 1- 920717 1848 1 920717 2112 1 920717 2240 1 920717 2322 2 920718 1055 1 920718 1117 1- 920718 1342 2+ 920718 1600 1 920718 1617 1- 920718 2037 2 920718 2248 1- 920719 1900 2 920722 1133 1- 920722 1253 1 920725 1205 1- 920725 1738 1 920726 1159 1- 920726 1215 1 920727 0610 2 920727 1131 1- 920727 1324 1 920727 1515 1- 920727 2216 1- 920729 1209 1 920729 1504 1+ 920729 1801 2 920730 1616 1 920730 2136 1- 920730 2236 1 920731 1335 1+ 920731 1930 1 ******************************************* Importance Summary July 1992 1- events: 57 1 events: 43 1+ events: 21 2 events: 21 2+ events: 13 3 events: 1 3+ events: 0 Total events: 156