Sudden Ionospheric Disturbance Report -- February,2011 -- A102 F Steyn, Villiersdorp, South Afri - 24.0Khz (NAA) 19.8Khz (NWC) A115 M Suhovecky, Mishawaka, Indiana - 24.0Khz (NAA) A118 L Loudet, Southern France - 77.5khz (DCF) 24.0Khz (NAA) A119 J Godet, Beauvais, France - 19.6Khz (GBZ) 19.0Khz (GQD) 20.3Khz (ICV) A121 R Howe, Fort Collins, CO - 25.2khz (NML) A122 F Adamson, Australia - 19.8Khz (NWC) A124 G Myers, Bothell, WA - 24.8kHZ (NLK) A125 S Oatney, Partridge, KS - 25.2khz (NML) A126 G Perry, Cardiff, UK - 23.4khz (DHO) A128 G Richardson, Marblemount, WA - 21.4Khz (NPM) A80 P King, Cambridge, England - 15.1Khz (HWU) A87 M Hill, Marlboro, MA - 24.0Khz (NAA) A91 L Anderson, Perth, Australia - 19.8Khz (NWC) A96 R Battaiola, Milan, Italy - 15.1Khz (HWU) A97 J Wallace, Torrington, CT - 24.0Khz (NAA) A99 M King, Sussex, England - 15.1Khz (HWU) 40 021109 0128 0200 0130 1+ 5PM21 A128 40 021114 1724 1800 1727 2 5PM21 A128 40 021114 1926 1954 1930 1+ 4PM21 A128 40 021115 0034 0058 0037 1 2PM21 A128 40 021115 0148 0222 0151 3+ 5PM21 A128 40 021116 0102 0130 0103 1+ 2PM21 A128 40 021116 0136 0210 0139 2 5PM21 A128 40 021117 0143 0208 0145 1 3PM21 A128 40 021118 1751 1806 1753 1- 2PM21 A128 40 021118 1903 1917D1907 1- 2PM21 A128 40 021118 1917 1950 1920 2 3PM21 A128 40 021118 2100 2145 2104 2 5PM21 A128 40 021124 1936 2001 1939 1 2PM21 A128 40 110201 2317 2346U2333 1+ 5LK25 A124 40 110204 1216 1235 1218 3+ 3CF78 A118 40 110204 1216 1234 1221 1- 5BZ20 A119 40 110204 1216 1236 1220 1 3QD22 A119 40 110208 1844 1911 1857 1+ 5LK25 A124 40 110208 1845 1930 1855 1- 5NM25 A121 40 110208 1852 1859 1854 1- 1ML25 A125 40 110208 2054 2121 2114 1+ 5LK25 A124 40 110208 2107 2148 2114 1 5NM25 A121 40 110208 2107 2131 2111 1 1ML25 A125 40 110209 0129 0131 0129 1- 5WC20 A122 40 110209 0130 0140 0133 1- 1WC20 A91 40 110210 0633 0652 0639 1 1WC20 A102 40 110210 0655 0723 0658 1+ 1WC20 A102 40 110210 1226 1303 1234 2 5WU21 A96 40 110210 1231 1306 1235 2 5QD22 A119 40 110210 1231 1312 1235 2 5CV20 A119 40 110210 1231 1312 1234 2 5BZ20 A119 40 110210 1232 1330 1233 3+ 4CF78 A118 40 110210 1345 1415 1351 3+ 3CF78 A118 40 110210 1345 1408 1351 1 5BZ20 A119 40 110210 1346 1417 1351 1+ 4CV20 A119 40 110210 1347 1408 1352 1 4QD22 A119 40 110212 1430 1520 1505 2+ 4WU20 A80 40 110212 1450 1516 1501 1+ 3QD22 A119 40 110212 1453 1520 1501 1+ 5BZ20 A119 40 110212 1455 1518 1459 3+ 2CF78 A118 40 110212 1458 1515 1502 1- 3CV20 A119 40 110213 1230 1240 1235 1- 3WU20 A80 40 110213 1253 1320 1300 1+ 3BZ20 A119 40 110213 1321 1340D1332 1 5BZ20 A119 40 110213 1323 1345 1331 3+ 1CF78 A118 40 110213 1330 1405 1350 2 4WU20 A80 40 110213 1340 1445 1352 3+ 4CF78 A118 40 110213 1340E1518 1358 3 5BZ20 A119 40 110213 1342 1408 1436 2+ 5AA24 A115 40 110213 1342 1450 1402 2+ 4CV20 A119 40 110213 1344 1433 1358 2+ 2AA24 A102 40 110213 1729 2104 1740 3+ 3ML25 A125 40 110213 1732 1805 1735 3+ 5AA24 A118 40 110213 1732 1827 1748 2+ 5AA24 A97 40 110213 1733 1744 1740 1- 5LK25 A124 40 110213 1734 1738 1745D 1- 5AA24 A115 40 110213 1912 2139 1916 3+ 3ML25 A125 40 110214 0829 0859 0845 1+ 3QD22 A119 40 110214 0830 0902 0846 1+ 4BZ20 A119 40 110214 0830 0905 0850 2 3WU20 A80 40 110214 0837 0920 0846 2 2WC20 A102 40 110214 0837 0858 0843 3+ 2CF78 A118 40 110214 1150 1225 1200 2 3WU20 A80 40 110214 1151 1241 1201 2+ 5BZ20 A119 40 110214 1152 1242 1203 2+ 3QD22 A119 40 110214 1153 1242 1203 2+ 4CV20 A119 40 110214 1240 1300 1250 1 4WU20 A80 40 110214 1241 1348 1254 2+ 5BZ20 A119 40 110214 1241 1306 1253 1 5WU21 A96 40 110214 1243 1333 1253 2+ 3WC20 A102 40 110214 1244 1347 1246 3+ 5CF78 A118 40 110214 1244 1343 1254 2+ 5CV20 A119 40 110214 1244 1347 1254 2+ 5QD22 A119 40 110214 1347 1520 1407 3+ 5CF78 A118 40 110214 1348 1558 1428 3+ 5CV20 A119 40 110214 1348 1555 1428 3+ 5BZ20 A119 40 110214 1350 1445 1425 2+ 4WU20 A80 40 110214 1352 1602 1434 3+ 5QD22 A119 40 110214 1720 1729 1725 1- 5LK25 A124 40 110214 1720 1916 1727 3 3ML25 A125 40 110214 1723 1840 1731 2+ 4NM25 A121 40 110214 1921 1936 1930 1- 5LK25 A124 40 110214 1924 2033 1933 2+ 3ML25 A125 40 110214 1925 2010 1935 2+ 5NM25 A121 40 110215 0145 0308 0201 2+ 5WC20 A102 40 110215 0150 0260 0156 2+ 3WC20 A91 40 110215 0428 0511 0434 2 2WC20 A102 40 110215 0434 0441 0436 1- 5WC20 A122 40 110215 1001 1014 1007 1 3WU21 A96  40 110215 1005 1010 1018 1- 5AA24 A115 40 110215 1005 1015 1010 1- 3WU20 A80 40 110215 1430 1450 1445 1 4WU20 A80 40 110215 1434 1520 1442 3+ 5CF78 A118 40 110215 1435 1513 1444 2 5BZ20 A119 40 110215 1435 1504 1446 1+ 5WU21 A96 40 110215 1436 1519 1445 2 5QD22 A119 40 110215 1436 1514 1443 2 5CV20 A119 40 110215 2031 2036 2033 1- 5WC20 A122 40 110216 0135 0146 0142 1- 1WC20 A91 40 110216 0136 0141 0139 1- 5WC20 A122 40 110216 0146 0255 0154 2+ 5WC20 A122 40 110216 0541 0620 0550 2 3WC20 A102 40 110216 0543 0705 0550 2+ 5WC20 A122 40 110216 0617 0642 0626 1 1WC20 A102 40 110216 0715 0747 0735 1+ 5WC20 A122 40 110216 0731U0824 0742 2+ 3QD22 A119 40 110216 0733U0844 0742 2+ 4BZ20 A119 40 110216 0734U0820 0743 2+ 3CV20 A119 40 110216 0737 0857 0744 2+ 4WC20 A102 40 110216 0738 0800 0744 1 5WU21 A96 40 110216 0739 0800 0740 3+ 3CF78 A118 40 110216 0901 0914 0907 1- 5WU21 A96 40 110216 0902 1000 0907 3+ 5CF78 A118 40 110216 0902 0947 0913 2 5BZ20 A119 40 110216 0903 1005 0914 2+ 3WC20 A102 40 110216 0903 0948 0912 2 5CV20 A119 40 110216 0903 0950 0911 2+ 5QD22 A119 40 110216 0905 0920 0910 1- 3WU20 A80 40 110216 1021 1110 1030 3+ 4CF78 A118 40 110216 1024 1033 1031 1- 3WU21 A96 40 110216 1025 1040 1035 1- 3WU20 A80 40 110216 1026 1053 1031 1+ 5BZ20 A119 40 110216 1027 1109 1033 2 1WC20 A102 40 110216 1027 1054 1032 1+ 5QD22 A119 40 110216 1028 1058 1031 1+ 5CV20 A119 40 110216 1200 1222 1205 1 4BZ20 A119 40 110216 1200 1210 1205 1- 4WU20 A80 40 110216 1420 1522 1425 2+ 5NM25 A121 40 110216 1420 1430 1425 1- 4WU20 A80 40 110216 1421 1428 1425 1- 5WU21 A96 40 110216 1422 1457 1425 2 3AA24 A102 40 110216 1422 1530D1424 3+ 4CF78 A118 40 110216 1423 1514 1427 2+ 5CV20 A119 40 110216 1423 1514 1427 2+ 5BZ20 A119 40 110216 1423 1620 1425 3 3ML25 A125 40 110216 1424 1514 1426 2+ 5QD22 A119 40 110216 1428 1442 1431 1- 4WU21 A99 40 110216 1528 1559 1533 1+ 3AA24 A102 40 110216 1528 1556 1533 1+ 5CV20 A119 40 110216 1529 1614 1530 2 5NM25 A121 40 110216 1530 1550 1532 3+ 5CF78 A118 40 110216 1530 1546 1534 1- 5BZ20 A119 40 110216 1530 1538 1530 1- 5QD22 A119 40 110216 1530 1540 1535 1- 3WU20 A80 40 110216 1530 1546 1534 1- 5WU21 A96 40 110216 2105 2142 2114 2+ 5NM25 A121 40 110216 2108 2205 2111 2+ 3ML25 A125 40 110217 0925 0935 0930 1- 3WU20 A80 40 110217 0926 0940 0930 1- 1WC20 A102 40 110217 0926 0936 0932 1- 5BZ20 A119 40 110217 0928 0942 0930 3+ 2CF78 A118 40 110217 0959 1017 1002 1- 3BZ20 A119 40 110217 1025 1038 1028 1- 1WC20 A102 40 110217 1025 1039D1030 1- 5BZ20 A119 40 110217 1025 1035 1030 1- 3WU20 A80 40 110217 1028 1105 1030 3+ 2CF78 A118 40 110217 1039E1103 1045 1 4BZ20 A119 40 110217 1040 1050 1045 1- 3WU20 A80 40 110217 1232 1301 1237 1+ 4QD22 A119 40 110217 1234 1315 1236 3+ 3CF78 A118 40 110217 1235 1302 1238 1+ 5BZ20 A119 40 110217 1235 1245 1240 1- 3WU20 A80 40 110217 1236 1249 1238 1- 3CV20 A119 40 110217 1550 1615 1554 3+ 1AA24 A118 40 110217 1550 1605 1555 1- 3WU20 A80 40 110218 006110722 0629 3+ 5WC20 A122 40 110218 0326 0356 0326 1+ 5WC20 A122 40 110218 0447 0538 0454 2+ 1WC20 A102 40 110218 0451 0545 0451 2+ 5WC20 A122 40 110218 0619 0637 0625 1- 4QD22 A119 40 110218 0620 0633 0627 1- 4CV20 A119 40 110218 0629 0712 0633 2 3WC20 A102 40 110218 0713 0743 0722 1+ 4CV20 A119 40 110218 0716 0725 0721 1- 5WU21 A96 40 110218 0717 0820 0725 2+ 2WC20 A102 40 110218 0900 0930 0911 1+ 5BZ20 A119 40 110218 0902 0951 0912 2+ 2WC20 A102 40 110218 0903 0926 0912 1 5WU21 A96 40 110218 0904 0925 0912 1 4QD22 A119 40 110218 0905 0920 0910 1- 3WU20 A80 40 110218 0906 0932 0909 3+ 4CF78 A118 40 110218 0906 0916 0912 1- 3CV20 A119 40 110218 0955 1008D1002 1- 5BZ20 A119 40 110218 0955 1020 1010 1 5WU20 A80 40 110218 0958 1009D1003 1- 3CV20 A119 40 110218 0959 1115 1012 3+ 5CF78 A118 40 110218 1006 1114 1011 2+ 4WC20 A102 40 110218 1008E1114 1012 2+ 5BZ20 A119 40 110218 1008 1050 1013 2 5WU21 A96 40 110218 1009E1110 1011 2+ 3CV20 A119 40 110218 1010 1115 1014 2+ 5QD22 A119 40 110218 1010 1025 1015 1- 1WC20 A91 40 110218 1025 1040 1035 1- 4WU20 A80 40 110218 1025 1040 1030 1- 1WC20 A91 40 110218 1115 1137D1125 1 4BZ20 A119 40 110218 1137E1155D1139 1- 3BZ20 A119 40 110218 1155E1205 1159 1- 4BZ20 A119 40 110218 1215 1225 1220 1- 3WU20 A80 40 110218 1217 1239 1221 1 5BZ20 A119 40 110218 1217 1239 1221 1 3CV20 A119 40 110218 1217 1239 1221 1 3QD22 A119 40 110218 1300 1326 1303 1+ 1WC20 A102 40 110218 1300 1405D1304 2+ 5QD22 A119 40 110218 1300 1404D1303 2+ 5BZ20 A119 40 110218 1300 1310 1305 1- 4WU20 A80 40 110218 1300 1322 1305 1 5WU21 A96 40 110218 1301 1400 1303 3+ 5CF78 A118 40 110218 1301 1357 1303 2+ 5CV20 A119 40 110218 1400 1415 1410 1- 4WU20 A80 40 110218 1402 1410 1406 1- 3WU21 A96 40 110218 1404E1428D1409 1 5BZ20 A119 40 110218 1405E1430D1410 1 5QD22 A119 40 110218 1406 1500 1408 3+ 5CF78 A118 40 110218 1406 1459D1410 2+ 5CV20 A119 40 110218 1428E1500D1430 1- 5BZ20 A119 40 110218 1430E1459D1432 1+ 4QD22 A119 40 110218 1430 1440 1435 1- 4WU20 A80 40 110218 1445 1510 1505 1 3WU20 A80 40 110218 1457 1517 1503 1 4WU21 A96 40 110218 1459E1548D1504 2+ 5QD22 A119 40 110218 1459E1547 1505 2+ 5CV20 A119 40 110218 1500 1530 1505 3+ 5CF78 A118 40 110218 1500E1548D1505 2+ 5BZ20 A119 40 110218 1511 1527 1515 1- 1WC20 A102 40 110218 1547 1633 1554 2+ 2ML25 A125 40 110218 1548E1627 1557 2 5QD22 A119 40 110218 1548E1615 1557 1+ 5BZ20 A119 40 110218 1550 1608 1557 1- 4CV20 A119 40 110218 1550 1606 1557 1- 5WU21 A96 40 110218 1742 1852 1755 2 4NM25 A121 40 110218 1746 1848 1753 2+ 3ML25 A125 40 110218 1749 1756 1752 1- 4LK25 A124 40 110218 1812 1832 1822 1 4LK25 A124 40 110218 1902 2010 1921 2+ 3ML25 A125 40 110218 1904 2056 1923 2+ 5NM25 A121 40 110218 1905 1926 1917 1 5LK25 A124 40 110218 2049 2106 2101 1- 5LK25 A124 40 110218 2051 2232 2104 3 3ML25 A125 40 110218 2056 2235 2110 3- 5NM25 A121 40 110219 0244 0432 0306 3 5WC20 A122 40 110219 0658 0746 0705 2+ 2WC20 A102 40 110219 0758 0819 0807 1 5WU21 A96 40 110219 0800 0815 0805 1- 4WU20 A80 40 110219 0801 0842 0806 2 3WC20 A102 40 110219 0801 0821 0807 1 5CV20 A119 40 110219 0801 0826 0806 1 5BZ20 A119 40 110219 0802 0810 0804 3+ 3CF78 A118 40 110219 0802 0822 0807 1 5QD22 A119 40 110219 1220 1235 1225 1- 3WU20 A80 40 110219 1450 1500 1455 1- 3WU20 A80 40 110219 1525 1540 1530 1- 3WU20 A80 40 110219 1525 1535 1531 1- 5WU21 A96 40 110219 1528 1544 1531 1- 3QD22 A119 40 110219 1528 1544 1530 1- 4BZ20 A119 40 110219 1625 1635 1630 1- 3WU20 A80 40 110219 1635 1750 1645 2- 5NM25 A121 40 110219 1640 1650 1645 1- 4WU20 A80 40 110219 1641 1707 1643 1+ 1AA24 A102 40 110219 2100 2131 2115 1+ 3NM25 A121 40 110220 0326 0350 0326 1 5WC20 A122 40 110220 1842 1902U1849 1 5AA24 A87 40 110221 0900 0910 0905 1- 3WU20 A80 40 110221 0901 0942 0907 2 5QD22 A119 40 110221 0902 0929 0906 1+ 4BZ20 A119 40 110221 0903 0939 0906 2 1WC20 A102 40 110221 0904 0930 0907 3+ 4CF78 A118 40 110221 1000 1010 1005 1- 3WU20 A80 40 110221 1003 1009D1005 1- 5BZ20 A119 40 110221 1004 1010D1006 1- 5QD22 A119 40 110221 1007 1058 1011 2+ 3WC20 A102 40 110221 1009E1130 1012 2+ 5BZ20 A119 40 110221 1010E1121 1014 2+ 5QD22 A119 40 110221 1537 1556 1544 1 1ML25 A125 40 110221 1540 1630 1545 2- 5NM25 A121 40 110221 1540 1555 1545 1- 4WU20 A80 40 110221 1541 1556 1546 1- 5WU21 A96 40 110221 1542 1607 1545 1 5BZ20 A119 40 110221 1542 1602 1544 1 3CV20 A119 40 110221 1542 1611 1545 1+ 5QD22 A119 40 110221 1543 1614 1548 1+ 5AA24 A87 40 110221 1546 1558 1552 1- 2AA24 A97 40 110221 1823 2142 1830 3+ 3ML25 A125 40 110221 1825 1945 1835 2 4NM25 A121 40 110221 1827 1857 1834 1+ 3AA24 A87 40 110223 1213 1232 1223 1 3BZ20 A119 40 110223 1214 1232 1225 1- 4CV20 A119 40 110223 1215 1230 1225 1- 3WU20 A80 40 110223 1216 1237 1223 3+ 4CF78 A118 40 110223 1219 1232 1225 1- 3QD22 A119 40 110224 0720 0733 0725 1- 5WC20 A122 40 110224 0725 0803 0737 2 5WU21 A96 40 110224 0727 0915 0734 3 5WC20 A102 40 110224 0730 0841 0735 2+ 5BZ20 A119 40 110224 0730 0833 0734 2+ 5QD22 A119 40 110224 0730 0828 0734 2+ 5CV20 A119 40 110224 1347 1404 1352 1- 3WU21 A96 40 110224 1350 1410 1354 3+ 5CF78 A118 40 110224 1350 1400 1355 1- 4WU20 A80 40 110224 1350 1401 1353 1- 5AA24 A87 40 110224 1712 1852 1744 1+ 5NM25 A121 40 110224 1735 1754 1741 1 5AA24 A87 40 110224 1934 2036 1940 2+ 5NM25 A121 40 110224 1934 2004 1938 1+ 3ML25 A125 40 110224 1936 1942 2000 1 5AA24 A115 40 110225 0516 0535 0519 1 1WC20 A102 40 110225 0542 0607 0545 1 1WC20 A102 40 110225 1720 1756 1730 1- 5NM25 A121 40 110225 1722 1746 1729 1 5AA24 A87 40 110226 0805 0815 0810 1- 3WU20 A80 40 110226 0810 0830 0813 1 1WC20 A102 40 110227 0351 0421 0355 1+ 2WC20 A102 40 110227 0353 0402 0358 1- 5WC20 A122 40 110228 0701 0708 0701 1- 5WC20 A122 40 110228 0704 0729 0710 1 1WC20 A102 40 110228 0705 0715 0709 3+ 3CF78 A118 40 110228 0732 0738 0733 1- 5WC20 A122 40 110228 0735 0807 0737 1+ 1WC20 A102 40 110228 0737 0745 0738 3+ 3CF78 A118 40 110228 0938 1006 0952 1+ 4BZ20 A119 40 110228 0939 1009 0952 1+ 3QD22 A119 40 110228 0945 1017 0953 1+ 1WC20 A102 40 110228 1042 1107 1051 3+ 2CF78 A118 40 110228 1202 1235 1205 3+ 2CF78 A118 40 110228 1208 1239 1221 1+ 1ML25 A125 40 110228 1239 1340 1247 3+ 5CF78 A118 40 110228 1244 1324 1251 2 5BZ20 A119 40 110228 1245 1308 1250 1 1WC20 A102 40 110228 1245 1324 1252 2 5QD22 A119 40 110228 1245 1325 1250 2 5CV20 A119 40 110228 1245 1309 1254 1 5WU21 A96 40 110228 2011 2020 2015 1- 1ML25 A125 40 110228 2212 2300 2230 1 4NM25 A121 40 110216 1535 1547 1537 1- 4WU21 A99 -- End Report --