SUDDEN ENHANCEMENTS OF ATMOSPHERICS - SEA Month: OCTOBER YEAR: 2004 Observing Station: OBSERVATORY U P I C E CZECH REPUBLIC Lat.: 50 30 26.6 N Sea level: 416 m Long.: 16 00 43.5 E Frequency: 27 kHz Band pass: 308 Hz a 3 dB Chart speed: 3.4 cm/H Recorder time constant: 27 sec Date Start End Max. Imp. Def. Dur. Type REMARKS UT UT UT SEA min. 4 1312 1424 1327 1 2 72 5 6 1657 1720 1705 1 2 23 6 8 1044 1117 1107 1 2 33 3 10 1549 1615 1605 1 2 26 6 UNCERTN 12 0541 0549 0549 1 2 8 6 PREFLARE 0549 0704 0553 3 3 75 5 0842 0922 0905 2 2 40 3 1013 1118 1027U 2 3 65 5 13 0813 0908 0819 2 3 55 5 0911 1113 0939 1 2 122 3 1120 1151 1131 1 2 31 3 1233 1327 1255 2 2 54 2a 14 0615 0644 0621 1 2 29 6 0834 0857 0841 1 2 23 2b 1218 1257 1241 1 2 39 2a 1308 1336D 1313 1 2 28D 5 1336 1427 1345 1 3 51 5 15 0852 0920 0913 2 3 28 4 1344 1508 1349 1 2 84 5 20 1049 1141 1058 3 4 52 5 22 0805 0856 0815 3 3 51 5 25 1000 1020 1011 1 2 20 6 PREFLARE 1020 1111 1036U 2 3 51 2b 1415 1436 1421 1 2 21 6 PREFLARE 1436 1516 1446 2 3 40 5 28 1239 1321 1258 1 2 42 3 29 0859 0951 0951 1 2 52 3 PREFLARE 0951 1050 1003 2 3 59 5 1241 1303 1246 1 2 22 6 1435 1503 1439 1 2 28 6 30 0908 0928 0928 1 2 20 6 PREFLARE 0928 1020 0930 3 4 52 1 1029 1110 1037 2 4 41 5 1114 1143 1143 1 2 29 6 PREFLARE 1143 1240 1146 3 4 57 1 1250 1346 1257 1 2 56 5 1348 1434 1407 1 2 46 3 31 1408 1439 1414 1 2 31 5 The evaluation is not available for a strong radio disturbation: Day From To Day From To Day From To 02. 1100-1245 04. 0715-1250 23. 0700-0900 03. 1200-1430 05. 1000-1500 24. 1130-1250 Evaluated by L.Krivsky and J.Klimes