SUDDEN ENHANCEMENTS OF ATMOSPHERICS - SEA Month: NOVEMBER YEAR: 2010 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. 3 1126 1212 1140 1 2 46 3 PREFLARE 1212 1446 1224 3 4 154 5 1557 1651 1633 3 4 54 2b 5 1309 1523 1331 3 4 134 5 6 1531 1616 1539 3 4 45 5 11 0720 0755 0727 1 2 35 5 1305 1336 1308 1 2 31 5 12 0800 0819 0806 1 2 19 2b Evaluated by J.Klimes