SUDDEN ENHANCEMENTS OF ATMOSPHERICS - SEA Month: JUNE YEAR: 2002 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. 1 0634 0743 0649 1 2 69 3 1048 1244 1049 1 3 116 5 2 0718 0912 0725U 1 2 114 3 1010 1111 1017 1 2 61 5 1144 1229 1149 1 3 45 5 1558 1704 1615U 1 2 66 3 3 0707 0759 0736 1 2 52 3 5 0930 1051 0943U 1 2 81 3 UNCERTN 7 0746 0830 0806U 1 2 44 3 8 1007 1114 1030 1 2 67 2a UNCERTN 11 1503 1629 1520 1 2 86 3 12 0857 0950 0922 1 2 53 3 14 0939 1053 1015 1 2 94 3 16 0541 0618 0550 1 2 37 3 UNCERTN 19 1010 1050 1012 1 3 40 5 27 1016 1102 1024U 1 2 46 3 29 0628 0829 0735U 1 2 121 3 0844 0904 0847U 1 2 20 6 0920 0950 0941 1 2 30 4 Evaluated by L.Krivsky and J.Klimes