SUDDEN ENHANCEMENTS OF ATMOSPHERICS - SEA Month: AUGUST YEAR: 2011 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 0725 0810 0737 1 2 45 5 2 0522 0723 0619 1 2 121 2b 3 0431 0512 0437 1 2 41 5 0741 0848 0800 1 2 67 5 1306 1417D 1351 1 2 71D 5 4 0351 0540 0408 1 2 109 5 8 1805 1823 1812 1 2 18 6 9 0747 0941 0807 2 4 114 5 1543 1635 1605 1 2 52 2a 10 0935 0945 0938 1 2 10 1 1025 1140 1043 1 3 75 5 11 0755 0845 0814 1 3 50 2b 0905 1115 0949 2 4 130 2b 15 1115 1237 1130U 1 2 82 3 UNCERTN 29 0709 0744 0720 1 2 35 3 31 1119 1201 1132 1 3 42 5 Evaluated by J.Klimes