SUDDEN ENHANCEMENTS OF ATMOSPHERICS - SEA Month: NOVEMBER YEAR: 2008 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. 2 1147 1245 1200 1 2 58 2a UNCERTN 3 1119 1146 1122 1 2 27 5 17 1038 1105 1044 1 2 27 5 UNCERTN Evaluated by J.Klimes