SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: APRIL      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.
   4   0806   0909   0811    1     2     63     3    UNCERTN
   6   0901   0939   0919U   1     2     38     3    UNCERTN
  16   0702   0856   0703    1     2    114     5
  17   1044   1201   1056    1     2     77     3    UNCERTN
  24   1201   1248   1214    1     2     47     3    UNCERTN
  25   0637   0712   0645    1     2     35     3    UNCERTN

       Evaluated by J.Klimes