SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: MARCH      YEAR: 2009      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.
   9   0741   0828   0749    1     2     47     5    UNCERTN
  15   0910   0948   0912    1     2     38     5    UNCERTN
  25   1034   1118   1043    1     2     44     5    UNCERTN
       1445   1534   1458U   1     2     49     5    UNCERTN
  30   1302   1402   1316    1     2     60     5    UNCERTN
  
       Evaluated by J.Klimes