SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: SEPTEMBER  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.
  18   0814    0844   0822   1     2     30     5    UNCERTN
  19   1618    1648   1627   1     2     30     5    UNCERTN        

       Evaluated by J.Klimes