SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: NOVEMBER   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.
  15   1118    1130   1119   1     2     12     6    UNCERTN   
  22   1113    1125   1114   1     2     12     1    UNCERTN  
       1409    1437   1420   1     2     28     5
  24   1553    1609   1555   1     2     16     1    UNCERTN
  30   1614    1638   1615   1     2     24     1    UNCERTN

       Evaluated by J.Klimes