SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: FEBRUARY   YEAR: 2012      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.
   7    1101    1121    1108     1     2      20      6
  10    1410    1458    1418     1     2      48      5    UNCERTN
  11    0958    1031    1006     1     3      33      5
        1040    1100    1047     1     2      20      6
        1602    1632    1614U    1     2      30      5
  12    1440    1501    1445     1     2      21      5

        NO OBSERVATION 17.02.2012

        Evaluated by J.Klimes