SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: FEBRUARY   YEAR: 2015      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    1414    1457    1426     1     2      43      5    UNCERTN
  12    1324    1410    1336     1     2      46      5    UNCERTN
  18    0535    0601    0542     1     2      26      5    UNCERTN
  28    0923    1029    0949     1     2      66      3

        Evaluated by J.Klimes