SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: MARCH      YEAR: 2013      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.
   5    0752    0817    0758     1     2      25      5 
  15    0907    0958    0928     1     2      51      3    UNCERTN
  16    0826    0921    0839U    1     2      55      3    UNCERTN
  19    1654    1708    1659     1     3      14      5

        Evaluated by J.Klimes