SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: JULY       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.
   3    1249    1340    1254     1     2      51      5
   6    0827    0917    0845     2     3      50      5
        1140    1207    1144     1     2      27      5
  20    0652    0708    0659     1     2      16      2a   UNCERTN

        NO OBSERVATION 8.; 11.; 12.; 13.

        Evaluated by J.Klimes