SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: AUGUST     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.
  11    1720    1801    1729     1     2      41      5    UNCERTN
  12    1029    1231    1048     1     3     122      5 
  14    1654    1717    1658     1     2      23      5    
  17    1333    1427    1349     1     2      54      5    UNCERTN

        Evaluated by J.Klimes