SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: SEPTEMBER  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.
   2    1805    1916    1829     1     2      71      5    UNCERTN
   4    0717    0726    0719     1     2       9      6    UNCERTN
   6    1518    1622    1528     2     3      64      5
   8    1735    1830    1754     1     3      55      5
  17    1350    1431    1406     1     2      41      2a
  19    1510    1547    1520     1     2      37      3    UNCERTN
  28    0930    1022    0936     1     2      52      5    UNCERTN

        Evaluated by J.Klimes