SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: JUNE       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.
   7    1534    1618    1551     1     2      44      2a
   9    1130    1206    1135     1     3      36      1
        1649    1712    1652     1     2      23      1    UNCERTN
  10    0642    0729    0652     1     3      47      5
  13    0915    0932    0925     1     2      17      2b
        1233    1330D   1258     1     2      57D     2a
  14    1330    1630    1441     2     3     180      5
  15    1825    1900    1836     1     3      35      5    UNCERTN
  17    1738    1830    1743     1     2      52      5
  27    0756    0842    0812     1     2      46      3    UNCERTN
        1705    1758    1721     1     2      53      3    UNCERTN
  28    1610    1631D   1615     1     3      21D     1
  29    0916    0930    0923     1     2      14      2b   UNCERTN
  30    1248    1315U   1253     1     2      27      5

       Evaluated by J.Klimes