SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: MAY        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.
   2    1535    1620    1548     1     2      45      5    UNCERTN
   4    1657    1702    1659     1     2       5      6    PREFLARE
        1702    1742    1706     1     3      40      5
   5    0944    1012    0949     1     3      28      5
        1105    1122    1110     1     2      17      2b
   6    1107    1132    1111     1     2      25      5
        1148    1230    1152     1     3      42      5
   7    0958    1107    1024     1     2      69      2a   UNCERTN
   9    0802    0829    0811     1     2      27      5
  10    1704    1734    1718     1     2      30      2a
  15    1446    1602    1454     1     2      76      5
  23    1711    1727    1718     1     2      16      2a

        Evaluated by J.Klimes