SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: APRIL      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.
   6    1412    1457    1423     1     2      45      5
   8    0824    0919    0841     1     2      55      5
        1442    1534    1445     1     4      52      1
   9    0630    0739    0637     1     3      69      5
  12    0921    1143    0953     2     3     142      5
  21    0714    0851    0724     1     3      97      5
        1015    1127    1043     2     3      72      5
        1144    1153    1153     1     2       9      6    PREFLARE
        1153    1258    1158     3     4      65      1
        1520    1538    1538     1     2      18      6    PREFLARE
        1538    1640    1547     3     4      62      1
        1658    1729    1703     2     3      31      1
  22    0839    0922U   0849     1     2      43U     5
  23    0920    1108    0950     2     3     108      5
        1201    1219    1207     1     2      18      2b

        Evaluated by J.Klimes

        NO OBSERVATION  24.