SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: JANUARY    YEAR: 2023      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.
  12    1113    1211    1125     1     2      58      5
  15    1422    1534    1435     1     2      72      5
  19    0956    1050    1023     1     2      54      3
  26    1229    1302    1302     1     3      33      3    PREFLARE
        1302    1407    1312     1     3      65      5
  28    0852    0942    0915     1     3      50      2a

        Evaluated by J.Klimes