SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: JANUARY    YEAR: 2017      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.
  10    1314    1401    1318     1     2      48      5    UNCERTN
  20    0925    0952    0932     1     2      27      6    UNCERTN
  21    1006    1053    1035     1     2      47      3
        1056    1143    1110     1     3      47      5
        1240    1348    1312     1     2      68      3    UNCERTN
  27    1038    1105    1046     1     2      27      5    UNCERTN

        NO OBSERVATION   6.; 7.; 8. JANUARY

        Evaluated by J.Klimes