SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: SEPTEMBER  YEAR: 2013      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.
   3    1729    1801    1741     1     2      32      5    UNCERTN
  19    0806    0837    0814     1     1      31      3            
  20    1149    1326    1155     1     1      97      3
  21    0906    0922    0912     1     2      16      2a
  23    0819    0900    0824     1     2      41      5 
  24    1255    1316    1301     1     2      21      5             

        Evaluated by J.Klimes