SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: JANUARY    YEAR: 2011      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.
   4   0756   0823   0802    1     2     27     5    UNCERTN 
  14   1255   1416   1341    1     2     81     3    UNCERTN
  23   0802   0900   0840    1     2     58     3
  27   1158   1341   1213U   1     2    103     3    UNCERTN

       Evaluated by J.Klimes