SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: DECEMBER   YEAR: 2004      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.
   1   0714   0757   0728    1     2     43     5
   3   1357   1428   1412    1     2     31     2a
   4   1028   1140   1046    1     2     72     5    UNCERTN
   7   0909   1045   0929    2     3     96     5
   8   1104   1152   1114U   1     3     48     5
       1213   1315   1226    1     2     62     5
   9   1034   1154   1043    1     2     82     5
  10   0734   0840   0803    2     3     66     2a
       0915   1016   0947    2     3     61     4
       1033   1059   1037U   1     2     26     2a
  12   1033   1158   1059    1     2     85     3    UNCERTN
  15   0916   1033   0951    1     2     77     3
       1219   1328   1231    1     2     69     5
  17   1202   1250   1224    1     2     48     3    UNCERTN
  18   0934   1148   0938U   1     2    134     3
  20   1312   1336   1326    1     2     24     6    UNCERTN
  21   1042   1200   1102    1     2     78     5
       1202   1253   1214U   1     2     51     5
  22   1058   1213   1207U   1     2     75     3    UNCERTN
  23   0932   1006   1006    1     2     34     3    PREFLARE
       1006   1034   1009    2     3     28     5
  28   1233   1306   1237    1     2     33     5
  29   1622   1705   1640U   2     3     43     5
  30   1004   1039   1010    1     2     35     3    PREFLARE
       1039   1157   1051    3     4     78     5
  31   1217   1322   1246U   1     2     65     3
       1442   1535   1447    3     4     53     5

       Evaluated by L.Krivsky and J.Klimes