SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: JULY       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   1000   1031   1010    1     2     31     3
   4   0508   0650   0544    2     2    102     3
       1038   1128   1052    1     2     50     3
       1456   1618   1528    1     2     82     5
   5   0742   0806   0756    1     2     24     6
       0826   0948   0836    1     2     82     3
       1531   1615   1541    1     2     44     5
   6   0625   0705   0638    1     2     40     5
   7   1706   1815   1712    1     2     69     3
   8   0709   0737   0719    1     2     28     6
  10   1234   1256   1248    1     2     22     2b
       1319   1342   1331    1     2     23     4
       1504   1550   1514    1     2     46     5
  11   0608   0652   0627U   1     2     44     3
       0700   0739D  0704U   1     2     39D    3
       0739   0921   0750    1     3    102     5
       0935   1125   1034U   1     3    110     5
       1307   1325   1325    1     2     18     6    PREFLARE
       1325   1433   1335    1     3     68     5
       1654   1722   1702    1     2     28     5
       1727   1806   1736U   1     2     39     5
  12   0704   0740   0729U   1     2     36     3    PREFLARE
       0740   1135   0805    2     3    235     5
       1254   1329   1305    1     2     35     2b
       1556   1651   1611    1     3     55     5
  13   0525   0625   0516U   1     2     60     5
       0630   0708   0634    1     2     38     5
       0803   0836   0836    1     2     33     3    PREFLARE
       0836   1020   0853    3     3    104     1
       1204   1556   1210    2     4    232     5
  14   0520   0654   0528    3     4     94     1
       0810   0904   0817    1     2     54     5
  15   0938   1026   1004    1     2     48     4    UNCERTN
       1822   1920   1826    1     3     58     1
  16   1000   1039   1039    1     2     39     3    PREFLARE
       1039   1130   1044    2     3     51     1
       1243   1353   1300    1     2     70     5    PREFLARE
       1353   1524   1357    2     3     91     1
       1625   1708   1633    1     3     43     5
  17   0751   0944   0758    3     4    113     1
       1246   1445   1303    1     2    119     5
  23   0719   0817   0729    1     2     58     5
  24   1309   1335   1318U   1     2     26     6    PREFLARE
       1335   1436   1341    1     3     61     5
  25   0547   0723   0602    3     3     96     5
  26   0550   0714   0624U   2     2     84     5
  27   0540   0703   0552U   3     3     83     5
  28   0807   0918   0812    2     3     71     5
       1346   1441   1419U   1     2     55     4
       1529   1555   1538    1     2     26     6
  29   1612   1716   1627    1     2     64     5

       Evaluated by L.Krivsky and J.Klimes