SUDDEN  IONOSPHERIC   OF  DISTURBANCES  - SID

Month: OCTOBER    YEAR: 2021      Observing Station: OBSERVATORY
                                                      U P I C E
                                                   CZECH REPUBLIC

Transmitter coordinates:         Receiver coordinates:
Lat.:  63 51 1.31 N               Lat.:  50 30 26.6 N
Long.: 22 28 0.38 W               Long.: 16 00 43.5 E

Sea level: 416 m
Frequency: 37.5 kHz            Band pass: 308 Hz a 80 dB
Chart speed: 3.4 cm/H        Recorder time constant: 1 min
 
Date    Start   End     Max.    Imp.  Def.   Dur.   Type   REMARKS
         UT      UT      UT     SID          min.
  26    0949    1023    0954     1     2      34      5    P  
        1122    1139    1126     1     2      17      5    P  
  27    0953    1004    0955     1     2      11      5    N
        1216    1228    1220     1     2      12      5    P
  28    0738    0805    0741     1     2      27      5    P
        1232    1254    1238     1     2      22      5    P
        1319    1333    1323     1     2      14      5    P
        1355    1414    1401     1     2      19      5    P
        1528    1555    1534     2     4      27      5    P
  31    0724    0817U   0740     1     3      53U     5    P   
     
        P = positive efect 
        N = negative efect

        NO OBSERVATION    7. 0920 1155    14. 1000 1235
                         21. 0945 1230    28. 0810 1210    

        Evaluated by J.Klimes