SUDDEN  IONOSPHERIC   OF  DISTURBANCES  - SID

Month: FEBRUARY   YEAR: 2022     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.
  2.    1021    1050    1027     1     2      29      5    P  
  7.    1237    1255    1243     1     2      18      5    N
 10.    1438    1457    1445     1     2      19      5    P  UNCERTN

        NO OBSERVATION    3. 0840 1200    10. 0820 1115
                         17. 0815 1315  

        P pozitive efect
        N negative efect

        Evaluated by J.Klimes