SUDDEN  IONOSPHERIC   OF  DISTURBANCES  - SID

Month: FEBRUARY   YEAR: 2018     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.
   7    1345    1421    1348     2     3      36      5    P      
  10    1307    1336    1315     3     3      29      5    P               

        P = positive efect

        NO OBSERVATION    8. 0940 1216    14. 1015 1435
                         22. 0800 1230    

        Evaluated by J.Klimes