SUDDEN  IONOSPHERIC   OF  DISTURBANCES  - SID

Month: FEBRUARY   YEAR: 2017     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.
   1    1242    1308    1252U    1     2      26      2a          
  10    1457    1532    1500     1     2      35      5                   

        NO OBSERVATION    2. 0830 1530     9. 0830 1535
                         16. 0830 1545    23. 0830 1525

        Evaluated by J.Klimes