SUDDEN  IONOSPHERIC   OF  DISTURBANCES  - SID

Month: MARCH      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.
  27    1109    1141    1115     1     4      32      5    
  28    0959    1042    1012     1     2      43      5
  31    1136    1218    1154     1     3      42      2a
        1555    1645    1605     1     2      50      5

        NO OBSERVATION    2. 0830 1505     9. 0830 1500
                         16. 0940 1520    23. 0830 1530
                         30. 0830 1530    

        Evaluated by J.Klimes