SUDDEN  IONOSPHERIC   OF  DISTURBANCES  - SID

Month: JUNE       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.
 08     1049    1122    1055     1     2      33     5     P
 09     0853    0945    0907     2     3      52     5     P

        NO OBSERVATION    3. 0830 1250    17. 0830 1115
                         24. 0950 1325    25. 0740 2400
                         26.6. - 30.6. 0000 2400

        Evaluated by J.Klimes