SUDDEN  IONOSPHERIC   OF  DISTURBANCES  - SID

Month: FEBRUARY   YEAR: 2016      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.
   8    1602    1617    1607     1     2      15      5    UNCERTN
  12    1040    1103    1048     2     3      23      5    negat.-> pozit.
  13    1520    1541    1524     3     4      21      5    negat.-> pozit.
  14    1022    1053    1033     1     2      31      5    negat. efect
  15    0837    0854    0842     2     3      17      5
        1043    1055    1048     2     3      12      1    PREFLARE
        1055    1128    1101     3     4      33      1

        NO OBSERVATION    4. 0830 1340    11. 0830 1535
                         18. 0910 1640    25. 0830 1515

        Evaluated by J.Klimes