SUDDEN  IONOSPHERIC   OF  DISTURBANCES  - SID

Month: JUNE       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.
   2    1753    1855    1800     1     2      62      5
   3    0952    1031    1000     1     3      39      5
        1137    1305    1210     1     2      88      3
        1454    1518    1459     1     3      24      5
        1640    1658    1652     1     3      18      5    negat. --> pozit. efect
   5    0949    1018    0958     1     2      29      5
  11    0605    0738    0633     1     3      93      5
  13    0955    1112    1021     1     2      77      5
  16    1537    1557    1540     1     3      20      5
        1848    1906    1853     1     3      18      5
  24    0636    0831    0702     1     2     115      5
 
        NO OBSERVATION    1. 0830 1430     8. 0830 1525
                         15. 0830 1530    22. 0830 1506
                         29. 0830 1510    

        Evaluated by J.Klimes