[A-DX] Funkprognose 9.-15. Juli

[Wolf Harranth <harranth@xxxxxxxx>]

Solar-activity forecast for the period Jul 9 - 15, 2004

Activity level: mostly very low to low
Radio flux (10.7 cm): a fluctuation in the range 80-120 f.u.
Flares: weak (1-15/day), middle (0-1/period)
Relative sunspot number: in the range 25-90

Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch@xxxxxxxxxx
(RWC Prague)
_________________________________________________________________

Geomagnetic activity forecast for the period Jul 9 to Jul 15, 2004

quiet: 0
quiet to unsettled: Jul 9, 13, 14 and 15
unsettled: Jul 10, 11 and 12
active: 0
minor storm: 0
major storm: 0
severe storm: 0

Geomagnetic activity summary: geomagnetic field was quiet on
Jul 4, 6 and 7, quiet to unsettled on Jul 1, 2, 3 and 5.

RWC Prague, Geophysical Institute Prague, Geomagnetic Dept,
Czech Republic
e-mail: geom@xxxxxxxxx
_________________________________________________________________

Geomagnetic activity forecast for the period of one solar rotation

active:    Jul 11-16, 23, 25-30, Aug 1(-2)
disturbed: Jul 11-12, (23,) 26(-27, 30,)
quiet:     Jul 9-10, 17-22, (24, 31)

Survey:   quiet to unsettled: Jul 3-4, 6
          quiet to active: Jul 7
          mostly unsettled: Jun 30, Jul 1-2
          unsettled to active: Jul 5

Remarks: Days in brackets () => lower probability of activity
         (or lower accuracy of) forecast, depending on previous
         development on the Sun. In addition at this time of
         the solar cycle, space weather conditions are frequently
         determined by short timescale events, usually not able
         to be forecasted.

Frantisek K. Janda, OK1HH, Czech Propagation Interested Group
e-mail: franta.janda@xxxxxxxx
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