[A-DX] Funkprognose 3.-9. September

[Wolf Harranth <harranth@xxxxxxxx>]

Solar-activity forecast for the period Sep 3 - 9, 2004

Activity level: mostly very low to low
Radio flux (10.7 cm): a fluctuation in the range 85-135 f.u.
Flares: weak (0-12/day), middle (0-1/period)
Relative sunspot number: in the range 11-80

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

Geomagnetic activity forecast for the period Sep 3 to Sep 9, 2004

quiet: Sep 9
quiet to unsettled: Sep 4 and 8
unsettled: Sep 3, 5 and 7
unsettled to active: Sep 6
active: 0
minor storm: 0
major storm: 0
severe storm: 0

Geomagnetic activity summary: geomagnetic field was quiet from
Aug 26 to 29 and Sep 1, unsettled on Aug 31, active on Aug 30.

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

Geomagnetic activity forecast for the period of one solar rotation

active:    Sep 3-4, 6-9, 13-14, 16-19, 23-27
disturbed: Sep (3-4,) 6-7, 16-17, (18-19, 23), 26
quiet:     Sep (5, 10-12), 15, 20-22

Survey:   mostly quiet: Aug 27, 29
          quiet to unsettled: Aug 24-26, 28
          mostly unsettled: Sep 1
          active to disturbed: Aug 30-31

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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