[A-DX] Funkprognose 10.-16. September

[Wolf Harranth <harranth@xxxxxxxx>]

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Solar-activity forecast for the period Sep 10 - 16, 2004

Activity level: mostly low
Radio flux (10.7 cm): an increase in the range 120-165 f.u.
Flares: weak (2-15/day), middle (0-2/period)
Relative sunspot number: in the range 65-120

Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch@xxxxxxxxxx
_____________________________________________________________________

Geomagnetic activity forecast for the period Sep 10 to Sep 16, 2004

quiet: Sep 10, 11, 12 and 15
quiet to unsettled: Sep 13 and 14
unsettled: Sep 16
active: 0
minor storm: 0
major storm: 0
severe storm: 0

Geomagnetic activity summary: geomagnetic field was quiet on
Sep 2, 3, 4 and 8, quiet to unsettled on Sep 5, unsettled on Sep 6
and 7.

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 (10-11), 13, 15-18. (19, 22-24,) 25-27, (28-29,) Oct (2), 3-4
disturbed: Sep 16-17, (18,) 25-26, Oct 3-4
quiet:     Sep (12), 20-21, Oct 1

Survey:   mostly quiet: Sep 2-4
          quiet to unsettled: Sep 1, 5, 7,
          quiet to active: Sep 6, 8

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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