[A-DX] Funkwetterprognose 21.-27. Mai

[Wolf Harranth <harranth@xxxxxxxx>]

_____________________________________________________________________

Solar-activity forecast for the period May 21 - 27, 2004

Activity level: predominantly very low to low
Radio flux (10.7 cm): a fluctuation in the range 90-125 f.u.
Flares: weak (3-12/day), middle (0-1/period)
Relative sunspot number: in the range 60-110

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

Geomagnetic activity forecast for the period May 21 to May 27, 2004

quiet: May 26 and 27
quiet to unsettled: May 21, 24 and  25
unsettled: May 22 and 23
active: 0
minor storm: 0
major storm: 0
severe storm: 0

Geomagnetic activity summary: geomagnetic field was quiet from
May 14 to 18, unsettled on May 13 and 19.

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

Geomagnetic activity forecast for the period of one solar rotation


active:     May (21-22), 25-30, Jun 1, 3-4, 7-9(-10), 15-16
disturbed:  May (21,) 27, Jun 4, 16
quiet:      May 23-24, 31, Jun 5(-6), (11, 12)-13

Survey:   quiet: May 16
          mostly quiet: May 15, 17-18
          quiet to unsettled: May 14
          quiet to active: May 19
          unsettled to active: May 11-12
          quiet to disturbed: May 13

Remarks: Days in brackets () => lower probability of activity
         (or lower accuracy of) forecast, depending on previous
         development on the Sun.

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