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

[Wolf Harranth <harranth@xxxxxxxx>]

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

Activity level: mostly very low to low
Radio flux (10.7 cm): a fluctuation in the range 85-120 f.u.
Flares: weak (1-12/day), middle (0-1/period)
Relative sunspot number: in the range 15-60

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

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

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

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

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

Geomagnetic activity forecast for the period of one solar rotation

active:     Apr 9-11, 14-19, 22-28, 30-31, May 2
disturbed:  Apr 9, (10), 11, (14, 17-18,) 22-26, (30-31,) May 2
quiet:      Apr (12-13,) 20-21, 29, May 1

Survey:   quiet: Apr 2
          mostly quiet: Apr 1
          quiet to unsettled: Mar 31
          mostly unsettled: Apr 7
          quiet to disturbed: Apr 5
          unsettled to disturbed: Apr 3-4
          active to disturbed: Apr 6

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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