[A-DX] Funkprognose 16.-22.Aprill

[Wolf Harranth <harranth@xxxxxxxx>]

Solar-activity forecast for the period Apr 16 - 22, 2004

Activity level: very low to low
Radio flux (10.7 cm): a fluctuation in the range 85-135 f.u.
Flares: weak (0-15/day)
Relative sunspot number: in the range 40-100

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

Geomagnetic activity forecast for the period Apr 16 to 22, 2004

quiet: Apr 20 and 21
quiet to unsettled: Apr 19
unsettled: Apr 16, 17 and 18
unsettled to active: Apr 22
active: 0
minor storm: 0
major storm: 0
severe storm: 0

Geomagnetic activity summary: geomagnetic field was quiet on
Apr 14, quiet to unsettled on Apr 13, unsettled from Apr 8 to 12.

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 16-19, 22-28, 30, May 2-6, 8-10
disturbed:  Apr (16 or 17, 18 or 19,) 22-23, (24, 26-27, 30,) May 2-4, 
(5, 8-10)
quiet:      Apr 20-21, 29, May 1

Survey:   quiet: Apr 14
          mostly quiet: Apr 13
          quiet to unsettled: Apr 10-12
          mostly unsettled: Apr 7
          quiet to active: Apr 9
          unsettled to active: Apr 8

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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