[A-DX] Funkprognose 18.-24.6.

[Wolf Harranth <harranth@xxxxxxxx>]

_____________________________________________________________________

Solar-activity forecast for the period Jun 18 - 24, 2004

Activity level: mostly low
Radio flux (10.7 cm): a fluctuation in the range 95-130 f.u.
Flares: weak (2-15/day), middle (0-2/period)
Relative sunspot number: in the range 70-135

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

Geomagnetic activity forecast for the period Jun 18 to Jun 24, 2004

quiet: Jun 22, 23 and 24
quiet to unsettled: Jun 20 and 21
unsettled: Jun 18 and 19
active: 0
minor storm: 0
major storm: 0
severe storm: 0

Geomagnetic activity summary: geomagnetic field was quiet on
Jun 11, 12, 13 and 16, unsettled on Jun 10, 14 and 15.

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

Geomagnetic activity forecast for the period of one solar rotation

active:     Jun 18-20, (21, 23-24,), 25-30, Jul 3-8, 11-13
disturbed:  Jun (19 or 20,) 25-26, 29-30,) Jul 3, 5, (6,) 7-8, 11-13
quiet:      Jun 22, Jul (1-2,) 9-10

Survey:   mostly quiet: Jun 12-13, 16
          mostly unsettled: Jun 10-11
          unsettled to active: Jun 9, 14-15

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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