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OK0NAG > SOLAR 31.12.09 11:54l 83 Lines 2406 Bytes #999 (0) @ EU
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Subj: Weekly Forecast Bulletin
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Date: Thu, 31 Dec 2009 11:50:36 +0100 (CET)
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_____________________________________________________________________
Solar-activity forecast for the period Jan 1 - 7, 2010
Activity level: mostly very low to low
Radio flux (10.7 cm): an increase in the range 76-83 f.u.
Flares: weak (0-5/day), middle (0-2/period)
Relative sunspot number: in the range 11-40
Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
_____________________________________________________________________
Geomagnetic activity forecast for the period Jan 1 to Jan 7, 2010
quiet: Jan 1 to 7
quiet to unsettled: 0
unsettled: 0
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary: geomagnetic field was quiet from
Dec 23 to 30.
RWC Prague, Geophysical Institute Prague, Geomagnetic Dept,
Czech Republic
e-mail: geom(at)ig.cas.cz
_____________________________________________________________________
Geomagnetic activity forecast for the period of one solar rotation
Geomagnetic field during the following solar rotation should be:
active to disturbed: Jan (2)
unsettled to active: Jan (19)
quiet to unsettled: Jan (17,) 18, (20, 22)
quiet: Jan 3 - 16, 21, 23 - 27
Survey: quiet: Dec 23 - 24, 26 - 30
mostly quiet: -
quiet to unsettled: Dec 25
quiet to active: -
quiet to disturbed: -
mostly unsettled: -
unsettled to disturbed: -
mostly active: -
active to disturbed: -
disturbed: -
Notices:
Days in brackets refer to a lower probability
of possible activity enhancements depending
on previous development on the sun.
HAPPY NEW YEAR FROM P. I. G.!
F. K. Janda, OK1HH, Czech Propagation Interested Group
e-mail: franta.janda(at)quick.cz
_____________________________________________________________________
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