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OK0NAG > SOLAR 24.12.09 13:00l 83 Lines 2300 Bytes #999 (0) @ EU
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Subj: solar & geomagnetic activity forecast
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Date: Thu, 24 Dec 2009 12:53:29 +0100 (CET)
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Subject: solar & geomagnetic activity forecast
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_____________________________________________________________________
Solar-activity forecast for the period Dec 25 - 31, 2009
Activity level: mostly very low
Radio flux (10.7 cm): a fluctuation in the range 72-78 f.u.
Flares: weak (0-7/day)
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 Dec 25 to Dec 31, 2009
quiet: Dec 25 to 31
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 17 to 22.
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:
quiet to unsettled: Jan 18 - 19
quiet: Dec 25 - 31, Jan 1, (3,) 4 - 8, (9,) 10 - 17,) 20
Survey: quiet: Dec 15 - 20, 23
mostly quiet: Dec 21
quiet to unsettled: Dec 22
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.
F. K. Janda, OK1HH, Czech Propagation Interested Group
e-mail: franta.janda(at)quick.cz
_____________________________________________________________________
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