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OK0NAG > SOLAR 30.12.07 23:17l 73 Lines 2139 Bytes #999 (0) @ EU
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Subj: solar & geomagnetic activity forecast
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Date: Thu, 20 Dec 2007 13:10:32 +0100 (MET)
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Subject: solar & geomagnetic activity forecast
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Solar-activity forecast for the period Dec 21 - 27, 2007
Activity level: predominantly very low
Radio flux (10.7 cm): a fluctuation in the range 66-75 f.u.
Flares: weak (0-5/day)
Relative sunspot number: in the range 0-15
Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
_________________________________________________________________
Geomagnetic activity forecast for the period Dec 21 to Dec 27, 2007
quiet: Dec 24 to 27
quiet to unsettled: Dec 23
unsettled: Dec 21 and 22
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary: geomagnetic field was quiet from
Dec 13 to 16, quiet to unsettled on Dec 19, unsettled on Dec 17,
active on Dec 18.
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
unsettled to active: Dec 23, (25-27,) Jan 8, (9,) 12
active to disturbed: Dec 21-22, Jan 6-7, 13-14
quiet: Dec (24,) 28-31, Jan 1, (2,) 3-4, (5, 10,) 11
Survey: quiet on: Dec 14-15
quiet to unsettled on: Dec 13
quiet to active on: Dec 12, 16
quiet to disturbed on: Dec 17
mostly unsettled on: Dec 19
unsettled to disturbed on: Dec 18
Notice: Days in brackets refer to a lower probability of possible
solar activity enhancements depending on previous developments
on the sun.
F. K. Janda, OK1HH, Czech Propagation Interested Group
e-mail: franta.janda(at)quick.cz
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