[HCRA] Welcome to the bottom! Now when will we see 6m F2?!?
Daniel Sullivan
djs13 at hotmail.com
Tue Jul 3 15:47:04 EDT 2007
http://www.arrl.org/?artid=7568
Solar Flux to Bottom Out in July as Cycle 24 Gets Closer (Jul 3, 2007) --
The National Oceanic and Atmospheric Administration's (NOAA) Space
Environment Center (SEC) released their monthly forecasts of sunspot number
and 10.7 cm radio flux, including high and low bounds to their forecasts.
The SEC forecasts that the smoothed sunspot number reached its low value of
11.7 in March 2007, and predicts that the solar flux will reach its low of
75.4 this month. This is the fourth month in a row that the SEC predicts the
solar flux will bottom out in July. Based on the SEC predictions, this is
probably at the bottom of Cycle 23 and extremely close to the beginning of
Cycle 24. Two events will mark the beginning of the next sunspot cycle: The
observation of the first opposite magnetic polarity sunspots compared to
Cycle 23 sunspot polarity, and the observation high solar latitude sunspots
-- the Cycle 23 sunspots are now very near the solar equator. The SEC
predictions table and sunspot number and solar flux prediction graphs are
available on the SEC's Web site. -- The Daily DX
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