[B-R-I] Re: Not Much Skywave These Days

[Kaimbridge M. GoldChild]

Dave "Mike Thomas" Tomm wrote,

> Maybe the lingering effects of the Aurora Borealis is what's
> causing the diminished skywave.

No "maybe" about it!  P=/

The geomagnetic "K" index, which is usually uneventfully
from between 1-2, quiet to nominal, and 3-4, unsettled to
active--with 5-7 being minor to strong geomagnetic storming
(i.e., "auroras")--had been 8 and (the maximum possible) 9,
seveve to extreme storming, from Sunday to Wednesday, related
to some strong, "proton event" causing, "M" and "X" flares from
Saturday to Wednesday (yesterday, the K index was betwwen 2-5 and
flaring stayed well under "C" level).
See yesterday's and Toesday's 3-day Flare graphs

          http://www.sec.noaa.gov/ftpdir/plots/xray/20041112_xray.gif
          http://www.sec.noaa.gov/ftpdir/plots/xray/20041109_xray.gif

Ditto for the planetary "K" graphs:

          http://www.sec.noaa.gov/ftpdir/plots/kp/20041112_kp.gif
          http://www.sec.noaa.gov/ftpdir/plots/kp/20041109_kp.gif

Tying it in to the "skywave", it may take several days to weeks for
the skywave to fully recover, and usually it's from south to north
(thus FL, GA, TN, Cuba and the Caribbean may be coming in, while
reception from north of there, such as to IL, OH and within all of
the NorthEast, will still be mostly "daytime dead", even with a low
K index.

     ~Kaimbridge~

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