Sorry to say this is the last ARRL Propagation Forecast Bulletin I
will write.  I took over in 1991 from Ed Tilton, W1HDQ when he was
too ill and weak to continue, and now with ALS I have similar
problems.

Geomagnetic influencers were more stable this week (planetary A
index shifted from 16.9 to 10.7) and solar indicators were weaker.
Average daily sunspot number changed from 159.1 to 103.3 and avera...

Editor’s note: This post is part of an ongoing series of short Ham Radio 101 articles from OnAllBands addressing the basics of amateur radio as a service to aspiring and […]

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