Home > Propagation > Sunspot Cycle 24

Sunspot Cycle 24

We HF Radio aficionados wait, not so patiently, for the return of the small group of sunspots that indicated the beginning of sunspot cycle 24. The return of sunspots to our sun will mean improved HF propagation allowing long distance contacts particularly on higher frequencies such as 10 meter band.

>From Tad Cook, K7RA
Seattle, WA December 1, 2008
To all radio amateurs

ARLP050 Propagation de K7RA

The average sunspot number for the month of November was 6.8, up
from 5.2 for October. The three month sunspot number average ending
November 30 — centered on October was 4.5 — an increase from
August and September’s 1.1 and 2.5.

This image shows there are currently no sunspots, but beginning Dec 5, we should see the return of the small group observed previously.

And from spaceweather.com

Aurora Borealis
Last night in far-northern Nunavik, Quebec, the clouds parted to reveal a green and purple ribbon of light winding among the stars. Sylvain Serre grabbed his Canon 30D and snapped this picture:

Categories: Propagation
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