If you have an interest in space weather, the space news site is well worth a visit .
The table of sunspot numbers shown below is compiled from information found on the space weather site. Related comments are also taken from this site Sunspot Numbers
Sunspot Numbers
04 Feb 2012
43
Links to further information.
There are many websites you can turn to for information on radio propagation. I list below a few of my favourites and hope you find them to be of value to you.
a) One of the most interesting sites I have found recently is solarcycle24.com. Well worth a visit and highly recommended.
b) Find out all you want to know about radio propagation by visiting E C Jones comprehensive webpage on "The Basics of Radio Propagation." Click here for the details.
c) Another useful site to visit describes in detail what the gray line is and how it can enhance radio proagation. Click to find out more.
d) Yet another excellent site on radio propagation may be found here.Well presented and easy to read.
e) NASA's Stereo-B spacecraft monitors the sun. Well worth a visit.