On Tue, 1 Aug 2006, Andrew McGhie wrote:
I don't know how relevant it is but the military have known for a while
that sun spots (flares) will affect radio trasnmissions.
Sunspots and flares affect radio, yes.
However that doesn't appear to be in any way related to the original post,
so I wouldn't confuse the issue.
If anyone is particularly interested, a substantially technical
explanation of the impact on radio can be found here:
I think the most likely explanation in this case is simply temperature