On Sun, 11 Jan 2009 19:55:13 -0800
Tree <tree@kkn.net> wrote:
>I have not heard ZS as
> well as I did 11 years ago ... signals have been
> very poor. I remember ZS4TX's signal coming in very
>strong almost every night
> for a week or two back 11 years ago.
> I also remember hearing some echos
> Haven't heard any of this recently.
Tree,
While conditions are guaranteed to vary from one cycle to
another, perhaps there also has been a gradual increase in
man-made noise around the world, which on TB could create
the impression of poorer conditions. If we just had a
long-term calibrated means of measuring ambient noise...
73,
George
AA7JV
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