[Elecraft] Which is best end of sunspot cycle? (was: SDR Transforms Amateur Radio)

[David Woolley (E.L)]

Tom W8JI wrote:

> just move the MUF up higher. More sunspots "enable" higher bands. 
> Propagation over the world is just as good if your ERP, local noise, and 
> antennas are about the same on low bands as higher bands.

Sky noise (galactic synchrotron) is inversely proportional to somewhat 
over the square of frequency and ERP for a given amount of real estate 
and input power increases with frequency.  There may also be ionospheric 
and surface reflection effects.


-- 
David Woolley
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