stupid question
Bob Nelson
raccoonradio@gmail.com
Tue Oct 25 15:06:11 EDT 2005
>>the sun's light suppresses
> some signals.
Speaking of which...aren't there occasionally DX "finds" during eclipses?
On 10/25/05, Dashing Dave <conan72_1999@yahoo.com> wrote:
> It's due to the sun's effect on the atmosphere. Solar radiation suppresses
> all electronic transmissions. During particularly active Solar Flare
> cycles...entire power grids have been knocked out. In this case - during
> the daytime hours in your geographic location - the sun's light suppresses
> some signals. When night falls - the same signal travels much much farther
> and with greater clarity. This is why many AM stations have to turn down
> their transmitter power at night - so they aren't broadcasting outside their
> designated area.
>
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