On 6/12/06, K4SAV <RadioIR at charter.net> wrote:
> The arrival angle will vary depending on where you are located. Ga or Al
> will not be the same as W3 land. It also varies with the band and the
> MUF, which means it changes every hour. The probabilities are also
> skewed by the sunspot cycle. When picking an optimum angle you have to
> decide if you want the optimum angle over a short period of time or a
> long period of time.
That's correct. That's also why stacks work so well...you can modify
the takeoff angle as condx warrant.
A good resource for this stuff is N6BV's ARRL book "All The Right Angles".
--
Lee Hiers, AA4GA
"Have Dobro Will Travel"
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