There's not really a simple answer to this question.
The best method of analysis would be to use the program
HFTA, which comes with the ARRL Antenna book. Here's a link
to the manual: http://www.arrl.org/notes/9876/HFTA.pdf
Dave Hachadorian, K6LL
Big Bear Lake, CA
----- Original Message -----
From: "Tony Rogozinski" <trogo@telegraphy.com>
To: <cq-contest@contesting.com>
Sent: Monday, August 11, 2008 9:44 AM
Subject: [CQ-Contest] Angle of received signal QUERY
>I am trying to determine what would be the lowest angle
>from which one could
> expect
> to receive DX signals? It seems that at one time I read 5
> degrees but I've
> done some
> research and can't find the answer so far.
> I am looking at a QTH here in Colombia that in one
> important direction has a
> hill about
> 330' higher than would be my antenna. That hill is 1KM or
> 3,250' away from
> the antenna.
> Using right triangle calculations the angle between my
> antenna and the top
> of the hill
> would be about 5.8 degrees. I'm concerned that the hill
> would have some
> affect on
> long haul signal reception. Should I be concerned????
> Otherwise the
> location is
> fabulous.
>
> Tony W4OI/HK7AR
>
>
> Tony Rogozinski
> Amateur Radio W4OI - W4AMR - HK1AR
> LICENSED FOR OVER 51 YEARS
> EX-N7BG, K5LMJ, K4KES, WA6BOU,
> W6JPC W7HZF, F7BK, VP5AR, VQ9AR,
> OJ0/N7BG, CN2BG, 5V7BG, TY5AR
> 9G5AR, TU/N7BG, ZC4BG, HK3KAV
> HK0/HK1AR, and others.....
> I've been to 103 DXCC Countries
>
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> CQ-Contest@contesting.com
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