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Re: [TowerTalk] dipole takeoff angles

Subject: Re: [TowerTalk] dipole takeoff angles
From: Jim Lux <>
Date: Mon, 25 Apr 2011 07:12:43 -0700
List-post: <">>
On 4/25/11 6:59 AM, wrote:
> has anyone ever seen statistics on how many times a given signal bounces from 
> earth to ionosphere as it travels around the earth and what amount of loss is 
> involved each time it bounces?  David  K2DRN

VOACAP, ICECAP, etc. all simulate this, although they do use some 
approximations.  I would imagine the geometry and assumptions for the 
losses are in the documentation for the program.  And calculating 
statistics for a skywave path is what VOACAP is all about.

What level of detail are you looking for on the propagation? I can point 
you to some pretty detailed work on ray tracing on ionospheric paths, 
but that might be overkill for what you're trying to do

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