[kwlug-disc] Line of sight / antennas
youcanreachmehere at hotmail.com
Thu Apr 17 15:11:42 EDT 2014
I have always used radiomobile to determine line of site, or required tower heights between wireless hops, as it also takes into account the fresnel zone. I found what appears to be an online instance of it; however I have never used the online version .
> Date: Wed, 16 Apr 2014 16:56:14 -0400
> From: jvj at golden.net
> To: kwlug-disc at kwlug.org
> Subject: Re: [kwlug-disc] Line of sight / antennas
> On 2014-04-16 16:01, Richard Weait wrote:
> It doesn't consider earth curvature ...
> A "back of the envelope" calculation shows the difference in elevation
> over 160 km caused by the earth's curvature at about 20 metres.
> Tower / antenna heights are another thing.
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