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Re: calculating the azimuth between two lat/lon's

• To: mathgroup at smc.vnet.net
• Subject: [mg34984] Re: calculating the azimuth between two lat/lon's
• From: rainer gruber <rainer.gruber at gmx.at>
• Date: Tue, 18 Jun 2002 02:48:23 -0400 (EDT)
• Organization: Johannes Kepler Universitaet Linz
• References: <aec3co$4nl$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Sorry,

my fault, I "redefined" azimuth. As I found on 
<http://aa.usno.navy.mil/data/docs/AltAz.html#Notes> "_Azimuth_ is the 
angle along the horizon, with zero degrees corresponding to North, and 
increasing in a clockwise fashion".

I posted the angle between the two lines from both points to the center 
of the earth.

Rainer Gruber


DrBob wrote:

> I think azimuth is far more complicated than rainer indicated.  Copy the
> following notebook expression into an empty notebook, for a discussion
> of calculation of azimuth, plus examples using the CityData package.
> 
> If I've missed the boat somewhere, I'm sure someone will let me know!!
> 
> Bobby Treat
> 
> ...................