NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Refraction at altitude
From: h.a.c. van Asten
Date: 2012 Apr 17, 01:36 -0700
From: h.a.c. van Asten
Date: 2012 Apr 17, 01:36 -0700
Since 0.97 sqrt h is an angle whereas 1.15 sqrt h is a length , check for a ghost solution thanks to 0.97 is close to unity for tan of dip angle .
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