NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Refraction
From: Fred Hebard
Date: 2005 Aug 4, 12:50 -0400
From: Fred Hebard
Date: 2005 Aug 4, 12:50 -0400
Marcel, OK, I got it. Ignore my last post. You might want to look at the Introduction to the Air Almanac, which should give instructions for its use, and should discuss this case. I've never seen a bubble sextant, so I don't know whether they measure negative altitudes. Fred On Aug 4, 2005, at 12:20 PM, Marcel E. Tschudin wrote: > Yes, how do I get in this? Just trying to cover in a self-made program > the > situation from an object at the horizon (over sea level) as seen from a > mountain or air craft.
