NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: About GPS again
From: Robert Wyatt
Date: 2013 May 31, 09:56 -0700
From: Robert Wyatt
Date: 2013 May 31, 09:56 -0700
However, the article doesn't suggest using celestial nav as a fall back, rather it suggests "chart, compass and visual bearings."
Of course there's also the Selective Availability mode which is said to have been disabled around 2000--not sure if that's true.
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