Detail: Understanding Astro Navigation

Understanding Astro Navigation
Link ID	247
Title	Understanding Astro Navigation
Url	http://www.bookcase.org.uk
Description	New system of astro navigation which could be used in survival situations especially in circumstances where navigators are faced with problems caused by failure of satellite navigation systems.
Detail Description
Category	Boating and Sailing Books
Date	Dec 31, 1969
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