GPS Backup with a Mark 3 Sextant: All Instructions and Tables Included; For Any Ocean, on Any Date; No...

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David Burch Tobias Burch

GPS Backup with a Mark 3 Sextant

All Instructions and Tables Included; For Any Ocean, on Any Date; No Background in Celestial...

David Burch, Tobias Burch

$35.95 $30.88

Paperback

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English

Starpath Publications
06 June 2018

Navigation & seamanship; Sailing

No power, and batteries used up? This book and an inexpensive Mark 3 sextant lets you carry on. Alternatively, if you want to learn a basic celestial navigation position fix for any reason with minimum investment, this book shows how to do that.

It's a short book, mostly tables. You can read it in an hour or two, master the sights in less than that, and find your position the next time you see the noonday sun.

Our guiding principle for this booklet was to provide a means of learning and executing a position fix at sea when a vessel has lost its GPS navigation. We wanted a solution that is compact and inexpensive, using tables and procedures that are easy to learn and use. This goal led to our proposing a minimum kit that mariners would not hesitate to add to their gear to cover the unlikely situation it would actually be needed. Mariners who cross oceans in small boats realize they must be self-reliant and cover all contingencies.

For mariners who do not have the opportunity to learn the full range of celestial navigation, this booklet and a Mark 3 sextant serve as an inexpensive backup that can be used to navigate across any ocean.

The almanac pages included have been custom designed to facilitate fast, easy solutions for Lat and Lon from the sun, plus we include a unique new Regiment of the North Star for easy Latitude by Polaris sights on any date.

By: David Burch
Designed by: Tobias Burch
Imprint: Starpath Publications
Dimensions: Height: 229mm, Width: 152mm, Spine: 6mm
Weight: 154g
ISBN: 9780914025603
ISBN 10: 0914025600
Pages: 108
Publication Date: 06 June 2018
Audience: General/trade , ELT Advanced
Format: Paperback
Publisher's Status: Active

David Burch is a Fellow of the Royal Institute of Navigation in London as well as a Fellow of the Institute of Navigation in Washington, DC, from which he received the Superior Achievement Award for outstanding performance as a practicing navigator. He has logged more than 70,000 miles at sea, including twelve transoceanic yacht races, with several first place victories and a passage record for boats under 36 feet that lasted 16 years. He also navigated the only American entry in the storm-ridden 1993 Sydney to Hobart Race. On the academic side, he is a former Fulbright Scholar with a PhD in physics. As Founding Director of Starpath School of Navigation in Seattle he has designed courses and taken part in the teaching of marine weather and navigation for more than 30 years. He continues to work on the development of online training materials, which are presented at starpath.com. His articles on special topics in navigation and weather appear at starpath.com/articles.