GPS Backup with a Mark 3 Sextant: All Instructions and Tables Included; For Any Ocean, on Any Date; No Background in Celestial Navigation Required.
by David Burch,Tobias Burch
ISBN 13: 9780914025603
Format: Illustrated (108 pages) Publisher: Starpath Publications Published: 06 Jun 2018
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Hawaii by Sextant: An In-Depth Exercise in Celestial Navigation Using Real Sextant Sights and Logbook Entries
by David Burch,Stephen Miller,Tobias Burch
ISBN 13: 9780914025184
Format: Illustrated (176 pages) Publisher: Starpath Publications Published: 14 Mar 2014
Navigation Workbook 1210 Tr: For Power-Driven and Sailing Vessels
by David Burch,Larry Brandt,Tobias Burch
ISBN 13: 9780914025443
Format: Paperback (108 pages) Publisher: Starpath Publications Published: 31 Jul 2014