GPS Backup with a  Mark 3 Sextant
Subtitle: All Instructions and Tables Included;  For Any Ocean, on Any Date;  No Background in Celestial Navigation Required.
Publisher: Starpath Publications
Published: Jun 06, 2018
Format: paperback
Number of pages: 98
ISBN-13: 9780914025603
Notes: Source title: GPS Backup with a  Mark 3 Sextant: All Instructions and Tables Included;  For Any Ocean, on Any Date;  No Background in Celestial Navigation Required.