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![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](https://assets.thestorygraph.com/assets/placeholder-cover-2a45d917f8f8061888e77f7aae688f59aacb0ece1262c264eaa3ca9f1dfd07e8.jpg)
GPS Backup with a Mark 3 Sextant: All Instructions and Tables Included; For Any Ocean, on Any Date; No Background in Celestial Navigation Required.
—
David Burch
—
David Burch
152 pages • missing pub info (editions)
ISBN/UID: None
Format: Digital
Language: English
Publisher: Starpath Publications
Publication date: Not specified
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![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](https://assets.thestorygraph.com/assets/placeholder-cover-2a45d917f8f8061888e77f7aae688f59aacb0ece1262c264eaa3ca9f1dfd07e8.jpg)
GPS Backup with a Mark 3 Sextant: All Instructions and Tables Included; For Any Ocean, on Any Date; No Background in Celestial Navigation Required.
—
David Burch
—
David Burch
152 pages • missing pub info (editions)
ISBN/UID: None
Format: Digital
Language: English
Publisher: Starpath Publications
Publication date: Not specified