GPS-Backup mit einem Mark 3 Sextanten: Alle Anweisungen und Tabellen enthalten; für alle
32,68 €
No power, and batteries used up?. This book and an inexpensive Mark 3 sextant lets you carry on. It's a short book, mostly tables. We wanted a solution that is compact and inexpensive, using tables and procedures that are easy to learn and use.
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