AusNav #10 Vertical Sextant Angles

Greg explains how to use a sextant to measure a Vertical Sextant Angle and then plot it on a chart. Links to other videos: Conversion from Magnetic Bearings to True Bearings - http://youtu.be/6nQffr-UIkM Position Lines - http://youtu.be/_eFaz32ZBcs Horizontal Sextant Angles - http://youtu.be/YV2NaSMBd00 Part 2 of Horizontal Sextant Angles - http://youtu.be/wGrq1_6eFLk