How to use Plastic Sextants trawler Easter Group 1 : 25

Easter Group 1 : 25 000

Gizo Harbour and Approaches 1:25 000

Timber Hitch

combined with a compass bearing

Detailed hand-drawn anchorage maps of places we recommend using along the Townsville Coast

How to use Plastic Sextants trawler Easter Group 1 : 25How to use Plastic Sextants by David Burch Sextants are used to measure angular heights of celestial bodies above the horizon to find the latitude and longitude of the observer. They can also be used on land with artificial horizons. Sextants can also be used to find the correct Universal Time by measuring the angular distance between the moon and another body along its path across the zodiac. In coastal waters or on land, sextants can be used for