Hansen's Ex-Meridian Tables, 2023 Edition Seamanship 2 DP Footprint Plots

2 DP Footprint Plots

British Admiralty Nautical Chart  2904: Usinish to Eigneig Mhor is a standard nautical chart

2 Marine Machinery

Weight: 1 lb 8 oz (680 g)

Scale: 1:300

Hansen's Ex-Meridian Tables, 2023 Edition Seamanship 2 DP Footprint PlotsA seaman always knows his latitude is an ancient proverb which emphasizes the importance attached to knowledge of the ship's latitude. Hansens Ex Meridian Tables, first published in 1919, have for over a century proven to be essential for mariners to calculate their position on Earth. The method of finding the latitude of a ship at sea from an observation of the sun is still practiced even as it became obsolete as technology improved. Historically the