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Douglas Protractor
Images of 1:250 000 maps used are for demonstration of scale only
Edition 30 May 2025
sextants can be used for very accurate piloting by measuring the horizontal angles between charted landmarks
It includes worked examples from different manufacturers’ systems and highlights the advantages and disadvantages of incorporating AI in ECDIS usage
AUS 727 WA - Rocky Island to Eclipse Islands egum Douglas Protractor*Laminating available by clicking here* AUS 727 Australia North West Coast Western Australia Rocky Island to Eclipse Islands 1 : 150 000 Edition 24 Jan 2025
US$ 6697.50
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