Unearthing the ‘ECDIS’, Marine Navigation’s Principal Component https://t.co/yO7iBj6SAj https://t.co/IPwFkOkSFJ

Unearthing the ‘ECDIS’, Marine Navigation’s Principal Component https://t.co/yO7iBj6SAj http://pic.twitter.com/IPwFkOkSFJ

— Sea News (@SeaNews11) October 18, 2017

from Twitter https://twitter.com/SeaNews11

October 18, 2017 at 12:28PM
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