engleski

Plotting of manually obtained fixes on ECDIS

In this paper the problem of sailing solely by using ECDIS without signal from GPS is emphasized. There is a very present danger of GPS signal being jammed or lost and chance of malfunction of GPS receiver onboard a ship. ECDIS shows ground stabilised motion of the vessel. In the case of GPS signal being lost, ground stabilised picture can not be presented. If the position data becomes invalid some systems switch automatically to water stabilized mode. Authors put emphasis on the need of proper understanding of used input data in a system. Analyizing K-Bridge ECDIS using various input parameters when GPS signal is lost authors recommend plotting fixes manually without vectors presented either ground stabilized or sea stabilized.

ECDIS ; lost of GPS signal ; manual fixing

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