| http://www.w3.org/ns/prov#value | - Special attention should be paid to:(1) The current(s) velocity and direction of the transmitting area;(2) Tidal state;(3) Prevailing and forecasted visibility and environmental conditions, including wind and waves;(4) Density of marine traffic;(5) Potential damage caused by own wake;(6) The danger of each closing visual or radar contact;(7) Vessel's handling characteristics; and(8) Magnetic varia
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