World Geodetic System (WGS). GPS receivers operate on the World Geodetic System (WGS) global...
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Twilight is the period of incomplete darkness before sunrise and after the sunset. So the morning...
The lone figure standing atop the international memorial to seafarers outside the London...
‘A remorseless and never ending escalation in time and paperwork’ The most obvious, and...
Great circle sailing involves the solution of courses, distances, and points along a great circle...
This report from the Transport Accident Investigation Commission New Zealand features the...
ECDIS represents an item of equipment consisting of Hardware Software and Data The Hardware of the...
The ship security alert system is provided to a ship for the purpose of transmitting a security...
An output from a gyro or magnetic repeating compass is coupled to a differential amplifier along...
Since it is impractical to draw the large circle of a position circle on the chart, only the part...