Entry from British & World English dictionary
A navigational instrument that fixes a ship’s position on a chart by determining its place relative to two landmarks or conspicuous objects at sea.
- At block 356 the station pointer is loaded into the X register to find out what station is involved.
- He positions the station pointer on the chart and lines up the three arms with the objects ashore.
- Called a three arm protractor or station pointer, it was invented in 1801 by Joseph Huddart, a U.S. naval captain.
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