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Cable length

A cable length is a nautical unit of measure, for which at least four definitions seem to exist:

Common definition: 1/10 nautical mile, i.e. 185.2 m.
"Ordinary" definition: 100 fathoms, i.e. 182.88 m.
US Navy definition: 120 fathoms, i.e. 219.456 m.
Royal Navy definition: 608 feet, i.e. 185.3184 m.

The unit is named after the length of a ship's "cable". Needless to say, the cable length as a unit of measure must be considered to be archaic, and very imprecise.

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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Cable length".