[Boatanchors] Fw: Re: SI units and the rest

[Nick England]

The great thing about standards is that there are so many to choose from.....


On Wed, Nov 17, 2010 at 12:01 AM, Kludge <wh7hg.hi at gmail.com> wrote:
> From Wikipedia:
>
> A cable length or cable's length is a nautical unit of measure equal to one tenth of a nautical mile or 100 fathoms, or sometimes 120 fathoms. The unit is named after the length of a ship's anchor cable in the age of sail. The definition varies:
>
> International: 1⁄10 nautical mile, or 185.2 m
> Imperial (Admiralty): 1⁄10 Admiralty mile (608 feet, 185.3184 m), or 100 fathoms (600 feet, 182.88 m)
> The traditional British fathom varied from 5½ feet to 7 feet in the Merchant Navy.
> U.S. customary (US Navy): 120 fathoms (720 feet, 219.456 m)
>
> Best regards,
>
> Michael, WH7HG BL01xh