[Tagging] What is the unit of seamark:light:range?

[Martin Koppenhoefer]

2018-01-10 10:46 GMT+01:00 Andrew Davidson <theswavu at gmail.com>:

> The symbol for nautical mile can be M, NM, Nm, or nmi (
> https://www.bipm.org/utils/common/pdf/si_brochure_8_en.pdf p.127)
>
> M is not a good choice because it's too close to m (metre), M (mile Roman,
> Irish, survey, international...), or M (mega).



WP says also "sm" (sea mile).

Cheers,
Martin
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