[OSM-talk] Units convention (Was: Mapping canals)

Richard Fairhurst richard at systemeD.net
Thu Jan 24 16:23:06 GMT 2008


Martin Trautmann wrote:

> Speaking about canals - do they use nautical speeds? Is the proper   
> unit km/h, mph or knots, are these land or sea miles? Distances here  
>  are given in km, using km plates besides the canal.

In the UK they use mph and miles.* Sometimes on river navigations  
there's maxspeed_upstream and maxspeed_downstream, too. :)

cheers
Richard

* anoraks may pick me up on this but that's _way_ too involved to get  
into here





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