[postgis-users] Re: st_dwithin in SRID 4269

Sun Apr 26 22:21:07 PDT 2009

On Sun, 2009-04-26 at 19:47 -0400, Sean Fulton wrote:

> 
> 1 degree = 1 nautical mile = 1852 meters along any meridian.  That 
> might work for latitude but it won't work for longitude.

Ok this is all well-documented on Wikipedia (search for "nautical mile")

http://en.wikipedia.org/wiki/Nautical_mile
-- 
Regards,

Chris Hermansen         mailto:chris.hermansen at timberline.ca
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