Crigou Posted May 10, 2011 Share Posted May 10, 2011 For those who are using the NGS Online Inverse Geodesic Calculator: http://www.ngs.noaa.gov/cgi-bin/Inv_Fwd/inverse2.prl be careful. Especially between two near-antipodal locations, the computed distance shows an error of some tens of kilometres !!! The origin of the numeric trouble was identified long time ago by Thaddeus Vincenty (page 92): http://www.ngs.noaa.gov/PUBS_LIB/inverse.pdf In any case, it is preferrable to use the reliable and very accurate online calculator by Charles Karney: http://geographiclib.sourceforge.net/cgi-bin/Geod Quote Link to comment
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.