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Re: Nautical Miles to Lat/Lon Degrees [message #17039 is a reply to message #17032]

Thu, 09 September 1999 00:00

Liam Gumley
Messages: 473
Registered: November 1994

Senior Member

David Fanning wrote:
> Does anyone know off-hand the formula for converting nautical
> miles to degrees of latitude and longitude for a given
> latitude and longitude? Pointers to appropriate reference
> materials is also appreciated.

David, the following may prove helpful:

According to my freshman physics text (Halliday and Resnick), 1 nautical
mile = 1.852 kilometers.

For computing the distance in kilometers between a pair of lat/lons,
nothing beats the COMPASS routine from the ESRG library, available at

http://www.astro.washington.edu/deutsch-bin/idllibsrch?keywo rd=compass

Cheers,
Liam.

--
Liam E. Gumley
Space Science and Engineering Center, UW-Madison
http://cimss.ssec.wisc.edu/~gumley

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[Message index]

		Re: Nautical Miles to Lat/Lon Degrees By: thompson on Thu, 09 September 1999 00:00
		Re: Nautical Miles to Lat/Lon Degrees By: jph on Thu, 09 September 1999 00:00
		Re: Nautical Miles to Lat/Lon Degrees By: davidf on Thu, 09 September 1999 00:00
		Re: Nautical Miles to Lat/Lon Degrees By: Liam Gumley on Thu, 09 September 1999 00:00
		Re: Nautical Miles to Lat/Lon Degrees By: Struan Gray on Thu, 09 September 1999 00:00
		Re: Nautical Miles to Lat/Lon Degrees By: davidf on Thu, 09 September 1999 00:00

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