[Proj] Ellipsoid data sources

Eric Miller EMiller at dfg.ca.gov
Mon Jan 5 18:16:56 EST 2009

The codes are listed in Appendix A.1 of TR8350.2.

Note, the version posted here is not the latest available.  Reportedly, it was last amended on 2004-06-23.


>>> On 1/5/2009 at 2:35 PM, "Gerald I. Evenden" <geraldi.evenden at gmail.com> wrote:
> An aside to this issue: the NIMA pdf Janne ref'ed on local geodetic systems 
> notes "ID codes" with it appendix of ellipoid tables.  For example: WGS 84 
> was code "WE".
> Reference may be in the pdf but I could not locate it.  It just refers 
> to "standardized two letter code."
> Does anyone know where and who is responsible for these codes?
> On Monday 05 January 2009 2:25:40 pm Clifford J Mugnier wrote:
>> The largest I have ever seen in one place that is published is Georg
>> Strasser's Ph.D. dissertation from the 1960s, but I don't know if it's
>> available on the internet.  Of course, it doesn't have the ones listed
>> after that date of publication.  I think it contained over 200 ellipsoids 
>> ...
> 	...
>> From: proj-bounces at lists.maptools.org on behalf of Gerald I. Evenden
>> Sent: Fri 02-Jan-09 11:08
>> To: PROJ.4 and general Projections Discussions
>> Subject: [Proj] Ellipsoid data sources
>> Because I was refurbishing the GEOD_ELLIPS structure array of standard
>> earth ellipse constants with its current 54 entries I seem to recall a
>> seeing a list that may have been longer.  However browsing the normal list
>> of suspects has turned up nothing.
>> Does anyone have info on a well vetted and comprehensive list of earth
>> ellipsoid constants.

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