[Proj] Ellipsoid data sources

[Frank Warmerdam]

Gerald I. Evenden 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?

Gerald,

I'm familiar with these codes from the datum and ellipsoid information
distributed with GeoTrans produced at NIMA/NGA.  So I assume they are
based on some military coordinate system standard.

Best regards,
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