I see from the WGS Wikipedia article:

Currently, WGS 84 uses the EGM96 (Earth Gravitational Model 1996) geoid, revised in 2004.

I see there is an older EGM84 geoid but I couldn't find anything that states the WGS 72 standard uses it.

What geoid does WGS 72 use?

  • If I'm reading this Wikipedia article correctly, the EGM84 geoid model has a resolution of 200 km. Because WGS72 and WGS84 (latitude-longitude-h) are much closer than that, you should be able to safely use the EGM84 geoid model or even the EGM2008 (10km resolution) – mkennedy Apr 4 '16 at 21:21
  • @mkennedy Yes, I saw the information about the different resolutions. I was more curious to know if the WGS 72 specification and/or standard was tied to a specific geoid as documented for WGS 84. – James Adkison Apr 5 '16 at 12:07

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