Hi all. I have saved a gtx file containing the 2008 geodetic model for Peru, egm2008.gtx in the correct folder, as can be shown in the below image. But when I want generate a AT overriding the WGS 84 to obtaining a best accuracy in geodetic height, the new geodetic model doesn't appear. How can I get set this model? As can be shown EGM 2008 Peru doesn't appear but EGM 96, NAVD88 (metric and imperial) and NGF-IGN69 appear to be set, but g2012a_alaska, g2012a_conus, g2012a_hawaii, and the others doesn't appear. How can I set egm2008peru.gtx to override wgs84 18S geoid elevations?
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