2021-11-09 2022-02-14 First Come First Served Per , values SHOULD use an acronym when available and MUST be converted to lower case, and spaces MUST be changed to dashes "-". me Mean Earth/Polar Axis (Moon) IETF wgs-84-96 World Geodetic System 1984 IETF wgs-84-08 World Geodetic System 1984 IETF wgs-84 World Geodetic System 1984 IETF