Before revision: WGS 84 has most recently been updated to use the reference frame G2296, which was released on 7 January 2024 as an update to G2139 .
After revision: , now aligned to both the ITRF2020, the most recent ITRF realization, and the IGS20, the frame used by the International GNSS Service (IGS)WGS 84 has most recently been updated to use the reference frame G2296, which was released on 7 January 2024 as an update to G2139 .