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A comment on How Crossrail was affected by the curvature of the Earth (2018). Parent comment

Re:How Crossrail was affected by the curvature of the Earth ... by lmc on Thursday May 05, 2022 @12:50PM (#31275702)
WGS-84 has angular coordinates, you can't measure distances like they need for construction without projecting to Cartesian coords, hence the local CRS they developed.
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