Ordnance Survey Data Importer Coordinate Conversion Accuracy
Read OriginalThis technical blog post details an analysis of an inaccuracy in a third-party GeoCoordConversion DLL used to transform Ordnance Survey Eastings/Northings coordinates to Latitude/Longitude for SQL Server import. The author quantifies the impact by comparing results from the original and corrected code, finding an average positional difference of 2.5 meters, and discusses the implications for the data project.
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