2068 SOSI 8.1 GIS SOSI is an abbreviation of Samordnet Opplegg for Stedfestet Informasjon, translating to Systematic Organisation of Spatial Information in English. SOSI is a file format used for exchanging digital geodata published initially in 1987 by the Norwegian Mapping Authority. The standard includes definitions for geometry, topology, data quality, coordinate systems, attributes and metadata. It is a widely used in file format for Norwegian map data. 243 Norwegian Unix Users Group / Norwegian Unix Users Group 18 Jan 2020 18 Jan 2020 fmt/1250 PUID text/vnd.sosi MIME sos File extension 1626 SOSI Version 8.1 BOF: Magic bytes: {0-10} ‘HODE’{0-300}’SOSI-VERSJON’{0-5}'8.1' 1 Absolute from BOF 0 10 484F4445{0-300}534F53492D564552534A4F4E{0-5}382E31 Has priority over 2064 SOSI