{ "currentVersion": 10.81, "serviceDescription": " Dunedin 1958 to NZVD2016 Conversion\n------------------------------------------------------------------------\n https://data.linz.govt.nz/layer/53428-dunedin-1958-to-nzvd2016-conversion/\n========================================================================\nFrom: Land Information New Zealand\n\nDescription:\n The DUN58-NZVD2016 grid enables the conversion of normal-orthometric heights\n from the Dunedin 1958 local vertical datum to the New Zealand Vertical Datum\n 2016 (NZVD2016).\n \n The conversion value is represented by the attribute \u201cO\u201d, in metres.\n \n This conversion and NZVD2016 are formally defined in the LINZ standard\n [LINZS25009](http://www.linz.govt.nz/regulatory/25009).\n \n DUN58-NZVD2016 is published on a two arc-minute grid (approximately 3.6\n kilometres) extending over the benchmarks that nominally define the extent of\n the Dunedin 1958 vertical datum (168.4° E to 171.3° E, 43.9° S to 46.5° S).\n \n The height conversion grid models the difference between the Dunedin 1958\n vertical datum and NZVD2016 using the LINZ GPS-levelling marks. From the\n GPS-levelling marks the expected accuracy of DUN58-NZVD2016 is better than 2\n centimetres (95% Confidence interval).\n \n More information on converting heights between vertical datums can be found [on\n the LINZ\n website](http://www.linz.govt.nz/data/geodetic-services/coordinate-conversion/converting-between-nzvd2016-nzgd2000-and-local-vertical-datums).\n\nRegion: New Zealand\n\nCategory: Vertical Datum 2016\n\nProjection: NZGD2000 / New Zealand Transverse Mercator 2000", "name": "Public/Dunedin58_to_NZVD2016", "description": " Dunedin 1958 to NZVD2016 Conversion\n------------------------------------------------------------------------\n https://data.linz.govt.nz/layer/53428-dunedin-1958-to-nzvd2016-conversion/\n========================================================================\nFrom: Land Information New Zealand\n\nDescription:\n The DUN58-NZVD2016 grid enables the conversion of normal-orthometric heights\n from the Dunedin 1958 local vertical datum to the New Zealand Vertical Datum\n 2016 (NZVD2016).\n \n The conversion value is represented by the attribute \u201cO\u201d, in metres.\n \n This conversion and NZVD2016 are formally defined in the LINZ standard\n [LINZS25009](http://www.linz.govt.nz/regulatory/25009).\n \n DUN58-NZVD2016 is published on a two arc-minute grid (approximately 3.6\n kilometres) extending over the benchmarks that nominally define the extent of\n the Dunedin 1958 vertical datum (168.4° E to 171.3° E, 43.9° S to 46.5° S).\n \n The height conversion grid models the difference between the Dunedin 1958\n vertical datum and NZVD2016 using the LINZ GPS-levelling marks. 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