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acknowledgements for ansi/nist-itl 1-2011 - NIST Visual Image ...

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ANSI/<strong>NIST</strong>-ITL 1-<strong>2011</strong> - UPDATE 2013 DRAFT VERSION• MGRS 24 (Military Grid Reference System)• USNG 24 (United States National Grid)• GARS 24 (Global Area Reference System)• GEOREF 24 (World Geographic Reference)• LANDMARK landmark and position relative to the landmark, <strong>for</strong> example:Landmark: hydrant 143 sector 5 Position: 5.2 meters directly E• A fifteenth optional in<strong>for</strong>mation item is the geographic coordinate other systemvalue / OCV. It shall only be present if OSI is present in the record. It can be up to126 characters in length. If OSI is LANDMARK, OCV is free text and may be upto 126 characters. For details on the <strong>for</strong>matting of OCV <strong>for</strong> the other coordinatesystems shown in OSI as examples, seeTable 6 Geographic coordinate datum code valuesGeodetic Datum CodeAiryAustralian NationalBessel 1841Bessel 1841 (Namibia)Clarke 1866e 1880EverestFischer 1960 (Mercury)Fischer 1968GRS 1967Helmert 1906HoughInternationalKrassovskyModified AiryModified EverestModified Fischer 1960South American 1969WGS-60WGS-66WGS-72WGS-84 / NAD-83ValueAIRYAUSTBESBESNCLK66CLK80EVERFIS60FIS68GRS67HELMHOUGINTKRASAIRYMEVERMFIS60MSA69WGS60WGS66WGS72WGS8424For a description, see http://earth-info.nga.mil/GandG/coordsys/grids/referencesys.htmlMay, 2013 DRAFT VERSION UPDATE 2013 Page 61

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