You can find published specifications for dted at the nga website. Digital elevation modeling and mapping digital elevation model. Nga enterprise service center esc at 18004550899 comm or. Support from select international mapping organizations was instrumental in the. Feb 09, 2015 geoint visualization services gvs on this environment requires authentication through geoaxis. Jan 20, 2020 dted supports many applications, including lineofsight analyses, terrain profiling, 3d terrain visualization, mission planningrehearsal, and modelling and simulation. Unlike the digital sectional product produced by naco, the cadrg sectionals are seamless and provide map data stretching from coast to coast. Cib has a ground sample distance gsd of 1 meter resolution and is orthorectified using nga digital terrain elevation data level 2 dted level 2. Geological survey and the national geospatial intelligence agency have released an updated and more accurate global elevation model that pulls data from digital terrain elevation data dted from the shuttle radar topography mission srtm. Free satellite data, satellite imagery, digital elevation models dems, topographic maps and free software links.
The digital elevation models dem derived from the srtmxsar data. Cib started as a product called arc digital raster image adri. Nga products can be downloaded using the geoint delivery platform gdp and the map of the world mow download nga products plugin. Matlab has in its mapping toolbox a function for reading dted files. Topographic maps, publications and digital products page content the department of the interior, u. It is a graphical representation of national geospatialintelligence agency nga products available from mapping customer operations mco.
Spy agency maps show how the arctic is heating up wired. The horizontal datum is the world geodetic system 1984 wgs84 and the vertical datum is mean sea level as determined. Currently, several private contractors state that they have the capability to collect and generate high resolution elevation data. Digital terrain elevation data dted map and data library. The gmted2010 product suite contains seven new raster elevation products for each of the 30, 15, and 7. The global multiresolution terrain elevation data 2010 gmted2010 provides a new level of detail in global topographic data. Click the eye icon next to the desired product to begin the download. Dted supports many applications, including lineofsight analyses, terrain profiling, 3d terrain visualization, mission planningrehearsal, and modeling and simulation. Nga reference number national stock number nrnnsn download page.
For more detailed information about each product, please choose from the menu bar at the top of the screen. Descriptions of nga data formats common military data formats include rpf, dted, and nitf. Shuttle radar topography mission dted level 1 3arc second data dted1. Digital stock numbers can be obtained via the nga reference number.
Im kind of in an odd situation and need dted level 0 data but it looks like the nga raster roam site is down. Austere account to obtain an austere account, call the nga enterprise service center esc at 18004550899 comm or 5785555 tsvoip. Ocean, lake and river shorelines were identified and delineated from the 1 arcsecond dted2 data for details see nasa 2003 and were saved as vectors in esri 3d shapefile format esri 1998. When your profile is built, download to a folder on your computer. Rema provides the first, high resolution 8meter terrain map of nearly the entire continent. The following table provides a list of products available through the geospatial engine for public download.
Radio mobile rf propagation simulation software dted. Geoaxis authentication national geospatialintelligence. When you select this, your profile will be assembled. Nga nima dted is a global digital terrain elevation database dted provided by the national imagery and mapping agency usa with a horizontal grid spacing of 30 arc seconds approximately 1 kilometer. To submit a foundation requirement, follow this link for the nga foundation requirements tool groove. Also available are ngas standard data products such as dted, tandemx, cadrgecrg, cib and land cover information, usgs national elevation data ned and topographic maps, usda national agriculture imagery program naip imagery, openstreetmap feature data, and geopdf products from nga and usgs.
Shuttle radar topography mission dted level 1 3arc second. For quick access to data, apps and services, please select from the tabbed menu below. Srtm data is being used to generate a digital topographic map of the earths land surface with data. More information is available at the maps and geodata link at. The shoreline was extracted from topographic maps used for the production of the reference dem and superimposed over the srtm dted1 of the study area. If this problem persists, please contact the nga enterprise service center. National geospatialintelligence agency 7500 geoint drive springfield, virginia 22150 5715575400. The controlled image base cib is a seamless database of digital orthomosaic images. Nga products can be downloaded using the geoint delivery platform.
Shuttle radar topography mission nasa, nga srtm obtained elevation data on a nearglobal scale using a specially modified radar system onboard the space shuttle endeavour in february 2000. In support of military applications, the national imagery and mapping agency nima has developed standard digital datasets digital terrain elevation data dted which is a uniform matrix of terrain elevation values which provides basic quantitative data for systems and applications that require terrain elevation, slope, andor surface roughness information. Dod commands must identify all usgs product requirements to their national geospatial intelligence agency nga support team for approval and. The dted format is intended to be used with one band data that represents elevation, so this tool cannot be used for multiband images. Dted level 0 and dted level 1 files are in the same format albeit at different post spacings, as published in the milprf89020b document. The dpdw ingests the srtm data products, checks them for formatting errors, loads the srtm dted into the nga data distribution system, and ships the public domain srtm dted to the u. This is the best resolution dted map level that the app can use, with a nominal 30 meter cell spacing. Free digital elevation model dem and free satellite data. Coverage maps indicating the availability of srtm water body data products. Vertical accuracy of the srtm dted level 1 of crete. The digital terrain elevation data dted model is a series of gridded elevation models with global coverage at resolutions of 1 kilometer or finer. The dted format data will generally perform adequately. Geological survey topographic maps are not stocked by the richmond map facility, but are available to dod activities as interim products for unavailable, stated requirements, on a limited basis. Defense logistics agency aviation offers products mapping.
For details on locating dted for download over the internet, see find geospatial data online. Please navigate directly to the url of the resource you desire to access. Dted is the milspec and the data in that format published by nga. Dted supports many applications, including lineofsight analyses, terrain profiling, 3d terrain visualization, mission planningrehearsal, and modelling and simulation. Digital stock numbers can be obtained via the nga reference number national stock number nrnnsn download page. You are not accessing a valid geoaxis protected resource. Dted files digital terrain elevation data what it is. Once nga s pki network comes on line later this year youll be able to download nga limdis products like cib, cadrg and dted to your niprnet pc. Army corps of engineers geospatial center will be at booth 614 on feb.
The geospatial engine now provides access to imagery of the earth, maps and other geospatial information produced by the national imagery and mapping agency. Dted is a standard nga product that provides medium resolution, quantitative data in a digital format for military system applications that require terrain elevation. Topographic maps, publications and digital products nga. Geoint visualization services gvs on this environment requires authentication through geoaxis. Dted files contain digital elevation maps covering 1by1degree quadrangles at horizontal resolutions ranging from about 1 kilometer to 1 meter. Spy agency maps show how the arctic is heating up detail of the bering strait region from a new, unclassified nga map, showing shipping lanes colored lines, oil fields hatched areas, and. Common map background cmb program army geospatial center. Nasa and national geospatialintelligence agency nga. Youll sometimes here dted 1 referred to as 3 arc second dted and dted 2 referred to as 1 arc second dted. Geological survey usgs is the distributor of public sale nga topographic maps. Rpf data can be categorized into two further types. Geological survey usgs is the distributor of public sale nga topographic maps, publications and digital products.
Usgs ascii dem format is not particularly good as a data format because it is ascii. This makes the file size several times larger than a well. United states mapping agencies provide terrain elevation data in the form of data grids. Scope basis of this document is the performance specification digital terrain elevation data dted dma, 1996 provided by the national imaging and mapping agency nima. A dted file is a matrix of elevation values for a one degree by one degree area. National geospatial intelligence agency nga, formerly the national imagery and mapping agency nima, and before that, the defense mapping agency dma.
Download the application to your desktop and follow the instructions to unzip the application to your computer. Nga has started to develop a strategy to understand and meet the increasing custom demand for higher resolution digital elevation data dted. Topographic maps, publications and digital products the department of the interior, u. The national geospatial intelligence agency name, initials, and seal are protected by 10 united states code section 425. Dted is a uniform matrix of terrain elevation values and provides basic. For information on locating map data for download over the internet, see the. Dted is a standard national geospatialintelligence agency nga product that. The output pixel size is dictated by the dted level, and the data is converted and stored as signed, 16bit integers. An nga sponsor is needed to request and maintain an austere user account. Srtm water body data files are a byproduct of the data editing performed by nga to produce the finished srtm dted2 data. An nga online capability where a community of screened users can edit existing content and contribute new features to maps throughout the world. The digital elevation models dem derived from the srtmxsar data are provided in the dtedformat. This profile is not intended to replace standard dted 0, 1 and 2 products which will continue to be supported by nga.
In accordance with the dted 2 specification, the terrain elevation data have. The military format specification milprf89020b for the digital terrain elevation data dted is available in a multitude of locations. Elevation data digital elevation models l3harris geospatial. Apr 30, 2020 also available are nga s standard data products such as dted, tandemx, cadrgecrg, cib and land cover information, usgs national elevation data ned and topographic maps, usda national agriculture imagery program naip imagery, openstreetmap feature data, and geopdf products from nga and usgs. Once ngas pki network comes on line later this year youll be able to download nga limdis products like cib, cadrg and dted to your niprnet pc.
Map of the world national geospatialintelligence agency. The raster roam search will display the requested nga standard raster product over the area of interest. Ngaoffice of geomatics provides a free coordinate conversion tool geotrans. Dted is a standard national geospatial intelligence agency nga product that provides medium resolution, quantitative data in a digital format for military system applications. Usgs eros archive digital elevation shuttle radar topography. An ondemand geospatial platform that provides mission apps and developer tools. The shuttle radar topography mission srtm water body data files are a byproduct of the data editing performed by the national geospatial intelligence agency nga to produce the finished srtm digital terrain elevation data level 2 dted 2. I remember about 78 years ago that data was still obtainable but it doesnt appear as though it is. Ns dted 0 has a grid spacing of 30 seconds, dted 1 has a grid spacing of 3 seconds and dted 2 has a grid spacing of 1 second. Geoaxis authentication national geospatialintelligence agency. Visit us to find the latest news about doing business or working with the army geospatial team. Nga is designing a specification to evaluate and test this data when it. These files display the elevation information contained in dted files corrected by the geoid egm96 height so as to provide the terrain wgs84 altitude.
698 564 660 671 210 1260 1315 1047 414 1311 682 1299 764 377 1616 1615 1191 995 898 1174 1497 1299 695 1006 1327 15 156 850 1084 679 858