File Extension DT1

.DT1 File

File extension: DT1
File type: Level 1

Notes about the DT1 file extension:

To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The DT1 file type is primarily associated with 'DTED' by National Geospatial-Intelligence Agency. A data file of DTED (Digital Terrain Elevation Data) is a cell defined by latitudes and longitudes of a geographic reference system. The terrain elevation information is expressed in meters. The locations of elevation posts are defined by the intersections of rows and columns within a matrix. The required matrix intervals, defined in terms of geographic arc seconds, vary according to latitude. DT1 is generally 3 arcseconds.

Detailed information for file extension DT1:

Primary association: DTED
Company: National Geospatial-Intelligence Agency

To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

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