Skip to main content
Service phase: Beta

This service is still in development. Give us your feedback.

Format

Digital Terrain Elevation Data

Summary

Name
Digital Terrain Elevation Data
Identifiers
PUID: x-fmt/314
Format type
GIS
Description
This is an outline record only, and requires further details, research or authentication to provide information that will enable users to further understand the format and to assess digital preservation risks associated with it if appropriate. If you are able to help by supplying any additional information concerning this entry, please return to the main PRONOM page and select ‘Add an Entry’.
Format encoding
Text
File extensions
dted, dt0, dt1, dt2, avg, min, max
Submitted by
Digital Preservation Department / The National Archives

Internal signatures

Digital Terrain Elevation Data

Description
User Header Label (UHL1), Western or Eastern Hemisphere, Northern or Southern Hemisphere, Data Set Identification(DSI). There is also security classification code (S, C, U, R) that appears in the file. Files with extensions .dt0, .avg, .min and .max are typically unclassified, while those with extensions dt1 and dt2 are typically classified.
Provenance
Signature identified by Georgia Tech Research Institute (Candidate Internal Signatures for File Formats in PRONOM Registry; 05/06/2010).

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
None
Byte Sequence
55484C31{7}(57|45){7}(4E|53){60}445349
Endianness
None

Changelog

  • V45

    Release date
    6 December 2010
    • Added signature

      Digital Terrain Elevation Data: Signature submitted by Georgia Tech Research Institute, USA.