The National Archives
Search our website
  • Search our website
  • Search our records
   
 
Image of software box and CD PRONOM
Welcome (PRONOM  home page) About PRONOM Add an entry
Search Help - opens in a new window Information resources - opens in a new window
 
 
 

*Details: File format summary

   
 

 

Search by keyword Search by file format Search by PUID Search by software Search by vendor Search by lifecycles Search by Migration Pathway

Details for:

Save as... XML | CSV Printer friendly version
 
Go to:  Summary  |  Documentation  |  Signatures |  Compression  |  Character encoding  |  Rights  |  Reference files   Properties  
 

Signatures

External signatures File extension: dted
File extension: dt0
File extension: dt1
File extension: dt2
File extension: avg
File extension: min
File extension: max
Internal signatures
Name 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.
Byte sequences
Position type Absolute from BOF
Offset 0
Byte order  
Value 55484C31{7}(57|45){7}(4E|53){60}445349
Top of page Top of page
 
         
The National Archives Newsletter Icon

Send me The National Archives’ newsletter

A monthly round-up of news, blogs, offers and events.