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*Details: File format summary

    
 

 

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Details for: National Imagery Transmission Format 2.1
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Go to:  Summary  |  Documentation  |  Signatures |  Compression  |  Character encoding  |  Rights  |  Reference files   Properties  
 

Signatures
External signatures File extension: ntf
Internal signatures
Name National Imagery Transmission Format 2.1
Description File Profile and name version declaration, followed by numerical complexity level (01-99), then 14 bytes comprised of 4 bytes standard type information and 10 bytes for originating station id, followed by 14 byte file date and time sequence CCYYMMDDhhmmss, followed by 72 byte length file title alphanumeric sequence with 8 additional space bytes,to 1 byte file security classification declaration (T|S|C|R|U)
Byte sequences
Position type Absolute from BOF
Offset 0
Byte order  
Value 4E49544630322E3130[30:39][31:39]{14}(31|32)[30:39][30:39][30:39](30|31)[30:39][30:33][30:39][30:32][30:39][30:35][30:39][30:35][30:39]{80}(43|52|53|54|55)
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