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*Details: File format summary

    
 

 

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Details for: SEG Y Data Exchange Format Generic
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Go to:  Summary  |  Documentation  |  Signatures |  Compression  |  Character encoding  |  Rights  |  Reference files   Properties  
 

Signatures
External signatures File extension: segy
Internal signatures
Name SEG Y Data Exchange Format (Generic 1)
Description Signature based on recurring sequences observed in sample of 25 files from various web based sources, and with reference to the SEG Y Rev 1 Data Exchange Format SEG Technical Standards Committee paper, May 2002, available at http://www.seg.org/resources/publications/misc/technical-standards
Byte sequences
Position type Absolute from BOF
Offset 0
Maximum Offset 320
Byte order  
Value 40404040404040404040404040404040404040404040
Position type Absolute from BOF
Offset 3200
Byte order  
Value 0000{15}[!00]{3}[!00]{2}(0100|00[01:08])
Name SEG Y Data Exchange Format (Generic 2)
Description Signature based on recurring sequences observed in sample of 25 files from various web based sources, and with reference to the SEG Y Rev 1 Data Exchange Format SEG Technical Standards Committee paper, May 2002, available at http://www.seg.org/resources/publications/misc/technical-standards
Byte sequences
Position type Absolute from BOF
Offset 0
Maximum Offset 320
Byte order  
Value 40404040404040404040404040404040404040404040
Position type Absolute from BOF
Offset 3600
Byte order  
Value 0000{15}[!00]{3}[!00]{2}(0100|00[01:08])
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