| 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]) |
|
Details: File format summary
: detailed report on file format 
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