SEGY
Data SU Data
3200-byte EBCDIC Header 240-byte Trace Header
400-byte Binary Header N-byte Data Trace
240-byte Trace Header 240-byte Trace Header
N-byte Data Trace N-byte Data Trace
240-byte
Trace Header .
.
N-byte Data Trace .
. Continued
to end of data
.
.
Continued to end of data