segyclean

seismic software,very useful

SEGYCLEAN - zero out unassigned portion of header
segyclean <stdin >stdout
Since \"foreign\" SEG-Y tapes	may use the unassigned portion
of the trace headers and since SU now uses it too, this
program zeros out the fields meaningful to SU.
 Example:
 	segyread trmax=200 | segyclean | suximage