Yes, I've been gone for a month or so...
Here it is. If you don't have your favorite reader use these fun dd & hexdump commands from the command line.
Reading the EBCDIC header:
dd if=input_file.sgy conv=ascii conv=unblock
Reading the job number
hexdump -C -s 3201x -n 3 input_file.sgy | awk '{print $2 $3 $4;}'
Reading the line number:
hexdump -C -s 3205x -n 3 10_770.sgy | awk '{print $2 $3 $4;}'
Reading the reel number:
hexdump -C -s 3209x -n 3 10_770.sgy | awk '{print $2 $3 $4;}'
Reading the format code:
hexdump -C -s 3224x -n 2 10_770.sgy | awk '{print $2 $3;}'
Reading the sample interval:
hexdump -C -s 3216x -n 3 10_770.sgy | awk '{print $2 $3;}'
Reading the samples per trace:
hexdump -C -s 3220x -n 2 10_770.sgy | awk '{print $2 $3;}'
Reading the sort code:
hexdump -C -s 3228x -n 2 10_770.sgy | awk '{print $2 $3;}'
