Synopsis
		sfsegyheader < in.rsf > out.rsf tfile=tfile.rsf n1= d1= o1=0

Use the output for tfile= argument in segywrite.

Parameters
		float d1= trace sampling   int n1= number of samples in a trace   float o1=0 trace origin   string tfile= auxiliary input file name

Used In
		RSF          rsf/sfenvelope su/rsfreadwrite   TRIP          asg/project struct/project   UH          avostack/synl