SUREDUCE - convert traces to display in reduced time		", 

 sureduce <stdin >stdout rv=					

 Required parameters:						
	dt=tr.dt	if not set in header, dt is mandatory	

 Optional parameters:						
	rv=8.0		reducing velocity in km/sec		",	

 Note: Useful for plotting refraction seismic data. 		

 Trace header fields accessed: dt, ns, offset			
 Trace header fields modified: none				


 Author: UC Davis: Mike Begnaud  March 1995


 Trace header fields accessed: ns, dt, offset