Synopsis
		sfbackusave < deptha.rsf < slowa.rsf < rhoba.rsf > depth_bkn.rsf vel_bk=vel_bkn.rsf slow_bk=slow_bkn.rsf rhob_bk=rhob_bkn.rsf slowness= density= ratio= peak_f= depthsample=

Parameters
		string density= Density from Logs   float depthsample= Depth Sampling   float peak_f= Dom wavelength   float ratio= Percent of dom wavelength   file rhob_bk= auxiliary output file name   file slow_bk= auxiliary output file name   string slowness= Slowness from Logs   file vel_bk= auxiliary output file name

Used In
		TCCS          welllogs/logs