Synopsis
		sftpow < in.rsf > out.rsf tpow=2. xpow=0.

Does not estimate tpow automatically.

Parameters
		float tpow=2. power of time   float xpow=0. power of space

Used In
		BEI          dpmv/matt dwnc/vofz fld/yc ft1/brad krch/sep73 sg/denmark vela/stretch wvs/head   CWP          seg2006ConvertedWavesTSIC/cwtsic3   GEE          lmn/sep73 lsq/antoine mda/pefex pch/steep pch/mideast   GEO391          hw1/tpow   JSG          pwc/cmp   RSF          scons/rsf su/rsfkasper   SEP          cdstep/veltran pwd/lomo stack/velinv