Synopsis
		sfreal < cmplx.rsf > real.rsf

Used In
		BEI          ft1/brad ft1/ft2d ft1/ft2d ft1/plane4   CUP          rna2d/shot rna2d/simple rna3d/real rna3d/sin   CWP          geo2006TimeShiftImagingCondition/flat geo2007StereographicImagingCondition/sigsbee2 geo2008NumericWEMVAoperators/flatWEMVA geo2008NumericWEMVAoperators/saltWEMVA geo2009TTIModeSeparation/tti3 geo2011WideAzimuthAngleDecomposition/seam357 jse2006RWEImagingOverturningReflections/sigsbee pept2011MicroearthquakeMonitoring/saf1 pept2011MicroearthquakeMonitoring/saf3   DATA          alaska/line31-81-m8r