Synopsis
		sfricker1 < in.rsf > out.rsf frequency= freq=0.2 deriv=n

January 2013 program of the month:
http://ahay.org/blog/2013/01/08/program-of-the-month-sfricker1/

Parameters
		bool deriv=n [y/n] apply a half-order derivative filter   float freq=0.2 peak frequency for Ricker wavelet (as fraction of Nyquist)   float frequency= peak frequency for Ricker wavelet (in Hz)

Used In
		BEI          dpmv/yalei   CUP          rna2d/shot rna2d/simple rna3d/shot rna3d/sin   CWP          geo2006TimeShiftImagingCondition/flat geo2006TimeShiftImagingCondition/icomp geo2007StereographicImagingCondition/flat4 geo2007StereographicImagingCondition/gaus1 geo2007StereographicImagingCondition/sigsbee2 geo2008IsotropicAngleDomainElasticRTM/marm2allA geo2008IsotropicAngleDomainElasticRTM/marm2oneA geo2008NumericWEMVAoperators/flatWEMVA geo2008NumericWEMVAoperators/saltWEMVA geo2009TTIModeSeparation/fold geo2009TTIModeSeparation/marmousi2 geo2009TTIModeSeparation/tti3 geo2009VTIModeSeparation/separate2 geo2009VTIModeSeparation/separate3 geo2009VTIModeSeparation/separate5 geo2009VTIModeSeparation/sigsbee geo2011WideAzimuthAngleDecomposition/flatEICangle jse2006RWEImagingOverturningReflections/sigsbee pept2011MicroearthquakeMonitoring/saf1 pept2011MicroearthquakeMonitoring/saf2 pept2011MicroearthquakeMonitoring/saf3   DATA          amoco/fdmod