Synopsis
		sfbandpass < in.rsf > out.rsf flo= fhi= phase=n verb=n nplo=6 nphi=6

November 2012 program of the month:
http://ahay.org/rsflog/index.php?/archives/313-Program-of-the-month-sfbandpass.html

Parameters
		float fhi= High frequency in band, default is Nyquist   float flo= Low frequency in band, default is 0   int nphi=6 number of poles for high cutoff   int nplo=6 number of poles for low cutoff   bool phase=n [y/n] y: minimum phase, n: zero phase   bool verb=n [y/n] verbosity flag

Used In
		CWP          geo2006TimeShiftImagingCondition/zicig geo2008IsotropicAngleDomainElasticRTM/marm2allA geo2008IsotropicAngleDomainElasticRTM/marm2oneA geo2011WideAzimuthAngleDecomposition/seam357 jse2006RWEImagingOverturningReflections/sigsbee   DATA          nankai/shots   GEO391          hw6/match   JSG          apefint/misscurv apefint/missing apefint/ray apefint/sean avo/avo diffr/fault ffd/bpmodel flat/comaz flat/flat lowrank/fio ltft/groll medianfilter/dragon medianfilter/model medianfilter/window nmo3/mcelroy oc3/french oc3/frenchint pmig/nmo seislet/diplet seislet/gath seislet/lena seislet/seis strfilter/spray timefreq/chev timelapse/duri   RSF          reprobook/exam2 rsf/test school/sigsbee scons/rsfpy usp/data   SEP          angle/agmig bspl/stolt forwd/stolt oc2/cup oc2/ocimp pwd/blast pwd/dune pwd/hector pwd/sean pyramid/model pyramid/pyramid steer/qdome stoltst/imps vc1/resdmo vc2/vcspk velspec/impls   SWAG          tau/lens   TUTORIAL          authors/data