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/blog/2012/11/03/program-of-the-month-sfbandpass/

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          cant12/lpf cant12/stk freeusp/land nankai/data nankai/shots seam-phase1-2d/filter teapotdome/angmig teapotdome/canoren teapotdome/scdecon teapotdome/tahsubset teapotdome/teamodel teapotdome/vels teapotdome/zomig viking/basicm8r   GALLERY          marmousi/recurkir segsalt/model sigsbee/kirMulti teapot/angmig teapot/zomig twohalf/kirMulti   GEE          hlx/solar   GEO384H          hw4/match   GEO384S          hw2/migration hw3/dmo hw3/nmo hw3/nmo3d hw6/kirchhoff hw6/rtm   GEO384W          hw4/sigsbee   JLU          apefsnsep/dune apefsnsep/simplegroll fspfint/curve fspfint/noise_curve fspfint/sean gvdseisint/ocmodel riesz/sigmdenoi riesz/sigmoid txsopf/curvedmodel txyapf/curve txyapf/french txyspfint/field3 txyspfint/french vdseislet/nmo vdseislet/usp   M8R          data/freeusp parallel/omp   PSU          ligo/test   RSF          reprobook/exam2 rsf/matplotlib rsf/test school/data school/sigsbee school2017/seismic school2020/seismic scons/rsfpy   SEP          aal/gulf angle/agmig bspl/stolt forwd/stolt oc2/cup oc2/ocimp pefmult/haskell pefmult/mobil 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   TCCS          anisodiff/pcable anisodiff/simple anisodiff/simple3d apefint/misscurv apefint/missing apefint/ray apefint/sean avo/avo cs/coef cs/sean cs/synth dbortho/hyper dealiase/coef dealiase/field dealiase/linear dealiase/synth dealiase/synth30Hz dealiase2/bei dealiase2/hyper dealiase2/hypern deblend/fairfield-initmfnew deblend/linear deblend/synthcomplex deblend/synthhyper demulemd/haskell demulemd/mobil diffr/fault dipseis/sigmoid dsd/conflict dsd/field1 dsd/field2 dsd/sig dtwaniso/dtw-example enhemd/sigmoid ffd/bpmodel flat/comaz flat/flat fwiseislet/blend fwiseislet/encoding-spar fwiseislet/encoding fwiseislet/noise-spar fwiseislet/noise fwiseislet/timedomain fwiseislet/wavelet lowrank/fio ltft/groll medianfilter/dragon medianfilter/model medianfilter/window merge/apache merge/pcable merge/pcable2 nar/trace nmo3/mcelroy nmodeblend/simple npm/trace oc3/french oc3/frenchint opwd/pick ortho/orthocomplex orthogroll/field ovc/nankai pcastack/field pi/bei pmig/nmo probdif/nankai probdif/noisy-synthetic probdif/synthetic probdif/toy pwshape/qdome pwshape/qdome3 scan3/realdata seislet/diplet seislet/gath seislet/lena seislet/seis sparse/sparse-experim-shaping sparse/vg specrecom/gulf strfilter/spray strsvd/complex strsvd/fieldstrsvd strsvd/hyper svscan/class svscan/simple svscan/synth timefreq/chev timelapse/duri varipick/newviking vscan/hw vscan/synth wetm/beivel wetm/nankaizone wetm/synthetic4   TUTORIAL          authors/data   XJTU          mcaseislet/interp test/fpocs3d test/myradon2   ZJU          diffrlrra/fault diffrlrra/nankai_new optnoise/postack optnoise/slope sosvmf/field sosvmf/hyper sosvmf/jy