 
 (1)
 (live)
1sis2vox1 (1)           - converts sis data to voxels.
1VOX2SIS1 (1)           - converts voxel file to sis dataset
1Voxcine1 (1)           - module to display a dataset as a 3-dimensional cube.
1Voxsample1 (1)         - resample a vox dataset.
1VOXTRANS1 (1)          - rotates cube data files.
addxsd (1)              - Add a constant value to the picked xsd input file.
adjsum (1)              - do adjacent trace stack
agca (1)                - apply a previously determined automatic gain control (AGC) curve to seismic trace data or to remove the effects of a previously applied AGC curve from the data
agmgrid (1)             - Translate agm 2D earth model into discrete grid.
agns (1)                - uses least squares to predict amplitudes of CDP data from a reflectivity equation.
ahist (1)               - produces an amplitude histogram of seismic data for plotting using xgraph
ampcor (1)              - compute and apply surface gain corrections
ampspec (1)             - produces a summed amplitude spectra
amst (1)                - 2D filtering/shaping
angle2meta (1)          - converts angst incident angles to metaplot for- mat.
angle2meta (1)          - converts angst incident angles to metaplot format.
ANGST (1)               - module to perform angle-dependent stacking for qualitative AVO analysis.
angst3d (1)             - 3D angle stack
angsyn (1)              - uses least squares to predict amplitudes of CDP data from a reflectivity equation.
anmo (1)                - apply/remove normal moveout correction
anmo3d (1)              - apply/remove normal moveout correction to 3D data
apend (1)               - append one data set to another
aqplot (1)              - Make a plot of acquisition geometry using vplot
arcsapply (1)           - module to apply residual statics as calculated by arcscum
arcscross (1)           - module to generate crosscorrelation output suitable for input to arcscum
arcscum (1)             - module to generate Adjacent Record Cummulative Statics quality control xgraph plot.
arcsdatum (1)           - module to restore an original datum, possibly corrupted by arcsapply.
arcsstack (1)           - module to generate Pilot and Object Stacks for input to arcscross for determination of adjacent record cum- mulative statics.fR
arcsstack (1)           - module to generate Pilot and Object Stacks for input to arcscross for determination of adjacent record cummulative statics.fR
arde (1)                - module to do maximum entropy deconvolution on seismic traces
arms (1)                - module to compute average or rms of traces
arnmo (1)               - automatic rnmo (residual normal moceout) correction
asig (1)                - asig computes complex signal attributes
asig1d (1)              - computes complex signal attributes
asig3d (1)              - calculation of seismic attributes due to reflec- tion events averaged along the instantanteous dip and azimuth directions determined from program semb3d.
asig3d (1)              - calculation of seismic attributes due to reflection events averaged along the instantanteous dip and azimuth directions determined from program semb3d.
at3d (1)                - computes an arbitrary traverse through a stacked 3-D volume of data. Traverse description may be through XSD pickfile or command line vertex (x,y) or (li,di) pairs.
attin (1)               - compute AVO attributes from angle gathers
ATTRIB (1)              - module to calculate a variety of user selected seismic attributes on angle stacked data.
ATTRIB3D (1)            - module to calculate a variety of user selected seismic attributes on angle stacked data.
auto (1)                - compute auto correlation of traces
avaws (1)               - module to compute AVO attributes by weighted stack- ing of NMO-corrected CDP data
avaws (1)               - module to compute AVO attributes by weighted stacking of NMO-corrected CDP data
avbf (1)                - computes the cumulative amplitude spectrum from a slab of seismic data. A least squares fit is computed from the spectrum and its coeficients are written into a seismic data volume.
avbu (1)                - module to evaluate changes in amplitude as a func- tion of temporal bandwidth for interpretation of vertical stratigraphic sequences and lithology.
avbu (1)                - module to evaluate changes in amplitude as a function of temporal bandwidth for interpretation of vertical stratigraphic sequences and lithology.
avepred (1)             - do spatially averaged predictive deconvolution
avgain (1)              - apply temporally and spatially averaged gain to trace data
avoan (1)               - amplitude versus offset analysis and balance
backus (1)              - module for applying a Backus 3-pt dereverberation operator to trace data
bdhead (1)              - module to generate image header for xsd images generated by bdimage.
bdimage (1)             - module to generate rasterfile for input to xsd
bdmute (1)              - module to do record variable muting of seismic data
bdnmo (1)               - module to apply/remove t(x,v) nmo correction
bdstat (1)              - module to do statistical analysis over window of seismic data
becky (1)               - find the time across each seismic lobe. Save as a square wave
bethe2d (1)             - Markov Random Field texture segmentation
binstk (1)              - stack within cdp bins
binxys (1)              - write common midpoint XYs into 3D stacked data
bkgrnd (1)              - compute and apply very low frequency gain correc- tion to trace data
bkgrnd (1)              - compute and apply very low frequency gain correction to trace data
bldflt (1)              - program to build and display flat or dipping layer mxc formatted files.
bornusp (1)             - Born 2-d post stack V(z) or V(t) migration
bridge (1)              - Convert seismic data between formats (usp, segy, disco, and cube), using DDS (Data Dictionary System).
brightsizing (1)        - Resizes results of texture analysis to their original size
c2p6 (1)                - calculation of coherency, dip and azimuth on 3d post stack time or depth migrated data, using a semblance algo- rithm.
c2p6 (1)                - calculation of coherency, dip and azimuth on 3d post stack time or depth migrated data, using a semblance algorithm.
c2p7 (1)                - calculation of coherency, dip and azimuth on 3d post stack time or depth migrated data, using a semblance algo- rithm.
c2p7 (1)                - calculation of coherency, dip and azimuth on 3d post stack time or depth migrated data, using a semblance algorithm.
c2s (1)                 - convert from Cray 64-bit seismic data to IEEE 32-bit data (Cray only)
c3p5 (1)                - calculation of c3p5 coherency, dip and azimuth on 3d post stack time or depth migrated data.
c3p6 (1)                - principal component estimate of coherency along user supplied apparent dip directions.
c3p7 (1)                - principal component estimate of coherency along user supplied apparent dip directions.
c4 (1)                  - running window principle component analysis of 3D data.
c5 (1)                  - calculation of coherency, reflector dips, reflector curvature, reflector amplitude, reflector amplitude gradient and reflector amplitude 2nd derivative on 3-D seismic data cubes using a MUltiscale SIgnal Classification (MUSIC) algo- rithm.
c5 (1)                  - calculation of coherency, reflector dips, reflector curvature, reflector amplitude, reflector amplitude gradient and reflector amplitude 2nd derivative on 3-D seismic data cubes using a MUltiscale SIgnal Classification (MUSIC) algorithm.
ccpbin (1)              - a module to calculate converted-wave bin numbers. Inline bin numbers are written into the USP trace header CDPBCX. Crossline bin numbers are written into the USP trace header CDPBCY. The traces can then be reordered using stan- dard USP sorting utilities.
ccpbin (1)              - a module to calculate converted-wave bin numbers. Inline bin numbers are written into the USP trace header CDPBCX. Crossline bin numbers are written into the USP trace header CDPBCY. The traces can then be reordered using standard USP sorting utilities.
ccpstk (1)              - a module to stack converted-wave data.
cdpstat (1)             - module to aportion input source & receivers stat- ics to output surface statics (applied before moveout), and output cdp statics (applied after stack).
cdpstat (1)             - module to aportion input source & receivers statics to output surface statics (applied before moveout), and output cdp statics (applied after stack).
cdpstk3d (1)            - marine or quickie NMO and CDP stack
cdpvel3d (1)            - 3D pre-stack binned cdp gathers
chimu (1)               - module to compute and graph the amplitude and phase responses of a specified portion of a seismic data trace.
clean (1)               - clean up data: ie. zero, resurrect, create dead traces, check for bad IEEE data values or those out of a specified range, perform smoothing, etc.
clean_green (1)         - correct erroneous "green" words in a USP dataset.
clust3d (1)             - Modified K-means Algorithm
clust3dm (1)            - Modified K-means Algorithm with Masking capabil- ities
clust3dm (1)            - Modified K-means Algorithm with Masking capabilities
cmcube2dds (1)          - Create DDS dataset from a Connection Machine cube
cmdwatch (1)            - terminal monitor of output from a command
cogeom2d (1)            - Extracts coherency data for use in texture analysis
combine2d (1)           - Combines multiple disparity files for texture analysis
comment (1)             - adds up to 100 comment lines to the historical line header.
compsort (1)            - output sorted traces (elastic processing)
corners (1)             - given the overall survey corner XYs compute (1) the bin center XYs for a rectangle defined by LIs & DIs and (2) the corner XYs for a 1/2-bin fringe around the input box; also checks for proper survey parallogram
correl3d (1)            - running window cross correlation of stacked 2D or 3D data.
cotaper (1)             - apply tapers to seismic data to improve the appearance of common offset migration sections.
counter (1)             - module to count records and traces. Ideal for piping long flows and keeping track of the data.
cram (1)                - module to do multi - volume read/write of UNIX files.
cross (1)               - crosscorrelation/convolution seismic traces
cross2d (1)             - 2D crosscorrelation/convolution seismic records
ctfx (1)                - module to filter traces (Cray 2)
cvd (1)                 - Converted Wave Velocity Display and Analysis Tool An X/Motif Interactive Graphical Interface for Converted Wave Velocity Analysis
cvmig (1)               - constant velocity Kirchhoff migration
cvmod (1)               - constant velocity Kirchhoff modeling
dafd (1)                - do true amplitude frequency equalization
dafd2d (1)              - whiten 2D amplitude (in Kx-Ky) spectrum of time slices from program fftxy
datumt3 (1)             - Module for extrapolating wavefields down(up) in the pre-stack domain
datumt5 (1)             - Kirchhoff wavefield extrapolation (down or up)
davc (1)                - apply an automatic gain control to trace data
davc2d (1)              - 1 pass 2D agc
dbvec (1)               - build 3D database for use in retrieving inlines and crosslines in an efficient and expedient manner.
dcray (1)               - performs seismic ray trace modeling in horizontally layered isotropic, earth
dctvf (1)               - module to do dafd frequency equalization (Cray 2)
decon3d (1)             - 3D surface consistent (time varying) decon: second pass (1) - compute and apply filters
DECONV (1)              - module to perform time-variant or time-invariant predictive deconvolution on seismic traces
detmute (1)             - module to determine onset and offset of data and place these times in header.
devb (1)                - read blocked ibm data (disk/tape)
devb3480 (1)            - read blocked ibm 3480 MVS tapes/disk files
dft (1)                 - module to compute amplitude and phase spectra by discrete Fourier Transform and perform the inverse transform.
dghost (1)              - apply deghosting operation to seismic traces
diffr (1)               - differentiate (integrate) trace data
dipf (1)                - perform dip (velocity) filtering using optimum mul- tichannel Wiener design
dipf (1)                - perform dip (velocity) filtering using optimum multichannel Wiener design
dipfk (1)               - fan filter (velocity driven) output of fft2da or fftxy
dipnmo (1)              - module to apply/remove normal moveout correction with dip
disort (1)              - sort, range limit, fix trace order according to trace distances, bin
disparity2d (1)         - Computes disparity between neighboring label sites
dmo (1)                 - module to do dmo
dmoamp (1)              - true amplitude dmo (and dmo stack)
dmoangst3d (1)          - 3D angle stack
dmofast (1)             - do log-stretch dmo on nmo corrected common offset data
dmofx (1)               - do log-stretch fx-dmo on nmo corrected data
dmostk3d (1)            - true amplitude 3D dmo stack
dmovel3d (1)            - true amplitude 3D pre-stack dmo CDP gathers
dmovz (1)               - common offset (nmo-corrected) depth variable-v(t)- dmo
downsum (1)             - module to do downsum Frequency Determination Panel
draw (1)                - program to display mxc formatted files.
dslice, qdslice (1)     - build a new dataset consisting of requested data slices from an input dataset or a complete transpose of the entire dataset.
dspec8 (1)              - set up data file for the programs hspec9 and hspecp (hspecX)
dwt2d (1)               - discrete wavelet transform two dimensional. Per- forms a forward or reverse 2 dimensional wavelet transform to any level using one of a selection of wavelet basis func- tions.
dwt2d (1)               - discrete wavelet transform two dimensional. Performs a forward or reverse 2 dimensional wavelet transform to any level using one of a selection of wavelet basis functions.
edge3d (1)              - 3D running window edge enhancement.
edit3d (1)              - reads a 3D database file created by program dbvec, and retrieves desired data from the original input dataset(s). This selected data is written to an output dataset, or piped into another program.
editt (1)               - edit off selected portions of a data set
edlut (1)               - edit color look up table (colormap).
eign (1)                - module used to suppress coherent noise from seismic data using covariance analysis of the noise and eigendecom- position.
eign (1)                - module used to suppress coherent noise from seismic data using covariance analysis of the noise and eigendecomposition.
embed (1)               - module to embed records in zero traces
endfire (1)             - module to resort split spread into single enders
enlarge (1)             - Enlarge the number of traces of the input file by duplicating the left and right most traces.
envelop (1)             - module to compute envelop traces
equaldx (1)             - Trace spacing regularization through interpola- tion
equaldx (1)             - Trace spacing regularization through interpolation
ergv (1)                - uses least squares to predict angle limited stacks and computes an enhanced measure of apparent gradient.
farr (1)                - build a farr-type display using input GI data
fdslice (1)             - retrieve requested data slices from or transpose a complete dataset.
feray (1)               - ray tracing and gradient calculation through a fin- ite element mesh.
feray (1)               - ray tracing and gradient calculation through a finite element mesh.
fermat (1)              - model common offset two way traveltime events corresponding to picked MBS common offset depth images.
fft2d (1)               - forward/reverse 2-d fast fourier transform
fft2da (1)              - forward/reverse 2-d fast fourier transform (amplitude/phase version)
fft3da (1)              - module to provide 3D Fourier Transform amplitude and phase volume indexed in Kx, Ky and Omega
fftar (1)               - High-resolution F-K spectral analysis of seismic gathers
fftpack (1)             - module to do 1D FFT of input data and ouput packed FFT format suitable for input [after slicing] to vfilt3d .
fftxy (1)               - forward/reverse 2-d (X-Y) fast fourier transform (amplitude/phase version) for time slice data
filt (1)                - filter traces and decimate samples
fitter (1)              - fit functions to seismic data
fk (1)                  - forward/reverse 2-d fk transform for irregularly sam- pled data.
fk (1)                  - forward/reverse 2-d fk transform for irregularly sampled data.
fkkstrip (1)            - spatial filtering and edge detection of timeslice data
fkmod (1)               - computes seismograms for 1D elastic model via reflectivity method
fkrad (1)               - module to produce a log-normalized radial power spectrum from an input 2D FFT dataset.
fkshape (1)             - module to apply user defined radial spatial fre- quency shaping filter to 2D FFT dataset.
fkshape (1)             - module to apply user defined radial spatial frequency shaping filter to 2D FFT dataset.
fkstrip (1)             - attenuate/enhance flat events
flatten (1)             - put iso-time pick times from xsd into trace headers
flatter (1)             - flatter uses a picked horizon as from lm3dhrztosis to flatten traces, enhanced by crosscorrelation with a pilot built from surrounding traces.
flowmaker (1)           - Graphical user interface to help create coherency jobs.
fluirep (1)             - module to perform Biot-Gassmann consistent fluid replacement modelling on well log data.
flute (1)               - Filter an old oper color lookup table for oper 28 and write to stdout.
fradonf (1)             - generalized Discrete Radon Transform from (t,x) to $( tau ,p)$, $ ( omega ,p)$ space.
fradonf (1)             - generalized Discrete Radon Transform from (t,x) to (t,p), (w,p) space.
fradonr (1)             - generalized discrete fradon inverse transform from (tau,p) to (t,x) domain.
freqtim (1)             - inverse fast fourier transform
frmmult (1)             - generalized radon noise/multiple removal and data interpolation program utilizing unequal spaced fft logic for speed.
fxbl (1)                - perform time variant spatial balancing of amplitude spectra
fxdecon (1)             - do fx-domain deconvolution on seismic traces
gasp (1)                - apply general amplitude scaling to trace data
gather (1)              - combine n data sets into one according to 3 schemes
gazdag (1)              - phase shift 2-d post stack V(z) or V(t) migration
genfu (1)               - module to apply input filter to seismic data
gentrp (1)              - interpolate data to arbitrary sample interval
getamp (1)              - get amplitudes from seismic traces
gethor (1)              - defines an arbitrary datum level (for use with pro- gram datum)
gethor (1)              - defines an arbitrary datum level (for use with program datum)
getrace (1)             - module to extract a single item from the trace header of seismic trace data or extract the trace data
getval (1)              - get values from USP line or trace headers
gexp (1)                - exponentiate seismic amplitudes
gli2disco (1)           - converts output of GLI3D to a DISCO file suit- able for HEADPUT.
gli2disco (1)           - converts output of GLI3D to a DISCO file suitable for HEADPUT.
gli2mxc (1)             - converts output of GLI3D to both MXC AND VTAP format.
GLIDISCO (1)            - converts a gli3d report file to a disco input file.
glitches (1)            - remove glitches from seismic data
gqhorizon (1)           - module to load GeoQuest ASCII horizon files to USP headers.
gridr (1)               - interpolation/extrapolation of seismic data using a grid reduction algorithm based on a surface coordinate sys- tem. Good way to generate a 3D volume from a 2D dataset. May also be used to interpolate trace header information.
gridr (1)               - interpolation/extrapolation of seismic data using a grid reduction algorithm based on a surface coordinate system. Good way to generate a 3D volume from a 2D dataset. May also be used to interpolate trace header information.
grot (1)                - apply global rotation to 2-component seismic data
groupv (1)              - module to perform multiple filter analysis of each trace
gzip, gunzip, zcat (1)  - compress or expand files
hdr2vghrz (1)           - create voxel geo horizon file from data stored in user defined entries in USP trace header with optional horizon colour and name assignment.
hdr2xsdpick (1)         - create xsd pickfile segments from user defined entries in USP trace header with optional horizon colour assignment.
hdrstrip (1)            - save trace header info from one data set to a second output dataset and optionally pass the original dataset unchanged.
hdrswap (1)             - transfer trace header info from one data set to another
hilb (1)                - module to compute hilbert transform
hlhclean (1)            - removes long path names at the start of all his- torical line header entries
hlhclean (1)            - removes long path names at the start of all historical line header entries
hlsplot (1)             - map one, two or three input files to a single output file using an HLS color scheme.
holdif (1)              - replace corresponding data on ntap1 with that on ntap2.
horpred (1)             - do predictive deconvolution on seismic traces driven by trace header times
horvel (1)              - automatic horizon velocity picking/editting with velocity tape output
horvel3d (1)            - 3D automatic horizon velocity picking
horzn_limit (1)         - read workstation event file and output only those entries within input survey limits
hspec8 (1)              - evaluate elastic F(f,k) based on data output of dspec8
hspec9 (1)              - evaluate elastic F(f,r) based on data output of dspec8
hspec91 (1)             - evaluate F(f,r) for 16 Green's functions
hspec91p (1)            - evaluate F(f,p) for plane wave (tau-p) elastic modeling
hspecp (1)              - evaluate F(f,p) plane wave response for the elas- tic case
hspecp (1)              - evaluate F(f,p) plane wave response for the elastic case
hspect (1)              - evaluate F(f,k) (acoustic) based on data output of dspec8
hurl (1)                - Headerword Unload with Robust Length (this is actu- ally a script)
hurl (1)                - Headerword Unload with Robust Length (this is actually a script)
i2s (1)                 - read ibm seismic data (disk/tape)
ich (1)                 - identification and characterization of seismic signal/noise.
ies2sis (1)             - IES to SIS seismic file conversion
ies3dtosis (1)          - IES 3D to SIS seismic file conversion
iesx3dhrztosis (1)      - Puts 3d IESX horizon values into the trace header of an SIS dataset.
iesx3dtosis (1)         - Extract 3d IESX volume and horizons into an SIS dataset.
ikp (1)                 - icon processing system
ikp_cat (1)             - icon processing system cat implementation
ikp_tee (1)             - icon processing system tee implementation
ilch1 (1)               - 1-D Local Cosine - Uniform Bin Width Quantization - Huffman Coding Decompression
ilch2 (1)               - Local Cosine - Uniform Bin Width Quantization - Huffman Coding Decompression
imbed (1)               - imbed input file 2 inside input file 1 starting from sample ss, trace ns and record rs.
index (1)               - does simple indexing of data
instfr (1)              - module to compute instantaneous frequency/polarity
instphz (1)             - compute instantaneous phase
instpl (1)              - module to compute instantaneous frequency/polarization
insult (1)              - poor man's AVO
intdg (1)               - module for integrating trace data
interpl (1)             - replaced by generalized interpolator gentrp
iwh2 (1)                - Wavelet - Uniform Bin Width Quantization - Huffman Coding Decompression
iwvh2 (1)               - Wavelet - Variance Quantization - Huffman Coding Decompression
kfilt (1)               - resample, filter and phase shift data for prestack Kirchhoff depth migration.
killtr (1)              - kill (or reverse polarity) traces
killum (1)              - generate depth illumination images corresponding to the 2-D prestack depth migration algorithm sammig.
klibr (1)               - apply a filter to the cube of common offset images
kmask (1)               - Apply an explicit mask (mute) to input common shot gathers corresponding the the implicit mute defined by the kray;sammig and tiray;sammig flows. This allows the inter- preter to see which components of the common shot gathers were actually migrated.
kmask (1)               - Apply an explicit mask (mute) to input common shot gathers corresponding the the implicit mute defined by the kray;sammig and tiray;sammig flows. This allows the interpreter to see which components of the common shot gathers were actually migrated.
kmcm [kmcmusp] (1)      - Kirchhoff Common Midpoint Poststack Depth Migration
kmod (1)                - perform Kirchhoff prestack modeling of seismic reflectivity defined on an irregular depth grid. This algo- rithm is the 'adjoint' algorithm to the Kirchhoff prestack depth migration algorithm sammig. This implies that you run this modelization program just by changing the input (-N) and output (-O) of the sammig run.
kmod (1)                - perform Kirchhoff prestack modeling of seismic reflectivity defined on an irregular depth grid. This algorithm is the 'adjoint' algorithm to the Kirchhoff prestack depth migration algorithm sammig. This implies that you run this modelization program just by changing the input (-N) and output (-O) of the sammig run.
kray (1)                - perform raytracing for Kirchhoff prestack depth migration on an irregular depth grid.
laip (1)                - writes descriptive data, along with static informa- tion, into the line and trace headers of SIS format datasets for trace processing. It can index the line, compute eleva- tion and weathering statics, store field history information and trace distances input by the user, and omit or invert traces. If indexing, the line layout must be defined rela- tive to an arbitrary (x,y) coordinate system.
laip (1)                - writes descriptive data, along with static information, into the line and trace headers of SIS format datasets for trace processing. It can index the line, compute elevation and weathering statics, store field history information and trace distances input by the user, and omit or invert traces. If indexing, the line layout must be defined relative to an arbitrary (x,y) coordinate system.
lch1 -1-D Local Cosine (1) - Uniform Bin Width Quantization - Huffman Coding Compression
lch2 (1)                - Local Cosine - Uniform Bin Width Quantization - Huff- man Coding Compression
lch2 (1)                - Local Cosine - Uniform Bin Width Quantization - Huffman Coding Compression
level (1)               - Elevation correction via upward wavefield extrapo- lation
level (1)               - Elevation correction via upward wavefield extrapolation
linear2 (1)             - Output linear combination of three input files: file_out = a*file_in1 + b*file_in2 + c*file_in3
li_di (1)               - given survey extent for each input trace compute LI & DI indexes and store in header, optionally limit output data, optionally, re-bin bin center XYs -OR- given LI,DI indexes, compute bincenter X,Y's; or, given X,Y's, compute LI,DI indexes.
LLATTRIB3D (1)          - module to calculate a variety of user selected seismic attributes on angle stacked data.
llxy (1)                - reads E and N coordinates, writes x,y coordinates for S and R, and maintains consistency between SrcSta and SrcLoc.
lm2sis (1)              - converts landmark seismic datasets to sis format
lmhorizon (1)           - module to load Landmark ASCII horizon files to USP headers.
lmpicks (1)             - stuff Landmark picks into SIS static word
lnorm (1)               - Calculate the norm of a file
logsmooth (1)           - module to do simple median filtering on log data
lsqinv (1)              - compute least squares inverse of trace data
lsqr (1)                - perform conjugate gradient least square inversion using iterative call to forward and adjoint forward modeling programs.
lsqrmig (1)             - preconditionned conjugate gradient of constrained least square migration using iterative call to Kirchoff for- ward modeling program kmod and kirchoff migration program sammig.
lsqrmig (1)             - preconditionned conjugate gradient of constrained least square migration using iterative call to Kirchoff forward modeling program kmod and kirchoff migration program sammig.
lsqrrad (1)             - perform conjugate gradient least square inversion of gamma curve radon transform using iterative calls to radgamma program.
lsub (1)                - adaptive leastsquares subtraction of two seismic datasets
maip (1)                - indexes marine lines and optionally performs several auxiliary functions (with, or independently of, indexing). These auxiliary functions include storing field history information, storing water depths, and storing trace dis- tances.
maip (1)                - indexes marine lines and optionally performs several auxiliary functions (with, or independently of, indexing). These auxiliary functions include storing field history information, storing water depths, and storing trace distances.
maip2 (1)               - indexes marine lines and optionally performs several auxiliary functions (with, or independently of, indexing). These auxiliary functions include storing field history information, storing water depths, and storing trace distances.
matchf (1)              - match filter removal of surface/dispersed waves
MAWS (1)                - Multiple Attenuation WorkStation
maxamp (1)              - compute maximum or average amplitudes within a sliding window
mbstool (1)             - program to aid in creating and editing velocity models for the MBS project
MCshell (1)             - Perform a set of USP commands repeatedly, once for each component of a multicomponent file
mctshift (1)            - module to perform a multi-component time-shift, as for a layer-stripping operation on split-shear reflection data. Accepts four input traces (xx,xy,yx,yy), and applies a user- specified delay to the yy trace (by default), and of dt/2 to the xy and yx traces.
mctsqueeze (1)          - module to perform a multi-component time- squeeze, as for a layer-stripping operation on split-shear reflection data. Accepts four input traces (xx,xy,yx,yy), and applies a trace-wise variable delay to the yy trace (by default), and of dt/2 to the xy and yx traces.
median3d (1)            - running window smoothing (median) of 3D data.
memsrt (1)              - module to output sorted traces using memory storage
mergn (1)               - combine n data sets into one according to 3 schemes
mespec (1)              - compute maximum entropy or fourier amplitude spec- tra
mespec (1)              - compute maximum entropy or fourier amplitude spectra
mgdiff (1)              - Motif-based graphical file difference browser
minent (1)              - module to do single channel minimum entropy decon- volution
minent (1)              - module to do single channel minimum entropy deconvolution
miror (1)               - module to pad records of data by mirroring real traces at the front and back of the records.
mixn (1)                - do simple mixing or median smoothing of samples on seismic traces
mixrec (1)              - do simple mixing on seismic records
mpeg_play (1)           - plays mpeg-1 encoded bitstreams using X11
mrgcube (1)             - merges and optionally transposes a cube of seismic data distributed over multiple files having a common file name stem.
mrgrad (1)              - merges a cube of CRP distributed over multiple files having a common file name stem.
mrgshot (1)             - sum a cube of seismic data distributed over multi- ple files having a common file name stem.
mrgshot (1)             - sum a cube of seismic data distributed over multiple files having a common file name stem.
mrhwvint (1)            - obtain F(f,r) from F(f,k) output from hspec8
mrhwvinta (1)           - obtain F(f,r) from F(f,k) output from hspec8
mto (1)                 - program to convert mxc formatted files to oper for- matted files.
mto (1)                 - program to convert mxc formatted files to oper formatted files.
multlay (1)             - generates primary and nth order multiple overlays in xsd or oper pick file format
mute (1)                - apply muting
mvstak (1)              - vertically operate (+,-,*,/) on traces from n data sets
myds (1)                - applies a suite of band-pass filters, optionally performs a time shift on each filtered trace, normalizes each resulting component to the model trace envelope, and sums the results to produce high-resolution seismic reflec- tion data without distorting amplitude relationships (i.e., for "true amplitude processing"). [The phase spectrum of each filtered version may optionally have a static shift applied before summing all the filtered, time-variant nor- malized versions.]
myds (1)                - applies a suite of band-pass filters, optionally performs a time shift on each filtered trace, normalizes each resulting component to the model trace envelope, and sums the results to produce high-resolution seismic reflection data without distorting amplitude relationships (i.e., for "true amplitude processing"). [The phase spectrum of each filtered version may optionally have a static shift applied before summing all the filtered, time- variant normalized versions.]
nanfix (1)              - identify and replace NaN's or kill traces with NaN's
navcheck (1)            - Navigation check of 3D seismic data and flag bad traces as dead.
navmerge (1)            - routine to merge raw marine seismic acquisition data with processed UKOOA_SEGP navigation data.
new_tvdnmo (1)          - module to apply/remove nmo correction with time-velocity/dip (CEPDemult)
nmorec (1)              - apply/remove t(x,v) nmo correction on entire record
notch (1)               - do notch filtering
npd (1)                 - Normalized Parameter Deviation Estimates
oper (1)                - operator interface for displaying Cray or Sun resident seismic data.
oper2sdf (1)            - Convert old oper format file to screendump format file
opstcv (1)              - resamples the constant Tp semblance traces output by program OPSTF into constant velocity traces for analysis
opstd (1)               - extracts the Tp scan and (optionally) the semblance data from output of opstf
OPSTDI (1)              - recombines the Tp scan data and the semblance data output by opstd into the multiplexed format expected by pro- grams opstk and opstr.
OPSTDI (1)              - recombines the Tp scan data and the semblance data output by opstd into the multiplexed format expected by programs opstk and opstr.
opstf (1)               - create forward optical Tp scans and semblance panels
opstk (1)               - extract the CDP stack and (optionally) the velocity field from the output from opstf
opstr (1)               - create inverse optical stack from the Tp scan data and the original input X-T data
otm (1)                 - program to convert oper formatted files to mxc for- matted files.
otm (1)                 - program to convert oper formatted files to mxc formatted files.
oto (1)                 - program to convert oper formatted files to mxc for- matted files.
oto (1)                 - program to convert oper formatted files to mxc formatted files.
pack3d (1)              - (un)pack 3D prestack into common DI and common LI data constant width records
pad (1)                 - pad (unpad) dead traces into USP ensembles (for 2D data); fix EOF short records
padrec (1)              - pad zero records into a data set
phzcor (1)              - compute and apply surface consistent phase correc- tions on CDP data
phzcor (1)              - compute and apply surface consistent phase corrections on CDP data
phzrot (1)              - rotate the phase of seismic data by constant amount
pick (1)                - Pick reflections
pick2wiggle (1)         - identification and characterization of seismic signal/noise.
picker (1)              - do auto-flattening/picking/phase rotating within a window centered on a specified time
picklay (1)             - module to do overlay of pick event on seismic data
pickusp (1)             - pick reflections (same as pick)
pik2dpf (1)             - module to convert OPER pik files to 1DIPF/2DIPF card set.
pnmo (1)                - apply/remove partial normal moveout correction
pol2 (1)                - 2-component ground roll filtering
pol3 (1)                - 3-component ground roll filtering
polymute (1)            - generalized polygonal mute with 2D tapers.
pomega (1)              - module to obtain p-omega plot of data set
postsort (1)            - organize/select components (elastic processing)
pr3d (1)                - 3D data geometry
pred (1)                - module to do predictive deconvolution on seismic traces
predecon3d (1)          - 3D surface consistent (time varying) decon: first pass (1) - compute autocorrelations
prepmig (1)             - read and analyze seismic trace headers in prepara- tion for prestack depth migration algorithm sammig.
prepmig (1)             - read and analyze seismic trace headers in preparation for prestack depth migration algorithm sammig.
prepmod (1)             - is a preparation for prestack modelization algo- rithm kmod.
prepmod (1)             - is a preparation for prestack modelization algorithm kmod.
prepr3d (1)             - module to do dark and terrible things to seismic data
presort (1)             - compute sort tables
presort3d (1)           - compute sort tables for 3D data sets
presortc (1)            - compute sort tables (elastic processing)
prgm (1)                - module to do dark and terrible things to seismic data
princ3d (1)             - running window principle component analysis of 3D data.
princomp (1)            - noise analysis/reduction using principal com- ponents
princomp (1)            - noise analysis/reduction using principal components
psdm (1)                - module to stretch and squeeze seismic data based on a pick file model
psdm3d (1)              - module to stretch and squeeze seismic data based on a (horizon,datum) model.
psnmo (1)               - performs non-hyperbolic NMO for P-S converted wave data.
pstack (1)              - module to do stacking of input records with selec- tive header value processing for the output stacked trace. Stacking using phase vector summation is available. Gathers are stacked into a single trace in memory making the stack- ing of very large gathers possible.
pstack (1)              - module to do stacking of input records with selective header value processing for the output stacked trace. Stacking using phase vector summation is available. Gathers are stacked into a single trace in memory making the stacking of very large gathers possible.
psvspec (1)             - Construct Vs/Vp spectra for P-S converted wave data.
putheader (1)           - Take headers of input file 1 and values of input file 2 to create the output. The two input files need thus to have the same dimensions.
putsis (1)              - dump numbers into sis trace format
putval (1)              - module to calculate maximum absolute value, average and rms values for each trace and write the floating point value into user defined header words. Also calculate the same values on a job constant basis and write the values into the line header words: MaxAmp, AvgAmp, RmsAmp. Data must reside on disk and cannot be piped from a device.
putzero (1)             - Output zero value file with dimension and header information of input file.
qavbu (quantitative amplitude versus bandwidth) (1) - module to evaluate changes in amplitude as a function of temporal bandwidth for interpretation of vertical stratigraphic sequences and lithology.
qc (1)                  - build a qc-type display using input GI data.
qdchop (1)              - module to apply quadrant chop dip filter
qest (1)                - perform Q estimation on seismic traces
qifl (1)                - do forward Q modeling or inverse Q filtering
qnmo (1)                - apply/remove moveout correction using the quartic moveout equation
rad2slnt (1)            - resample constant ray parameter records (radonf) to constant angle records (slnt) (or reverse)
radgamma (1)            - radon transform and reverse radon transform using "gamma curve"
radon3d (1)             - filter and interpolate 3D common offset or stacked data using a 3d (t,p,q) discrete Radon transform.
radon3d (1)             - filter and interpolate 3D common offset or stacked data using a 3d @ ( tau ,p,q)@ discrete Radon transform.
radonf (1)              - generalized Discrete Radon Transform from (t,x) to $( tau ,p)$, $ ( omega ,p)$ or $ ( omega ,k) $ space.
radonf (1)              - generalized Discrete Radon Transform from (t,x) to (t,p), (w,p) or (w,k) space.
radonr (1)              - generalized discrete radon inverse transform from (tau,p) to (t,x) domain.
rambo (1)               - script to search and destroy jobs hiding on the network
ramp (1)                - apply a linear or cosine ramp function to a record
rand (1)                - module to compute random noise and/or trace statics
randomgraph2d (1)       - Construct a random neighborhood system for texture analysis
ratdecon (1)            - module to do polynomial deconvolution of seismic trace data
ravn (1)                - apply spatially and temporally variant amplitude scaling.
ravn3dr (1)             - apply spatially and temporally variant amplitude scaling.
ravnold (1)             - apply record constant gain curve
rays2sis (1)            - convert a dictionary format rayfan file to an sis format rayfan file.
razbin (1)              - module to do radial, azimuthal binning of 3D pre- stack seismic data.
rearrange (1)           - rearrange data set so all trace 1's are in one record, all trace 2's, etc
rec2pol (1)             - module to convert between rectangular and polar coordinate system
recast (1)              - Enlarge the input file by assigning a constant value to the added samples.
recshift (1)            - insert record constant time shifts to trace header with interpolation between control points. Input con- trol via flat file, xsd pick file, xsd header value at pick file. Use rest to do the shift operation.
recshift (1)            - insert record constant time shifts to trace header with interpolation between control points. Input control via flat file, xsd pick file, xsd header value at pick file. Use rest to do the shift operation.
reduce (1)              - reduce usp formatted data by a tracewise best fit linear regression and optionally plot a map of estimated intercepts and slopes.
regl (1)                - module to build a REGional seismic Line from seismic line segments
replace (1)             - replace, detect,do math, set a velocity gradient, apend or insert a function, set a max/min value and swap values on a range of samples in selected records/traces with a user specified value or from a pair of headerwords. These functions may useful for any type of USP formatted dataset.
rept (1)                - duplicate record(s) or portions of records
resorter (1)            - resort on the fly between records & traces
resortm (1)             - resort disk to disk between records & traces with user memory control
rest (1)                - apply/remove trace statics, phase rotations, or scale factors from trace header word
revtr (1)               - reverse trace order in a record and/or flip traces
rhfoc (1)               - x-t elastic offset seismograms in SIS/USP format
rhwvint (1)             - obtain F(f,r) from F(f,k) output from hspec8 and hspect
rhwvinta (1)            - obtain F(f,r) from F(f,k) output from hspec8 and hspect
rltt (1)                - module to perform Linear Transform Technique to mul- ticomponent shear data.
rltt (1)                - module to perform Linear Transform Technique to multicomponent shear data.
rmmult (1)              - generalized radon noise/multiple removal and data interpolation program
rmmult.net (1)          - an IKP net to run Radon transform decon on mul- tiple workstations
rmmult.net (1)          - an IKP net to run Radon transform decon on multiple workstations
rmo (1)                 - residual automatic moveout correction
rnmo (1)                - apply/remove residual normal moveout correction
rnmospec (1)            - semblance scan for residual moveout
rnum (1)                - do simple renumbering of selected trace header words
road_kill (1)           - Robust Objective Amplitude Deviation Kill pro- gram. This module is designed for amplitude editing and quality control via a robust statistical nonstationary, time and space analysis. The module will either flag traces as dead or repair necessary windows with interpolation/extrapolation or zero the bad window.
road_kill (1)           - Robust Objective Amplitude Deviation Kill program. This module is designed for amplitude editing and quality control via a robust statistical nonstationary, time and space analysis. The module will either flag traces as dead or repair necessary windows with interpolation/extrapolation or zero the bad window.
rost (1)                - module to stack traces in each input record to form one output trace using one of several nonlinear stacking algorithms
rotate (1)              - module to perform coordinate rotation on two data sets.
rottnsr (1)             - module to rotate a tensor of multiple- source/multiple-component (MS/MR) data (2s X 2r) about the third axis. Used to re-orient VSP data, and also to find the "principal time series" for split shear waves in aniso- tropic media.
rottnsr (1)             - module to rotate a tensor of multiple- source/multiple-component (MS/MR) data (2s X 2r) about the third axis. Used to re-orient VSP data, and also to find the "principal time series" for split shear waves in anisotropic media.
rotvctr (1)             - module to rotate a vector of multicomponent data (1s X 2r) about the third axis. Used to re-orient VSP data, and also to find the "principal time series" for split shear waves in anisotropic media.
rotzs1 (1)              - module to rotate multicomponent data (1s X 2r) about the third axis. Usually, the data are the horizontal components, and the rotation is about the z-axis.
rotzs2 (1)              - module to rotate multicomponent data (2s X 2r) about the third axis. Usually, the data are the horizontal components, and the rotation is about the z-axis.
rsamp (1)               - Aritrary decimation or interpolation
rsort (1)               - randomly sorting and/or unsorting traces
rstak (1)               - vertically stack groups of records
rstak3d (1)             - vertically stack groups of 3D records either in in-line or cross-line direction
rstatic (1)             - compute and apply delay time residual statics corrections
rwdft (1)               - Spectral decomposition of a single or multiple fre- quencies via running window discrete Fourier transform.
rwdft (1)               - Spectral decomposition of a single or multiple frequencies via running window discrete Fourier transform.
rwindow (1)             - generate running analysis windows of a stacked data set.
rwspec (1)              - Spectral decomposition of a single or multiple frequencies or periods via running window analysis.
s2c (1)                 - convert from IEEE 32-bit seismic data to Cray 64-bit data (Cray only)
s2dsp (1)               - module to compute 2-d (f-k) amplitude spectra
sammerge (1)            - merges and sorts n common reflection point (crp) data files into a single common offset data file.
sammig (1)              - perform Kirchhoff prestack depth migration on an irregular depth grid.
sammig.net (1)          - an IKP net to run the 2-D prestack Kirchhoff shot migration flow
sampleman (1)           - learn how to write manual pages
samps (1)               - module to compute amplitude/phase spectra
sc3d (1)                - Compute static corrections for 3-D seismic data.
scale (1)               - globally scale / reciprocate a data set
scan (1)                - module to scan traces
scanvol (1)             - Univariate statistical analysis of amplitudes in 3D volumes prior to 8 bit voxel conversion and interpreta- tion.
scanvol (1)             - Univariate statistical analysis of amplitudes in 3D volumes prior to 8 bit voxel conversion and interpretation.
scope3d (1)             - compute 3D volume of attributes under horizon con- trol for prestack or poststack data
scope3d (1)             - compute 3D volume of attributes under horizon control for prestack or poststack data
scor (1)                - Compute/apply static corrections
scorusp (1)             - Compute/apply static corrections (same as scor)
scspec (1)              - Scaling routine for use with spectral decomposition (spec).
sctvf (1)               - filter traces using Ormsby (trapezoidal) filters
sdplot (1)              - Make hardcopy plots of screendump format files
sdplotter (1)           - Create unirast raster file from screendump for- mat file
sdplotter (1)           - Create unirast raster file from screendump format file
se (1)                  - program to edit mxc formatted files and construct input models for ( FD / MBS / HWEM ), etc.
segy2sis (1)            - module to convert seismic data from SEG-Y to USP format.
seltrc (1)              - select traces based on trace header words and an input value
sempik (1)              - semblance auto-picker
sft (1)                 - Spectral decomposition of a single frequency via sliding window analysis.
shape2 (1)              - shape records to selected portion of a trace
shave (1)               - routine to perform adjacent shot averaging to replace shot independant coherent noise such as would occur with another seismic source detonating during recording. The replacement is done by averaging adjacent shot records over a zone of common subsurface coverage.
sinterp (1)             - amplitude editting
sis2lm (1)              - converts sis seismic datasets to landmark format
sis2segy (1)            - module to convert seismic data from USP to SEG-Y format.
sis2vox (1)             - converts sis data to voxels.
sisort (1)              - module to output sorted traces
sisort3d (1)            - output sorted traces from indexed 3D data set
sissb (1)               - read ibm unblocked tape (used with i2s)
sistoiesx3d (1)         - Load a 3d USP dataset into IESX.
sis_verify (1)          - print vital signs for a USP dataset (including "green" words).
sis_xy (1)              - turn usp format trace data into x-y pairs (or the reverse)
skill (1)               - amplitude editting
SLDK (1)                - module to compute forward and inverse dip-dependent stack along user-defined dips with optional predictive deconvolution and/or dip filtering.
slicetrp (1)            - take time slices (or seismic records) and interpolate interior dead cells
slstkf (1)              - forward tau-p tansform on seismic records
slstkr (1)              - reverse tau-p tranform seismic records
slvr (1)                - build 2D and 3D velocity data sets under horizon control
smac1d (1)              - prestack surface-related multiple prediction for 1D subsurface
smac2d (1)              - prestack surface-related multiple prediction for 2D subsurface
smedian (1)             - Spatial median/mean smoothing
smooth (1)              - module to do fft smoothing of input data.
smoothvol (1)           - volumetric edge enhancement or smoothing of time slice data
smute (1)               - apply a windowed surgical mute with cosine taper
solid (1)               - module to generate exact full elastic reflectivity 2-D synthetic seismograms for a layer-cake model.
spacetrp (1)            - spactially interpolate data to arbitrary group interval
spawn (1)               - is a job spawner.
spawn2 (1)              - spawns the same job across multiple processors.
SPBL (1)                - module to perform spatial balancing of amplitude spectra
spec (1)                - module to perform spectral decomposition of input time data into descrete amplitude or phase spectra by either a descrete Fourier transform or Maximum Entropy Method.
SPECAL (1)              - module to perform SPECtral AnaLysis on seismic data.
spike (1)               - module to compute simple synthetic traces
spike3d (1)             - module to compute 3d synthetic surfaces, plane, hyperboloid or cone.
splitr (1)              - split up combined data set into separate streams
splits (1)              - split up combined data set into separate sets
square (1)              - convert data to square waves
sr3d1 (1)               - build 3D bin sort table for survey area subset or traverse across survey area
sr3d2 (1)               - 3D binning, bin sort using inline, crossline or ser- pentine trajectory over survey area or subset of survey area.
sr3d2 (1)               - 3D binning, bin sort using inline, crossline or serpentine trajectory over survey area or subset of survey area.
ssamcor (1)             - running window cross correlation of stacked 2D or 3D data.
stack (1)               - stack selected traces in selected records
stack3d (1)             - stack 3d data having variable length (trcs/rec) records
stackc (1)              - module to stack data (elastic processing)
stacklay (1)            - module to do overlay of pick event on seismic data
startjob (1)            - start a job runstream defined by the user
stat3d (1)              - running window smoothing (arithmetic mean) of 3D data.
stel (1)                - module to stabilize seismic traces by reducing varia- tion in the amplitude spectrum caused by line-spectral noise.
stel (1)                - module to stabilize seismic traces by reducing variation in the amplitude spectrum caused by line-spectral noise.
stft (1)                - routine to provide a time - frequency representation of input seismic data using a short time Fourier Transform technique. This approach allows the input data to be resolved in terms of not just frequency and amplitude, but frequency, amplitude, time and space.
stolt (1)               - do v(t) phase shift or constant velocity Stolt-type migration
store (1)               - write surface consistent static values to the header
storeit (1)             - stores shot and receiver statics in trace headers; using the -amp option, stores amplitude correction scalars into a specified trace header word.
stratslab (1)           - Extract a stratigraphic slab of data bracketing a picked horizon or formation. stratslab [ -Nfile_in ] [ -Ofile_out ] [ -tmaxtmax ] [ -tdatumtdatum ] [ -ttaperttaper ] [ -uhuh ] [ -lhlh ] [ -uwuw ] [ -lwlw ] [ -startrecstar- trec [ -endrecendrec [ -starttracestarttrace [ -endtra- ceendtrace [ -L ] [ -U ] [ -V ] [ -? ]
stratslab (1)           - Extract a stratigraphic slab of data bracketing a picked horizon or formation. stratslab [ -Nfile_in ] [ -Ofile_out ] [ -tmaxtmax ] [ -tdatumtdatum ] [ -ttaperttaper ] [ -uhuh ] [ -lhlh ] [ -uwuw ] [ -lwlw ] [ -startrecstartrec [ -endrecendrec [ -starttracestarttrace [ -endtraceendtrace [ -L ] [ -U ] [ -V ] [ -? ]
stretch (1)             - do forward/inverse generalized stretch/squeezing of seismic traces
sunform (1)             - module to generate blank hybrid tweak list
sunhybrd (1)            - module to construct hybrid 'tvd' function for input to 'tvdin'
sunhybrid (1)           - module to construct CEP Demult hybrid (time, velocity, depth) TVD tweak function for input to tvdin
sunlay (1)              - module to generate overlays of primary events in oper pic file format.
surface (1)             - converts output of GLI3D to an XSD pick file.
swak (1)                - Statistical Wavelet Amplitude Kalculation.
swath_design (1)        - a routine to aid in the design of corner coordinates required when processing large 3D data volumes in more than a single swath.
swdrt (1)               - generalized Semblance Weighted Discrete Radon Transform from (t,x) to $( tau ,p)$ and (with -R option) from $( tau ,p)$ to (t,x) space.
swdrt (1)               - generalized Semblance Weighted Discrete Radon Transform from (t,x) to (t,p) and (with -R option) from (t,p) to (t,x) space.
swfilt3d (1)            - 3D running window semblance weighted dip filter- ing.
swfilt3d (1)            - 3D running window semblance weighted dip filtering.
synth (1)               - compute 1-d synthetic seismograms
taper (1)               - apply a simple but trace header word driven spatial taper to a seismic line.
taumute (1)             - module to apply muting to tau-p traces
taupf (1)               - do forward tau-p tansform on seismic records
taupnmo (1)             - apply/remove normal moveout correction to plane wave traces
taupr (1)               - module to reverse tau-p tranform seismic records
taupred (1)             - do predictive deconvolution on tau-p traces
taupsamp (1)            - stretch NMO corrected tau-p records to constant angle traces
taupspec (1)            - module to obtain time and rms velocity plot of taup data set
tdfnview (1)            - module to convert from a tdfn format to an xsd format such that the xsd file can be plotted with XSD show- ing the specific location of each pick. This is intended to show the velocity picks of a tdfn file on a stack of data for analysis. This module will also convert from a flat file format. Note, this module will NOT convert a tdfn format to xsd format for standard use.
tdfnview (1)            - module to convert from a tdfn format to an xsd format such that the xsd file can be plotted with XSD showing the specific location of each pick. This is intended to show the velocity picks of a tdfn file on a stack of data for analysis. This module will also convert from a flat file format. Note, this module will NOT convert a tdfn format to xsd format for standard use.
tease (1)               - TEsting the Amplitudes of SEismic, (David Tett gets credit for the name)
terptime (1)            - module to perform time domain interpolation on input seismic trace data
texstat2d (1)           - 2D texture statistics
texture2d (1)           - texture analysis on one or more slices of data
tfskill (1)             - module to perform automatic trace / sample edit- ting based on time (1) - frequency spectral attributes.
tfskill (1)             - module to perform automatic trace / sample editting based on time (1) - frequency spectral attributes.
thread (1)              - module to filter [Kx,Ky] acquisition footprint noise threads from 3D Fourier Transformed data.
tim2hed3d (1)           - read workstation event file and stuff times or depths into trace headers based on XYs
timfreq (1)             - forward fast fourier transform
tiray (1)               - perform raytracing for Kirchhoff prestack depth migration on a regular grid of transversely isotropic media.
toast (1)               - Terminate Objectionable Amplitudes with Spacial Temerity (Dee Dee Ragusa) or Toss Out All the Stupid Traces (Marilyn Miller). This module is designed for amplitude editing and quality control via a robust statistical nonsta- tionary, time and space analysis. This program was designed to find and flag data with spacially consecutive noise bursting (road_kill will not handle this problem). The module will flag traces as dead (StaCor=30000) and zero the trace if requested.
toast (1)               - Terminate Objectionable Amplitudes with Spacial Temerity (Dee Dee Ragusa) or Toss Out All the Stupid Traces (Marilyn Miller). This module is designed for amplitude editing and quality control via a robust statistical nonstationary, time and space analysis. This program was designed to find and flag data with spacially consecutive noise bursting (road_kill will not handle this problem). The module will flag traces as dead (StaCor=30000) and zero the trace if requested.
tpfoc (1)               - tau-p elastic plane wave seismograms in SIS/USP format
TPLTR (1)               - USP seismic trace plotting utility
tpstack (1)             - module to do a forward tp or hyperbolic stack of seismic data
tpstackr (1)            - module to do a reverse tp or hyperbolic stack of seismic data
transp (1)              - module to transpose a seismic record
trched (1)              - module to list/manipulate SIS trace headers
trstat (1)              - may be used to generate a set of quality control xgraph format files containing statistical information on trace amplitude, frequency, decay and character useful in automatically rejecting bad traces in a large [3D] dataset.
tstretch (1)            - map or stretch data lying on a fixed but irregu- lar depth grid to a equally sampled time grid.
tstretch (1)            - map or stretch data lying on a fixed but irregular depth grid to a equally sampled time grid.
ttothen (1)             - apply t-to-the-n gain or exponential gain curve or V**2 (1) - t scaling
tune3d (1)              - The 3-D seismic tuning cube.
tvd (1)                 - module to compute [time, velocity, dip] tweak func- tions using an input XSD pickfile model of structure and an input TDFN velocity model. These functions are used by pro- gram tvdin and tvdnmo to apply the calculated tweak to the data in the CEP Demult process.
tvd (1)                 - module to compute [time, velocity, dip] tweak functions using an input XSD pickfile model of structure and an input TDFN velocity model. These functions are used by program tvdin and tvdnmo to apply the calculated tweak to the data in the CEP Demult process.
tvdafd (1)              - do true amplitude time varying frequency equaliza- tion
tvdafd (1)              - do true amplitude time varying frequency equalization
tvdin (1)               - module to associate [t,v,d] function output by the USP routine tvd with the endpoint seismic data for nmo correction with the dip term using the USP routine tvdnmo.
tvdnmo (1)              - module to apply/remove nmo correction with time- velocity/dip (CEPDemult)
tvfilt (1)              - do time varying filtering
udrs (1)                - user defined range scaling
ufh (1)                 - examine and modify an SIS data stream
umerg (1)               - split up combined data set into separate sets
upolf (1)               - module to do 2-component polarization filtering
upsum (1)               - module to do upsum Frequency Determination Panel
usparg (1)              - a script to build other scripts with command line arguments
utop (1)                - change line and/or trace headers
vanl (1)                - basic velocity analysis
vaplot (1)              - module to plot traces
velcoh (1)              - examines seismic records for the dips having the highest coherency
velin (1)               - create USP velocity data set (or rnmo data set).
velint (1)              - take input 3D or 2D sparse velocity field and interpolate (infill) functions
velloc (1)              - look for time of occurrence of input velocity in velocity traces
velmatch (1)            - generate a velocity subset from a 3D velocity cube to match an arbitrary set of input gathers.
velnotch (1)            - apply deghosting operation to seismic traces
velnum (1)              - program to plot velocity matrix and indecies from mxc formatted files.
velquar2 (1)            - obtain second and fourth order velocities (quar- tic) as functions of maxima of the second order semblance vertical arrival time
velquar2 (1)            - obtain second and fourth order velocities (quartic) as functions of maxima of the second order semblance vertical arrival time
velspec (1)             - obtain time and rms velocity semblance of data set
vfill3d (1)             - Modify a 3-D Velocity data-set with an interpo- lated user input surface.
vfill3d (1)             - Modify a 3-D Velocity data-set with an interpolated user input surface.
vfilt3d (1)             - module to do generalized (velocity, azimuth, fre- quency) filtering of 3D post stack data.
vfilt3d (1)             - module to do generalized (velocity, azimuth, frequency) filtering of 3D post stack data.
vfilt3da (1)            - module to do generalized (velocity, azimuth, frequency) filtering of 3D post stack data.
vi3d (1)                - routine to output a regular LI,DI grid of 3D interpo- lated velocity data calculated from input velocity functions at arbitrary LI,DI locations.
vi3d (1)                - routine to output a regular LI,DI grid of 3D interpolated velocity data calculated from input velocity functions at arbitrary LI,DI locations.
vi3din (1)              - read velocity flat file formats keyed on XYs and build tdfn file for vi3d
vmult (1)               - vertically multiply/divide data sets
vnmbs (1)               - program to plot velocity matrix and indecies from mxc formatted files.
VNMO (1)                - module to perform forward or inverse Normal Moveout Correction Using Shifted Hyperbolas
vnum (1)                - program to plot velocity matrix and indecies from mxc formatted files.
vomit (1)               - module to convert velocity function set format. Velocity Output Multiple Input Types (1) - Tom Chaimov
VOX2SIS (1)             - converts voxel file to sis dataset
Voxcine (1)             - module to display a dataset as a 3-dimensional cube.
Voxsample (1)           - resample a vox dataset.
VOXTRANS (1)            - rotates cube data files.
vred (1)                - make reduced velocity traces (linear NMO)
vsamp (1)               - resample a velocity worktape in preparation for prestack depth migration algorithm sammig
vsm (1)                 - smooth a velocity (or Q) worktape.
vsmx (1)                - module to mix traces from the input data to produce the output, using one of several nonlinear stacking algo- rithms. One output trace is produced for each input trace.
vsmx (1)                - module to mix traces from the input data to produce the output, using one of several nonlinear stacking algorithms. One output trace is produced for each input trace.
vspn (1)                - velocity spectra picking with editing
vspstk (1)              - do VSP nmo correction and binned stack
vspvel (1)              - extract velocities from processed VSP data
vstak (1)               - module to vertically stack data sets with weights. Useful for quickly determining difference between input and output to a process [use -amp-1].
vtinmo (1)              - forward or inverse vertically anisotropic, nonhy- perbolic fourth order normal moveout correction
vtinmo (1)              - forward or inverse vertically anisotropic, nonhyperbolic fourth order normal moveout correction
vtispec (1)             - obtain time and eta (vertically anisotropic, nonhyperbolic) semblance of data set
vttd (1)                - Time to Depth or Depth to Time Conversion
vxos (1)                - the graphical X/Motif application which provides a user friendly method for evaluating parameters and digitiz- ing and/or editting mute functions for the optical stack process. It may also be used to create or edit time/velocity pairs for application in conventional normal moveout correction programs.
vxos (1)                - the graphical X/Motif application which provides a user friendly method for evaluating parameters and digitizing and/or editting mute functions for the optical stack process. It may also be used to create or edit time/velocity pairs for application in conventional normal moveout correction programs.
wax (1)                 - Windowed Attribute eXtraction. Extracts various sig- nal attributes with either a window or running window analysis.
wax (1)                 - Windowed Attribute eXtraction. Extracts various signal attributes with either a window or running window analysis.
wesh (1)                - is for wavelet estimation and shaping on common- source records.
wh2 (1)                 - Wavelet - Uniform Bin Width Quantization - Huffman Coding Compression
whence (1)              - prints the name of the remote host from which you connected
wind (1)                - window data
windstat (1)            - calculates amplitude statistics within a verti- cal window.
windstat (1)            - calculates amplitude statistics within a vertical window.
word_swap (1)           - Trace header word transfer tool. Allows swap- ing information between int*2, int*4, float, fake float etc without having to know all about the format of the trace headers. Can also do multiplication by a scalar and addi- tion of a bias.
word_swap (1)           - Trace header word transfer tool. Allows swaping information between int*2, int*4, float, fake float etc without having to know all about the format of the trace headers. Can also do multiplication by a scalar and addition of a bias.
wrdt (1)                - write trace distances; recalculate source point numbers
wrot (1)                - module to rotate 3 component data about a given com- ponents axis.
wrot (1)                - module to rotate 3 component data about a given components axis.
wvh2 (1)                - Wavelet - Variance Quantization - Huffman Coding Compression
wye (1)                 - cause an input stream to be split into several pipes
xcram (1)               - module to do multi - volume read/write of UNIX files.
xcram10 (1)             - graphical interface for unattended reading/writing of data on multi-volume robotics devices.
xgraph (1)              - Draw a graph on an X11 Display
xplot (1)               - plot(5) filter for X
xplots (1)              - calplot filter for X-windows
xprtek (1)              - dumps an image of an X window to a file or printer.
xsdtweak (1)            - module to generate all files required to perform tweak-movie analysis of time, dip and velocity parameters used in the CEP process.
xwmig (1)               - do seismic cross-well++ migration
xytrp (1)               - interpolate an X-Y grid of data (in USP format)
xyz2head (1)            - module to store flat file information in user defined trace header mnemonic.
xyz2sis (1)             - module to convert between Zycor [x,y,z] gridded data, GeoQuest Grid Data Card data, or flat2[tr,rec,samp,amplitude] data and USP format. Also writes various types of flat files from USP format with optional header mnemonic reporting for up to 4 trace header variables.
xyzin (1)               - routine to install z information to trace data given x,y locations. The z data is provided in a 3 column x,y,z flat file format. The trace data need only have x,y data in the header. No assumption of 3D binning etc. is made.
xz2xsd (1)              - module to convert well (x,z) deviation data to xsd pickfile
zderiv (1)              - Calculate the derivative (in the sample direction) of the input file.
zeco (1)                - module to derive 1st, 2nd and 3rd zero crossing times from autocorrelation data.
zmapvel2sis (1)         - convert gridded zmap or Bfile velocity func- tions into 3D velocity volume
zmapvel2sis (1)         - convert gridded zmap or Bfile velocity functions into 3D velocity volume
zombie (1)              - module to bring induvidual traces back from the dead.
zstretch (1)            - map or stretch data lying on a fixed but irregu- lar depth grid to an equally sampled depth grid.
zstretch (1)            - map or stretch data lying on a fixed but irregular depth grid to an equally sampled depth grid.
