| CHINC | the increment between selected channels |
| CPASS | computes polynomial spectral bandpass correction table |
| CUBIT | Model a galaxy’s density and velocity distribution from full cube |
| CVEL | shifts spectral-line UV data to a given velocity |
| DCHANSEL | Array of start, stop, increment channel #S + IF to avoid |
| DOAPPLY | Flag to indicate whether an operation is applied to the data |
| ECHAN | define an end for a range of channel numbers |
| FIXAL | least squares fit aliasing function and remove |
| FLGIT | flags data based on the rms of the spectrum |
| FQUBE | collects n-dimensional images into n+1-dimensional FREQID image |
| FRMAP | Task to build a map using fringe rate spectra |
| FRPLT | Task to plot fringe rate spectra |
| FTARS | Fits 1-dimensional polarization spectrum to Q/U text file |
| FTFLG | interactive flagging of UV data in channel-time using the TV |
| FXALIAS | least squares fit aliasing function and remove |
| HLPFTFLG | Interactive time-channel visibility Editor - run-time help |
| HLPPCFLG | Interactive time-channel PC table Editor PCFLG - run-time help |
| HLPSPFLG | Interactive time-channel visibility Editor SPFLG - run-time help |
| HLPTVHUI | Interactive intensity-hue-saturation display - run-time help |
| HLPTVRGB | Interactive red-green-blue display - run-time help |
| HLPTVSPX | Fits 1-dimensional spectral index model to data - run-time help |
| HLPZAMAN | Fits 1-dimensional Zeeman model to absorption data - run-time help |
| HLPZEMAN | Fits 1-dimensional Zeeman model to data - run-time help |
| ICHANSEL | Array of start, stop, increment channel #S + IF to average |
| IMLIN | Fits and removes continuum emission from cube |
| IRING | integrates intensity / flux in rings / ellipses |
| ISPEC | Plots and prints spectrum of region of a cube |
| MCUBE | collects n-dimensional images into n+1-dimensional image |
| MODAB | Makes simple absorption/emission spectral-line image in I/V |
| MORIF | Combines IFs or breaks spectral windows into multiple windows (IFs) |
| NCHAV | Number of channels averaged in an operation |
| ORDER | Adverb used usually to specify the order of polynomial fit |
| PCASS | Finds amplitude bandpass shape from pulse-cal table data |
| PCFIT | Finds delays and phases using a pulse-cal (PC) table |
| PCPLT | Plots pulse-cal tables in 2 dimensions as function of time |
| PCVEL | shifts spectral-line UV data to a given velocity: planet version |
| PDVER | specifies the version of the spetral polarization table to use |
| PLCUB | Task to plot intensity vs x panels on grid of y,z pixels |
| PLRFI | Plots spectral statistics from output of VBRFI & VLBRF |
| POLANGLE | Intrinsic polarization angles for up to 30 sources |
| POSSM | Task to plot total and cross-power spectra. |
| PRRFI | Prints excess spectral statistics from output of VBRFI & VLBRF |
| QUFIX | determines Right minus Left phase difference, corrects cal files |
| REFREQ | Specifies the frequency to be uased as the reference |
| REIFS | Breaks spectral windows into multiple spectral windows (IFs) |
| RM2PL | Plots spectrum of a pixel with RMFIT fit |
| RMFIT | Fits 1-dimensional polarization spectrum to Q/U cube |
| RSPEC | Plots and prints spectrum of rms of a cube |
| SDLSF | least squares fit to channels and subtracts from SD uv data |
| SDVEL | shifts spectral-line single-dish data to a given velocity |
| SERCH | Finds line signals in transposed data cube |
| SMOTH | Task to smooth a subimage from upto a 7-dim. image |
| SPECFLUX | Specifies the flux at the reference frequency |
| SPECINDX | Spectral index used to correct calibrations |
| SPECPARM | Spectral index per polarization per source |
| SPECR | Spectral regridding task for UV data |
| SPECTRAL | Flag to indicate whether an operation is spectral or continuum |
| SPECURVE | Spectral index survature used to correct calibrations |
| SPFLG | interactive flagging of UV data in channel-TB using the TV |
| SPMOD | Modify UV database by adding a model with spectral lines |
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