| ACCOR | Corrects cross amplitudes using auto correlation measurements | 
| ACFIT | Determine antenna gains from autocorrelations | 
| ACSCL | Corrects cross amplitudes using auto correlation measurements | 
| AFILE | sorts and edits MkIII correlator A-file. | 
| ALBUS | Calculate ionospheric delay and Faraday rotation using ALBUS | 
| ALIAS | adverb to alias antenna numbers to one another | 
| ANBPL | plots and prints uv data converted to antenna based values | 
| ANCAL | Places antenna-based Tsys and gain corrections in CL table | 
| ANTAB | Read amplitude calibration information into AIPS | 
| ANTNAME | A list of antenna (station) names | 
| APCAL | Apply TY and GC tables to generate an SN table | 
| ASTROMET | Describes the process of astrometric/geodetic reduction in AIPS | 
| BANDPOL | specifies polarizations of individual IFs | 
| BLING | find residual rate and delay on individual baselines | 
| BPASS5 | Normalization control in BPASS for VLBARUN | 
| BPSOLINT | Sets SOLINT in BPASS for VLBARUN | 
| BSCAN | seeks best scan to use for phase cal, fringe search, .. | 
| BSPRT | print BS tables | 
| CALIN | specifies name of input disk file usually with calibration data | 
| CALTASK | Controls which calibration task is used when by VLBARUN | 
| CAPLT | plots closure amplitude and model from CC file | 
| CHREFANT | Name of reference antenna | 
| CL2HF | Convert CL table to HF table | 
| CLCOR | applies user-selected corrections to the calibration CL table | 
| CLOSE | plots closure phase or amplitude spectra averaged over closures | 
| CLPLT | plots closure phase and model from CC file | 
| CLVLB | Corrects CL table gains for pointing offsets in VLBI data | 
| CRSFRING | Procedure to calibrate cross pol. delay and phase offsets | 
| CVEL | shifts spectral-line UV data to a given velocity | 
| CXPOLN | Procedure to make complex polarization images and beam | 
| DFCOR | Applies ATMO differential corrections to the calibration CL table | 
| DOCLIP | Controls whether and how a CLIP operation is performed | 
| DOVLAMP | Produces amp calibration file for phased-VLA VLBI data | 
| DTSIM | Generate fake UV data | 
| EDITR | Interactive baseline-oriented visibility editor using the TV | 
| ELEVLIM | Lower limit on elevation | 
| EOPSFILE | Name of text file containing EOP information | 
| FRING | fringe fit data to determine antenna calibration, delay, rate | 
| FRMAP | Task to build a map using fringe rate spectra | 
| FRPLT | Task to plot fringe rate spectra | 
| FXAVG | Procedure to enable VLBA delay de-correlation corrections | 
| FXPOL | Corrects VLBA polarization assignments | 
| HF2SV | convert HF tables from FRING/MBDLY to form used by Calc/Solve | 
| HFPRT | write HF tables from CL2HF | 
| HLPEDIPC | Interactive PC table editor PCEDT - run-time help | 
| HLPEDIPD | Interactive PD table editor PDEDT - run-time help | 
| HLPIBLED | Interactive Baseline based visibility Editor - run-time help | 
| HLPSCIMG | Full-featured image plus self-cal loops, editing - run-time help | 
| HLPSCMAP | Imaging plus self-cal and editing SCMAP - run-time help | 
| IANTB | Writes out GC and TY data in ANTAB format | 
| IBLED | Interactive BaseLine based visibility EDitor | 
| KRING | fringe fit data to determine antenna calibration, delay, rate | 
| M3TAR | translate Haystack MKIII VLBI format ”A” TAR’s into AIPS | 
| MATCH | changes antenna, source, FQ numbers to match a data set | 
| MBDLY | Fits multiband delays from IF phases, updates SN table | 
| MERGECAL | Procedure to merge calibration records after concatenation | 
| MK3IN | translate Haystack MKIII VLBI format ”A” tapes into AIPS | 
| MK3TX | extract text files from a MKIII VLBI archive tape | 
| OBPLT | Plot columns of an OB table. | 
| OOFRING | Fringe fit data to determine calibration with spectral index options | 
| PCABL | Copies the Cable cal values from PC table 1 to PC table n | 
| PCASS | Finds amplitude bandpass shape from pulse-cal table data | 
| PCAVG | Averages pulse-cal (PC) tables over time | 
| PCCOR | Corrects phases using PCAL tones data from PC table | 
| PCDIV | Scales pulse-cal amplitudes by Tsys or Psum | 
| PCEDT | Interactive TV task to edit pulse-cal (PC) tables | 
| PCFIT | Finds delays and phases using a pulse-cal (PC) table | 
| PCFLG | interactive flagging of Pulse-cal data in channel-TB using the TV | 
| PCHIS | Generates a histogram plot file from text input, e.g. from PCRMS | 
| PCLOD | Reads ascii file containing pulse-cal info to PC table. | 
| PCPLT | Plots pulse-cal tables in 2 dimensions as function of time | 
| PCRMS | Finds statistics of a pulse-cal table; flags bad times and channels | 
| PCVEL | shifts spectral-line UV data to a given velocity: planet version | 
| PHSLIMIT | gives a phase value in degrees | 
| PLRFI | Plots spectral statistics from output of VBRFI & VLBRF | 
| PRRFI | Prints excess spectral statistics from output of VBRFI & VLBRF | 
| RESEQ | Renumber antennas | 
| RLDLY | fringe fit data to determine antenna R-L delay difference | 
| SEARCH | Ordered list of antennas for fring searches | 
| SELFCAL | Requests self-calibration of calibration sources | 
| SMRATES | Requests smoothing and clipping of rates after FRING in pipeline | 
| SNEDT | Interactive SN/CL/TY/SY table editor using the TV | 
| STATIONS | GPS stations used by ALBUS from 3 Sept, 2024 | 
| TAU0 | Opacities by antenna number | 
| TECOR | Calculate ionospheric delay and Faraday rotation corrections | 
| TFILE | sorts and edits MkIII correlator UNIX-based A-file. | 
| TIME2 | used by VLBAMPCL as the time range for a second calibrator scan | 
| TIMETOL | used by MERGECAL to control accuracy when comparing times | 
| TRECVR | Receiver temperatures by polarization and antenna | 
| TYSMOLEV | Clip level to use in running TYSMO on a VLB TY table | 
| UVPOL | modifies UV data to make complex image and beam | 
| VBCAL | Scale visibility amplitudes by antenna based constants | 
| VBGLU | Glues together data from multiple passes thru the VLBA corr. | 
| VBMRG | Merge VLBI data, eliminate duplicate correlations | 
| VBRFI | Plots spectral statistics of VLBA autocorrelation data for RFI | 
| VLAMP | Makes ANTAB file for phased VLA used in VLBI observations | 
| VLASUMM | Plots selected contents of SN or CL files | 
| VLBAAMP | applies a-priori amplitude corrections to VLBA data | 
| VLBAARCH | Procedure to archive VLBA correlator data | 
| VLBACALA | applies a-priori amplitude corrections to VLBA data | 
| VLBACCOR | applies a-priori amplitude corrections to VLBA data | 
| VLBACRPL | Plots crosscorrelations | 
| VLBAEOPS | Corrects Earth orientation parameters | 
| VLBAFIX | Procedure that fixes VLBA data, if necessary | 
| VLBAFPOL | Checks and corrects polarization labels for VLBA data | 
| VLBAFQS | Copies different FQIDS to separate files | 
| VLBAFRGP | Fringe fit phase referenced data and apply calibration | 
| VLBAFRNG | Fringe fit data and apply calibration | 
| VLBAKRGP | Fringe fit phase referenced data and apply calibration | 
| VLBAKRNG | Fringe fit data and apply calibration | 
| VLBALOAD | Loads VLBA data | 
| VLBAMCAL | Merges redundant calibration data | 
| VLBAMPCL | Calculates and applies manual instrumental phase calibration | 
| VLBAMPHC | applies VLBARUN calibration to additional phase stopping centers | 
| VLBAPANG | Corrects for parallactic angle | 
| VLBAPCOR | Calculates and applies instrumental phase calibration | 
| VLBARFI | Calibrates VLBA autocorrelations, writes out statistics | 
| VLBAPIPE | Applies amplitude and phase calibration procs to VLBA data | 
| VLBARUN | Applies amplitude and phase calibration procs to VLBA data | 
| VLBASNPL | Plots selected contents of SN or CL files | 
| VLBASRT | Sorts VLBA data, if necessary | 
| VLBASUBS | looks for subarrays in VLBA data | 
| VLBASUMM | Prints a summary of a VLBI experiment | 
| VLBATECR | Calculate ionospheric delay and Faraday rotation corrections | 
| VLBAUTIL | Procedures to simplify the reduction of VLBA data | 
| VLBAWIDE | Calibrates all VLA wide-band autocorrelations with VLBARFI | 
| VLBCD | Reads ascii file containing VLBA calibration info into a CD table | 
| VLBIN | Task to read VLBI data from an NRAO/MPI MkII correlator | 
| VLBINPRM | Control parameters to read data from NRAO/MPI MkII correlators | 
| VLBRF | Plots spectral statistics of VLBA autocorrelation data for RFI | 
| VLBSY | Reads ascii file containing VLBA total power info into an SY table | 
| VLOG | Pre-process external VLBA calibration files | 
| VPLOT | Plots uv data and model from CC file | 
| WEIGHTIT | Controls modification of weights before gain/fringe solutions | 
| WXLOD | Reads KEYIN-format weather information making WX table |