ACCOR Corrects cross amplitudes using auto correlation measurements
ADDIF Adds an IF axis to a uv data set AFILE sorts and edits MkIII correlator A-file. ALIAS adverb to alias antenna numbers to one another ANBPL plots and prints uv data converted to antenna based values AVER Averages over time UV data sets in ’BT’ order AVOPTION Controls type or range of averaging done by a task AVSPC Averages uv-data in the frequency domain BAND specifies the approximate frequency of UV data to be selected BASFIT fits antenna locations from SN-table data BASRM Task to remove a spectral baseline from total power spectra BIF gives first IF to be included BLAVG Average cross-polarized UV data over baselines. BLOAT converts line data to greater number channels BPASSPRM Control adverb array for bandpass calibration BPLOT Plots bandpass tables in 2 dimensions as function of time BPSMO Smooths or interpolates bandpass tables to regular times BREAK procedure to TELL FILLM to break all current uv files, start new BSMOD creates single-dish UV beam-switched data with model sources BSROT modifies SD beam-switch continuum data for error in throw CALIB determines antenna calibration: complex gain CLIP edits data based on amplitudes, phases, and weights out of range CLPLT plots closure phase and model from CC file CMETHOD specifies the method by which the uv model is computed CMODEL specifies the method by which the uv model is computed COHER Baseline Phase coherence measurement CORER calculates correlator statistics and flags bad ones CORFQ corrects uvw for incorrect observing frequency CVEL shifts spectral-line UV data to a given velocity DAYFX Fixes day number problems left by FILLM DBCON concatenates two UV data sets DECOR Measures the decorrelation between channels and IF of uv data DEFER Controls when file creation takes place DEFLG edits data based on decorrelation over channels and time DESCM copies a portion of a UV data set DFQID modifies UV data changing the indicated FQIDs DFTPL plots DFT of a UV data set at arbitrary point versus time DIFRL divides the RR data by LL data DIFUV Outputs the difference of two matching input uv data sets DOACOR specifies whether autocorrelation data are included DOARRAY spcifies if subarrays are ignored or the information used DOBTWEEN Controls smoothing between sources in calibration tables DOCONCAT selects concatenated or indivudual output files DOEBAR Controls display of estimates of the uncertainty in the data DOIFS controls functions done across IFs DOSTOKES selects options related to polarizations DOUVCOMP selects use of compression in writing UV data to disk DQUAL Rearranges source list, dropping qualifiers DSORC copies a data set elliminating some source numbers DSTOK Drops the cross-hand polarizations DTCHK Task to check results of a test using simulated data. DTSUM Task to provide a summary of the contents of a dataset EDITA Interactive TV task to edit uv data based on TY/SN/CL tables EDITR Interactive baseline-oriented visibility editor using the TV EIF last IF number to be included in operation EVLA puts the list of eVLA antennas in the current file on stack FEW procedure to TELL FILLM to append incoming data to existing uv files FGPLT Plots selected contents of FG table FILLM reads VLA on-line/archive format uv data tapes (post Jan 88) FILLR reads old VLA on-line-system tapes into AIPS FINDR Find normal values for a uv data set FITAB writes images / uv data w extensions to tape in FITS format FITDISK writes images / uv data w extensions to disk in FITS format FITTP writes images / uv data w extensions to tape in FITS format FIXAL least squares fit aliasing function and remove FIXWT Modify weights to reflect amplitude scatter of data FLAGR Edit data based on internal RMS, amplitudes, weights FLGIT flags data based on the rms of the spectrum FLOPM reverses the spectral order of UV data, can fix VLA error FRMAP Task to build a map using fringe rate spectra FRPLT Task to plot fringe rate spectra FUDGE modifies UV data with user’s algorithm: paraform task FXALIAS least squares fit aliasing function and remove FXPOL Corrects VLBA polarization assignments FXTIM fixes start date so all times are positive FXVLA Task to correct VLA data for on-line errors in special cases. FXVLB Builds a CQ table to enable VLBA correlator loss corrections HAFIX Recomputes u,v,w when time is hour angle (UVdata is output of TI2HA) HLPEDICL Interactive SN/CL table uv-data editor - internal help HLPEDISN Interactive SN/CL table (not UV) editor - internal help HLPEDITS Interactive TY table (not UV) editor - internal help HLPEDITY Interactive TY table uv-data editor - internal help HLPEDIUV Interactive uv-data editor - internal help HLPIBLED Interactive Baseline based visibility Editor - internal help HLPSPFLG Interactive time-channel visibility Editor - internal help HLPTVFLG Interactive time-baseline visibility Editor - internal help HLPWIPER WIPER run-time help file HOLGR Read & process holography visibility data to telescope images HSA puts the list of HSA antennas in the current file on stack IBLED Interactive BaseLine based visibility EDitor IM2UV converts an image to a visibility data set LISTR prints contents of UV data sets and assoc. calibration tables LOCIT fits antenna locations from SN-table data LPCAL Determines instrumental polarization for UV data M3TAR translate Haystack MKIII VLBI format "A" TAR’s into AIPS MANY procedure to TELL FILLM to start new uv files on each scan MAPBM Map VLA beam polarization MATCH changes antenna, source, FQ numbers to match a data set MK3IN translate Haystack MKIII VLBI format "A" tapes into AIPS MSORT Sort a UV dataset into a specified order MULIF Change number of IFs in output MULTI Task to convert single-source to multi-source UV data NPIECE The number of pieces to make OBJECT The name of an object OBPLT Plot columns of an OB table. OMFIT Fits sources and, optionally, a self-cal model to uv data OOSRT Sort a UV dataset into a specified order OOSUB Subtracts/divides a model from/into a uv data base PCAL Determines instrumental polarization for UV data PCCOR Corrects phases using PCAL tones data from PC table PEELR calibrates interfering sources in multi-facet imges PHASE Baseline Phase coherence measurement PHSLIMIT gives a phase value in degrees PHSRF Perform phase-referencing within a spectral line database. POSSM Task to plot total and cross-power spectra. PRTAN prints the contents of the ANtenna extension file PRTUV prints contents of a visibility (UV) data set QUACK Flags beginning or end portions of UV-data scans QUAL Source qualifier QUIT procedure to TELL FILLM to stop at the end of the current scan READISK writes images / uv data w extensions to tape in FITS format REAMP modifies UV data re-scaling the amplitudes REFDATE To specify the initial or reference date of a data set REFREQ Allows changing of reference pixel RESEQ Renumber antennas REWEIGHT Reweighting factors for UV data weights. RLDIF determines Right minus Left phase difference ROBUST Uniform weighting "robustness" parameter SBCOR Task to correct VLBA data for phase shift between USB & LSB SDLSF least squares fit to channels and subtracts from SD uv data SDMOD modifies single-dish UV data with model sources SDVEL shifts spectral-line single-dish data to a given velocity SETAN Reads an ANtenna file info from a text file SHADO Calculate the shadowing of antennas at the array SHOUV displays uv data in various ways. SMOOTH Specifies spectral smoothing SNEDT Interactive SN/CL/TY table editor using the TV SNFLG Writes flagging info based on phases in SN files SNPLT Plots selected contents of SN, TY, PC or CL files SORT Specified desired sort order SPCAL Determines instrumental polzn. for spec. line UV data SPECR Spectral regridding task for UV data SPFLG interactive flagging of UV data in channel-TB using the TV SPLAT Applies calibration and splits or assemble selected sources. SPLIT converts multi-source to single-source UV files w calibration STOKES Stokes parameter STOP procedure to TELL FILLM to break all current uv files and stop STUFFR averages together data sets in hour angle SWPOL Swap polarizations in a UV data base TBAVG Time averages data combining all baselines. TELFLM procedure to TELL real-time FILLM a new APARM(1) value TFILE sorts and edits MkIII correlator UNIX-based A-file. TI2HA modifies times in UV data to hour angles TIORD checks data for time ordering, displays failures TVFLG interactive flagging of UV data using the TV UBAVG Baseline dependent time averaging of uv data UCAT list a user’s UV and scratch files on one or more data areas UJOIN modifies UV data converting IFs to spectral channels USUBA Assign subarrays within a uv-data file UV1TYPE Convolving function type 1, pillbox or square wave UV2MS Append single-source file to multi-source file. UV2TB Converts UV autocorrelation spectra to tables UV2TYPE Convolving function type 2, exponential function UV3TYPE Convolving function type 3, sinc function UV4TYPE Convolving function type 4, exponent times sinc function UV5TYPE Convolving function type 5, spheroidal function UV6TYPE Convolving function type 6, exponent times BessJ1(x) / x UVADC Fourier transforms and corrects a model and adds to uv data. UVAVG Average or merge a sorted (BT, TB) uv database UVBAS averages several channels and subtracts from uv data. UVBOX radius of the smoothing box used for uniform weighting UVBXFN type of function used when counting for uniform weighting UVCMP Convert a UV database to or from compressed format UVCON Generate sample UV coverage given a user defined array layout UVCOP Task to copy a subset of a UV data file UVCOPPRM Parameter adverb array for task UVCOP UVCRS Finds the crossing points of UV-ellipses. UVDEC Decrements the number of spectral channels, keeping every nth UVDGP Copy a UV data file, deleting a portion of it UVDI1 Subtract UV data(averaged up to one time) from the other UV data UVDIF prints differences between two UV data sets UVFIL Create, fill a uv database from user supplied information UVFIT Fits source models to uv data. UVFIX Recomputes u,v,w for a uv database UVFIXPRM Parameter adverb array for task UVFIX UVFLG Flags UV-data UVFND prints selected data from UV data set to search for problems UVGLU Glues UV data frequency blocks back together UVHGM Plots statistics of uv data files. UVHIM Images statistics of uv data files. UVHOL prints holography data from a UV data base with calibration UVIMG Grid UV data into an "image" UVLIN Fits and removes continuum visibility spectrum, also can flag UVLOD Read export or FITS data from a tape or disk UVLSD least squares fit to channels and divides the uv data. UVLSF least squares fit to channels and subtracts from uv data. UVMLN edits data based on the rms of the spectrum UVMOD Modify UV database by adding a model incl spectral index UVMTH Averages one data set and applied it to another. UVNOU flags uv samples near the U,V axes to reduce interference UVPLT plots data from a UV data base UVPOL modifies UV data to make complex image and beam UVPRM measures parameters from a UV data base UVPRT prints data from a UV data base with calibration UVRANGE Specify range of projected baselines UVSEN Determine RMS sidelobe level and brightness sensitivity UVSIM Generate sample UV coverage given a user defined array layout UVSIZE specifies number of pixels on X and Y axes of a UV image UVSRT Sort a UV dataset into a specified order UVSUB Subtracts/divides a model from/into a uv data base UVTAPER Widths in U and V of gaussian weighting taper function UVWAX flags uv samples near the U,V axes to reduce interference UVWTFN Specify weighting function, Uniform or Natural VBGLU Glues together data from multiple passes thru the VLBA corr. VECTOR selects method of averaging UV data VLA puts the list of VLA antennas in the current file on stack VLBA puts the list of VLBA antennas in the current file on stack VLBIN Task to read VLBI data from an NRAO/MPI MkII correlator VPFLG Resets flagging to all correlators whenever 1 is flagged VPLOT plots uv data and model from CC file VTEST Measures velocity discrepancy across fields WEIGHTIT Controls modification of weights before gain/fringe solutions WETHR Plots selected contents of WX tables, flags data based on WX WIPER plots and edits data from a UV data base using the TV WRTDISK writes images / uv data w extensions to tape in FITS format WRTPROCS Procedures to simplify the reduction of VLBA data WTMOD modifies weights in a UV data set WTUV Specifies the weight to use for UV data outside UVRANGE ZEROSP Specify how to include zero spacing fluxes in FT of UV data |