; CALIBRATION
;---------------------------------------------------------------
;! Information about CALIBRATION
;# INFORMATION GENERAL
;-----------------------------------------------------------------------
;;  Copyright (C) 1995-2003
;;  Associated Universities, Inc. Washington DC, USA.
;;
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;-----------------------------------------------------------------------
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CALIBRATIOLLLLLLLLLLLLUUUUUUUUUUUU CCCCCCCCCCCCCCCCCCCCCCCCCCCCC
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For a lengthy description of the calibration of interferometric
data (VLA and VLB line and continuum) enter:
              HELP CALIBRAT
****************************************************************
List of verbs, adverbs, tasks in category CALIBRATION

ACCOR      Corrects cross amplitudes using auto correlation measurements
ACFIT      Determine antenna gains from autocorrelations
ANCAL      Places antenna-based Tsys and gain corrections in CL table
ANTAB      Read amplitude calibration information into AIPS
ANTENNAS   Antennas to include/exclude from the task or verb
ANTUSE     Antennas to include/exclude from the task or verb
ANTWT      Antenna Weights for UV data correction in Calibration
APCAL      Apply TY and GC tables to generate an SN table
APGPS      Apply GPS-derived ionospheric corrections
BASELINE   specifies which antenna pairs are to be selected/deselected
BASFIT     fits antenna locations from SN-table data
BLAPP      applies baseline-based fringe solutions a la BLAPP
BLAVG      Average cross-polarized UV data over baselines.
BLCAL      Compute closure offset corrections
BLING      find residual rate and delay on individual baselines
BLVER      specifies the version of the baseline-calibration table used
BPASS      computes spectral bandpass correction table
BPCOR      Correct BP table.
BPERR      Print and plot BPASS closure outputs
BPLOT      Plots bandpass tables in 2 dimensions as function of time
BPSMO      Smooths or interpolates bandpass tables to regular times
BPVER      specifies the version of the bandpass table to be applied
BSPRT      print BS tables
BSROT      modifies SD beam-switch continuum data for error in throw
CALCODE    specifies the type of calibrator to be selected
CALIB      determines antenna calibration: complex gain
CALIBRAT   describes the process of data calibration in AIPS
CALSOUR    specifies source names to be included in calibration
CHANSEL    Array of start, stop, increment channel numbers to average
CLCAL      merges and smoothes SN tables, applies them to CL tables
CLCOR      applies user-selected corrections to the calibration CL table
CLCORPRM   Parameter adverb array for task CLCOR
CLINT      CL table entry interval
CLINV      copy CL/SN file inverting the calibration
CLIPM      edits data based on amplitudes out of range
CLSMO      smooths a calibration CL table
CMETHOD    specifies the method by which the uv model is computed
CMODEL     specifies the method by which the uv model is computed
CONFI      Optimize array configuration by minimum side lobes
CPASS      computes polynomial spectral bandpass correction table
CSCOR      applies specified corrections to CS tables
CVEL       shifts spectral-line UV data to a given velocity
DECOR      Measures the decorrelation between channels and IF of uv data
DEFLG      edits data based on decorrelation over channels and time
DELCORR    specifies whether VLBA delay corrections  are to be used
DELZN      Determines residual atmosphere depth at zenith and clock errors
DFCOR      applies user-selected corrections to the calibration CL table
DIGICOR    specifies whether VLBA digital corrections are to be applied
DOACOR     specifies whether autocorrelation data are included
DOBAND     specifies if/how bandpass calibration is applied
DOCALIB    specifies whether a gain table is to be applied or not
DODELAY    selects solution for phase/amplitude or delay rate/phase
DOPOL      selects application of any polarization calibration
DTSIM      Generate fake UV data
EDITA      Interactive TV task to edit uv data based on TY/SN/CL tables
EDITR      Interactive baseline-oriented visibility editor using the TV
ELINT      Determines and removes gain dependence on elevation
FACES      makes images of catalog sources for initial calibration
FARAD      add ionospheric Faraday rotation to CL table
FGPLT      Plots selected contents of FG table
FIXWT      Modify weights to reflect amplitude scatter of data
FLAGVER    selects version of the flagging table to be applied
FLGIT      flags data based on the rms of the spectrum
FQTOL      Frequency tolerance with which FQ entries are accepted.
FRCAL      Faraday rotation self calibration task
FREQID     Frequency Identifier for frequency, bandwidth combination
FRING      fringe fit data to determine antenna calibration, delay, rate
GAINERR    gives estimate of gain uncertainty for each antenna
GAINUSE    specifies output gain table or gain table applied to data
GAINVER    specifies the input gain table
GCVER      specifies the version of the gain curve table used
GETJY      determines calibrator flux densities
GPSDL      Calculate ionospheric delay and Faraday rotation corrections
HLPCLEAN   Cleaning tasks  - internal help
HLPEDICL   Interactive SN/CL table uv-data editor - internal help
HLPEDISN   Interactive SN/CL 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
HLPSCIMG   Cleaning tasks  - internal help
HLPSCMAP   Cleaning tasks  - internal help
HLPSPFLG   Interactive time-channel visibility Editor - internal help
HLPTVFLG   Interactive time-baseline visibility Editor - internal help
HYB        RUN to set parameters for HYBRID (CALIB/MX) self-cal imaging
IBLED      Interactive BaseLine based visibility EDitor
ICHANSEL   Array of start, stop, increment channel #S + IF to average
IMAGR      Wide-field and/or wide-frequency Cleaning / imaging task.
INDXH      writes index file describing contents of UV data base
INDXR      writes index file describing contents of UV data base
INTERPOL   specifies the type of averaging done on the complex gains
INTPARM    specifies the parameters of the gain interpolation function
KRING      fringe fit data to determine antenna calibration, delay, rate
LDGPS      load GPS data from an ASCII file
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
MAPBM      Map VLA beam polarization
MBDLY      Fits multiband delays from IF phases, updates SN table
MINAMPER   specifies the minimum amplitude error prior to some action
MINPHSER   specifies the minimum phase error prior to some action
MSORT      Sort a UV dataset into a specified order
MULTI      Task to convert single-source to multi-source UV data
OMFIT      Fits sources and, optionally, a self-cal model to uv data
OOSRT      Sort a UV dataset into a specified order
PBEAM      Fits the analytic function to the measured values of the beam
PCAL       Determines instrumental polarization for UV data
PCCOR      Corrects phases using  PCAL tones data from PC table
PCLOD      Reads ascii file containing pulse-cal info to PC table.
POLSN      Make a SN table from cross polarized fringe fit
REFANT     Reference antenna
REFREQ     Allows changing of reference pixel
RESEQ      Resequence antennas
RFI        Look for RFI in uv data
SCIMG      Full-featured imaging plus self-calibration loop
SCMAP      Imaging plus self-calibration loop
SDCAL      Task to apply single dish calibration
SDVEL      shifts spectral-line single-dish data to a given velocity
SELBAND    Specified bandwidth
SELFREQ    Specified frequency
SETJY      Task to enter source info into source (SU) table.
SHOUV      displays uv data in various ways.
SMODEL     Source model
SMOTYPE    Specifies smoothing
SNCOR      applies user-selected corrections to the calibration SN table
SNDUP      copies and duplicates SN table from single pol file to dual pol
SNEDT      Interactive SN/CL 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
SNSMO      smooths and filters a calibration SN table
SNVER      specifies the output solution table
SOLCL      adjust gains for solar data according to nominal sensitivity
SOLCON     Gain solution constraint factor
SOLINT     Solution interval
SOLMODE    Solution mode
SOLTYPE    Solution type
SPCAL      Determines instrumental polzn. for spec. line 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
TASAV      Task to copy all extension tables to a dummy uv or map file
TECOR      Calculate ionospheric delay and Faraday rotation corrections
TIMSMO     Specified smoothing times
TRIANGLE   specifies closure triangles to be selected/deselected
TVFLG      interactive flagging of UV data using the TV
TYVER      specifies the version of the system temperature table used
UNCAL      sets up tables for uncalibrating Australia Telescope data
USUBA      Assign subarrays within a uv-data file
UVCRS      Finds the crossing points of UV-ellipses.
UVFIT      Fits source models to uv data.
UVFLG      Flags UV-data
UVHOL      prints holography data from a UV data base with calibration
UVMLN      edits data based on the rms of the spectrum
UVPRT      prints data from a UV data base with calibration
UVSRT      Sort a UV dataset into a specified order
UVSUB      Subtracts/divides a model from/into a uv data base
VBCAL      Scale visibility amplitudes by antenna based constants
VLABP      VLA antenna beam polarization correction for snapshot images
VLACALIB   Runs CALIB and LISTR for VLA observation
VLACLCAL   Runs CLCAL and prints the results with LISTR
VLAMODE    VLA observing mode
VLAOBS     Observing program or part of observer's name
VLARESET   Reset calibration tables to a virginal state
VLARUN     calibrating amplitude and phase, and imaging VLA data
VLBACALA   applies a-priori amplitude corrections to VLBA data
VLBAFQS    Copies different FQIDS to separate files
VLBAFRGP   fringe fit data to determine antenna calibration, delay, rate
VLBAFRNG   fringe fit data to determine antenna calibration, delay, rate
VLBAKRGP   fringe fit data to determine antenna calibration, delay, rate
VLBAKRNG   fringe fit data to determine antenna calibration, delay, rate
VLBAMCAL   merges redundant calibration data
VLBAPANG   Corrects for parallactic angle
VLBAPIPE   applies amplitude and phase calibration procs to VLBA data
VLBAUTIL   Procedures to simplify the reduction of VLBA data
VLOG       Pre-process external VLBA calibration files
WETHR      Plots selected contents of WX tables, flags data based on WX
WRTPROCS   Procedures to simplify the reduction of VLBA data
WTTHRESH   defines the weight threshold for data acceptance
WTUV       Specifies the weight to use for UV data outside UVRANGE
