13.20 OBSOLETE
\zxhlp{ABACKUP} VMS procedure to back up data on tape
\zxhlp{ARESTORE} Restores back up tapes of users data
\zxhlp{CLIPM} old version of \zxhlp{CLIP}
\zxhlp{DDT} previous verion of \zxhlp{Y2K} to test performance and correctness of code
\zxhlp{DDTSIZE} String formerly used by the \zxhlp{DDT} test
\zxhlp{HORUS} makes images from unsorted UV data, applying any calibration
\zxhlp{MAPDIF} Was used by the \zxhlp{DDT} test suite
\zxhlp{MX} makes images & deconvolves using UV data directly - replaced
\zxhlp{OFFROAM} Procedure to clear the TV from a Roam condition
\zxhlp{PHCLN} \zxhlp{PHCLN} has been removed, use \zxhlp{PHAT} adverb in \zxhlp{APCLN}.
\zxhlp{PSEUDO} Description of POPS pseudoverbs - obsolete list file
\zxhlp{SETROAM} Verb use to set roam image mode, then do roam. OBSOLETE
\zxhlp{SNCUT} Specifies minimum signal-to-noise ratio
\zxhlp{XVSS} Information about older Sun OpenWindows-specific TV-Server