| Name | AEDF table | Purpose | Symbol | Visibility | Restriction |
| NUM_ANTENNA | ANTENNA | Number of antennas Na in the
collection | Na | protected | [1,64] |
| ATMPHASE_CODE | DATA_DESCRIPTION | Code for atm phase correction | Napc | protected | [0,2] |
| NUM_BASE_LENGTH | SEEING | Number of baselengths Nbasept points
sampling the function | Nbasept | private | >2 |
| NUM_BASEBAND | CONFIG_DESCRIPTION | Number of basebands Nbb in the
collection | Nbb | protected | [1,4] |
| CORRELATION_MODE | CONFIG_DESCRIPTION | Correlation mode Ncm | Ncm | protected | [1,2] |
| NUM_COEFF | | Number of coefficients in the
analytical form of the model | Ncoeff | private | >1 |
| NUM_DEP | SOURCE_PARAMETER | Number Ndep of dependencies for
bootstraped fluxes | Ndep | private | >0 |
| NUM_EPOCH | SOURCE | Number of epochs Ne for provided
fluxes | Ne | private | >0 |
| NUM_CHAN | SPECTRAL_WINDOW | Number of spectral channels Nf | Nf | protected | >1 |
| NUM_FIELD | SCAN_SUMMARY | Number of fields Nfield | Nfield | private | >1 |
| NUM_FREQ | SOURCE_PARAMETER | Number Nfpt of frequencies to which
parameters are provided | Nfpt | private | >1 |
| NUM_INTEGRATION | SUBSCAN_SUMMARY | Number of integrations Ninteg | Ninteg | private | >0 |
| NUM_LINES | SOURCE | Number of spectral lines Nli | Nli | private | >0 |
| NUM_LO | RECEIVER | Number of local oscillators NLO | NLO | private | >1 |
| NUM_CALLOAD | CALDEVICE | Number Ncl of NCAL or TLOAD | Nload | protected | >1 |
| NUM_SUBSCAN | SCAN_SUMMARY | Number of SUBSCANs Nsubscan | Nsubscan | protected | >1 |
| NUM_PHASECAL_TONE_FREQ | CALDEVICE | Number Npct of phase tone
frequencies | Npct | protected | >0 |
| NUM_CORR | POLARIZATION | Number of correlation
cross-products Nc | Nc | protected | >1 |
| NUM_POLY_FREQ | SYSCAL | Freq. series order Npolyf | Npolyf | private | >0 |
| NUM_RECEPTORS | FEED | Number of receptors Nr on this
feed | Nr | protected | >0 |
| NUM_SCHEDBLOCK | OBSERVATION_UNIT | Number scheduling blocks NSB for
this observation unit | NSB | private | >0 |
| NUM_SCAN | SCHEDULE | Number of different scans Nscan in
this Scheduling Block | Nscan | protected | >0 |
| NUM_SCANINTENT | OBSERVATION_UNIT | Number of selected SCAN
intents | Nscan_intent | private | >0 |
| NUMSCREW | CALHOLOGRAPHY | NUmber of screws | Nscrew | protected | [0, |
| ] NUM_STEP | SWITCH_CYCLE | Number of steps Nstep in the cycle | Nstep | protected | [1,4] |
| NUM_STOKES | SOURCE_PARAMETER | Number of stokes parameters Nsto | Nsto | protected | [1,4] |
| NUM_SUBBAND | CONFIG_DESCRIPTION | Number of ”SUBBANDs” Nsw for
each baseband | Nsw | protected | [1,32] |
| NUM_SUBINTEG | SUBSCAN_SUMMARY | Number of sub-integrations Nsubinteg | Nsubinteg | private | >1 |
| NUM_SUBSCAN | SCAN_SUMMARY | Number of SUBSCANs Nsubscan | Nsubscan | protected | >0 |
| |