MDSplus Trees

Tree Purpose Key sub-systems Example signal labels (representative paths)
ACTIVESPEC Processed active spectroscopy measurements and derived analysis products. CHERS, FIDA, MPTS \CHERS_TI\ACTIVESPEC::TOP.CHERS.ANALYSIS:TI (ion temperature)
\CHERS_VT\ACTIVESPEC::TOP.CHERS.ANALYSIS:VT (toroidal velocity)
ACTIVESP_RAW Raw active spectroscopy acquisition data used to generate processed products. MPTS raw cameras, raw CHERS/FIDA Raw acquisition nodes are often omitted from the signal-label list.
DERIVED Cross-diagnostic derived quantities computed from multiple primary trees. Analysis products Derived signals vary by campaign; typically analysis-level quantities only.
EDGE Edge and scrape-off-layer diagnostics and processed edge quantities. Langmuir probes, fast probes, dust \TLP_P10_CURRENT\EDGE::TOP.LPARRAY.TLP.P10.CURRENT:VALUES
\TLP_P10_VFLOAT\EDGE::TOP.LPARRAY.TLP.P10.VFLOAT:VALUES
EFIT General/legacy equilibrium reconstruction products. EFIT umbrella See EFIT01–EFIT06 for specific reconstruction variants.
EFIT01 Standard offline EFIT equilibrium reconstruction (primary reference). AEQDSK / GEQDSK results \BETAT\EFIT01::TOP.RESULTS.AEQDSK:BETAT
\AMINOR\EFIT01::TOP.RESULTS.AEQDSK:AMINOR
EFIT02-6 Alternate EFIT reconstruction with different constraints or assumptions. AEQDSK / GEQDSK results Same signal concepts as EFIT01; values differ by reconstruction setup.
EFITRT Real-time equilibrium reconstruction used for operations and control. Real-time EFIT results Lower-latency, reduced-fidelity equilibrium quantities.
EFITRT_DEV Development/testing version of real-time EFIT. RT-EFIT development Used for validation and testing of RT-EFIT changes.
ENGINEERING Machine engineering and plant subsystem measurements. EPICS, thermocouples, utilities \TC_EVV_U_1\ENGINEERING::TOP.EPICS.TC.TCSIGNALS:EVV_U_1
\TC_IBDH_L_5\ENGINEERING::TOP.EPICS.TC.TCSIGNALS:IBDH_L_5
ENG_DEV Engineering development and testing data. EPICS (dev) Development/testing signals; structure parallels ENGINEERING.
FASTMAG High-sample-rate magnetic diagnostics. Mirnov coils High-bandwidth magnetic fluctuation signals.
FUELING Gas and fueling subsystem signals. Gas injection systems Fueling command and measurement signals (label coverage limited).
GASPUFFIMGNG Gas puff imaging diagnostic data and results. Imaging, analysis Imaging-based edge fluctuation diagnostics.
LITHIUM Lithium injection and conditioning system diagnostics. Lithium systems Lithium injector and conditioning signals.
MICROWAVE Microwave diagnostics and processed analysis products. FIRETIP interferometer \DEN_FAST_FIRETIPC4\MICROWAVE::TOP.FIRETIP.ANALYSIS:FASTDENSITY4
\NE_C1_INTEG\MICROWAVE::TOP.FIRETIP.ANALYSIS:NE_C1_INTEG
MICROWAV_RAW Raw microwave acquisition data. Microwave raw signals Raw acquisition nodes are often omitted from the signal-label list.
MMWR Millimeter-wave radiometry diagnostics. Radiometry Signal-label coverage limited for this tree.
NBI Neutral beam injector subsystem signals. NB_1A–NB_2C \NB_1AF_IACCHVE\NBI::TOP.NB_1A:F_IACCHVE
\NB_1AF_VACCHVE\NBI::TOP.NB_1A:F_VACCHVE
NSTX_VALID Shot validity, screening, and QA indicators. Validation flags Shot-level validity and screening metadata.
OPERATIONS Shot-cycle, operations, and control-relevant signals. PCS, magnetics, CHI \B_L1DMPPPGU1\OPERATIONS::TOP.MAGNETICS.MIRNOV.B:BL1DMPPPGU1
\MHD_EVENN_LOWF\OPERATIONS::TOP.MAGNETICS.MIRNOV:MHD_EVENN_LOWF
OPS_PC Plasma control system (PCS) interface signals. PCS Control-system interface signals and records.
PARTICLES Particle diagnostics and analysis products. NPA diagnostics \NPA_D_TI\PARTICLES::TOP.NPA.ANALYSIS:D_TI
\NPA_FI\PARTICLES::TOP.NPA.ANALYSIS:ENERGETIC_SP
PASSIVESPEC Passive spectroscopy and radiation diagnostics (umbrella tree). D-alpha, EIES, BES, FIDA \C3_MP\PASSIVESPEC::TOP:C3 (C III midplane)
\EIES_FLEX1\PASSIVESPEC::TOP.EIES:FLEX1
PROBES Probe diagnostic signal collections. Edge probes Edge and divertor probe measurements.
PSPEC_PC Processed passive spectroscopy products. Calibrated spectroscopy Processed/calibrated spectroscopy outputs.
PSPEC_RAW Raw passive spectroscopy acquisition data. Raw spectroscopy Raw spectroscopy signals (label coverage limited).
RF RF heating and current-drive system signals. HHFW, ECH \HHFW_POWER\RF::TOP.HHFW.POWERSIGS:HHFW_POWER
\PNET1\RF::TOP.HHFW.POWERSIGS:PNET1
SFLIP SFLIP diagnostic/system signals. SFLIP Dedicated SFLIP subsystem signals.
UCLA_INTERF UCLA interferometer diagnostics. Interferometry Line-integrated density interferometer signals.
USXR Ultra-soft X-ray diagnostics. X-ray arrays Soft X-ray emissivity and fluctuation signals.
WF General waveform collection tree. Misc. waveforms Miscellaneous waveform acquisitions.