MSv4 Schema

	A	B	C	D	E	F	G
1	Optional		Done (draft)	Partial
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3	MS v2 table	MS v4 Acces Pattern	Xarray Type		Schema done	XRADIO Implementation	Comment
4	MAIN	ms_xds	dataset	correlated_xds	Done	Done	MS v2
5	SCAN	ms_xds	dataset	main	Done		MS v3
6	POLARIZATION	ms_xds.polarization	coord	polarization	Done	Done	MS v2
7	SPECTRAL_WINDOW	ms_xds.frequency	coord	frequency	Done	Done	MS v2
8	DOPPLER	ms_xds.frequency	coord	frequency	Done		MS v2
9	FIELD	ms_xds.VISIBILITY/SPECTRUM.attrs.field_and_source_xds	dataset	VISIBILITY/SPECTRUM	Partial	Partial	MS v2
10	EPHEMERIDES	ms_xds.VISIBILITY/SPECTRUM.attrs.field_and_source_xds	dataset	VISIBILITY/SPECTRUM	Partial		MS v2
11	SOURCE	ms_xds.VISIBILITY/SPECTRUM.attrs.field_and_source_xds	dataset	VISIBILITY/SPECTRUM	Partial		MS v2
12	OBSERVATION	ms_xds.attrs.observation_info	dict	main	Done		MS v2 + ASDM (ExecBlock)
13	PROCESSOR	ms_xds.attrs.processor_info	dict	main	Done		MS v2
14	STATE	ms_xds.attrs.state_info	dataset	main	Done	Partial	MS v2
15	ANTENNA	ms_xds.attrs.antenna_xds	dataset	antenna	Done	Done	MS v2
16	FEED	ms_xds.attrs.antenna_xds	dataset	antenna	Done		MS v2
17	PHASED_ARRAY	ms_xds.phased_array_xds	dataset	phased_array	Partial		MS v3
18	POINTING	ms_xds.pointing_xds	dataset	pointing	Partial	Partial	MS v2
19	SYSCAL	ms_xds.system_calibration_xds	dataset	system_calibration	Done		MS v2
20	WEATHER	ms_xds.weather_xds	dataset	weather	Done	Done	MS v2 + ASDM
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69	Should we include?
70	Annotation			ASDM
71	Antenna			ASDM
72	CalAtmosphere			ASDM
73	CalPointing			ASDM
74	CalWVR			ASDM
75	ExecBlock			ASDM
76	Receiver			ASDM
77	SBSummary			ASDM
78	Source Station			ASDM
79	Spectral Window			ASDM
80	GAIN CURVE			CASACORE issue 1039
81	PHASE_CAL			CASACORE issue 1165
82	EARTH_ORIENTATION			CASACORE issue 1307
83	BEAM	No		MS v3
84	QUALITY_FREQUENCY_STATISTICS			MS v3
85	QUALITY_BASELINE_STATISTICS			MS v3
86	QUALITY_TIME_STATISTICS			MS v3
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90	MS v4:
91	DATA_DEC_ID = 1
92	POLARIZATION_ID = 1
93	SPECTRAL_WINDOW_ID = 1
94	OBSERVATION_ID = 1
95	FIELD_ID = 1
96	SOURCE_ID = 1
97	PROCESSOR_ID = 1
98	STATE_ID = 1
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