{"type": "object", "properties": {"CONSTRAINTID": {"type": "string", "examples": ["F_T+LREG_0050", "F_T+RREG_0050", "F_TASCAP_LREG_0210", "F_TASCAP_RREG_0220"], "description": "Constraint ID (binding constraint ID from FCAS data used in FPP calculations)"}, "INTERVAL_DATETIME": {"type": "string", "examples": ["2026/09/01 00:05:00"], "format": "date-time", "description": "Date and time of the trading interval (DD/MM/YYYY HH24:MI:SS) fixed to the UTC+10 time zone (NEM time)"}, "MEASUREMENT_DATETIME": {"type": "string", "examples": ["2026/09/01 00:00:04"], "format": "date-time", "description": "Date and time of the SCADA data (DD/MM/YYYY HH24:MI:SS) fixed to the UTC+10 time zone (NEM time)"}, "VERSIONNO": {"type": "integer", "examples": ["1"], "minimum": 0, "maximum": 4294967295, "description": "Version (FPP run number from the FPP database)"}, "BIDTYPE": {"type": "string", "enum": ["ENERGY", "LOWERREG", "LOWER60SEC", "RAISE5MIN", "LOWER5MIN", "LOWER6SEC", "RAISE60SEC", "RAISE6SEC", "RAISEREG", "RAISE1SEC", "LOWER1SEC"], "description": "Bid type (the bid type saved in relation to constraint ID from FCAS data used in FPP calculations)\nTIP: The meaning of these values is documented in the `BIDTYPES` table."}, "CORRELATION_FLAG": {"type": "boolean", "examples": ["0"], "description": "Flag to indicate the result of the Frequency Measure correlation check between regions in the same constraint. Supported values are: 0 = Frequency measures in this constraint are not correlated (e.g. system separation between two regions) 1 = Frequency measures in this constraint are correlated"}, "FM_LOWER_HZ": {"type": "number", "examples": ["-0.00005132", "0", "-0.02822295"], "description": "Calculated 4 second Frequency Measure in Hz for that constraint from the FPP database. Frequency Measure data is split across these two raise and lower columns in the following ways: >0 = Allocated to the FM_RAISE_HZ column <0 = Allocated to the FM_LOWER_HZ column 0 = To fill any gaps where the alternative column is not applicable (or no deviation from 50 Hz)"}, "FM_RAISE_HZ": {"type": "number", "examples": ["0.00000727", "0", "0.04382655"], "description": "Calculated 4 second Frequency Measure in Hz for that constraint from the FPP database. Frequency Measure data is split across these two raise and lower columns in the following ways: >0 = Allocated to the FM_RAISE_HZ column <0 = Allocated to the FM_LOWER_HZ column 0 = To fill any gaps where the alternative column is not applicable (or no deviation from 50 Hz)"}, "LASTCHANGED": {"type": "string", "examples": ["2026/09/01 00:10:20"], "format": "date-time", "description": "Last date and time record changed"}, "USED_IN_RCR_FLAG": {"type": "boolean", "examples": ["1"], "description": "Flag to indicate the result of the Frequency Measure alignment check between Mainland and Tasmania for global constraints. Supported values are: 0 = Not used in RCR calculation as the signs for the frequency measures between Mainland and Tasmania do not align 1 = Used in the RCR calculation as the signs for the frequency measures between Mainland and Tasmania do align in the case of global constraints. For non-global constraints this flag is set to 1"}}, "required": ["CONSTRAINTID", "INTERVAL_DATETIME", "MEASUREMENT_DATETIME", "VERSIONNO"], "description": "This report delivers the weighted 4 second frequency measure data for each constraint"}