{
  "_id": "4.172",
  "name": "Product definition template 4.172 - Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time for optical properties of aerosol with source or sink",
  "values": [
    {
      "CONTENTS": "Parameter category",
      "_id": "10",
      "note": "4.1",
      "status": "Operational"
    },
    {
      "CONTENTS": "Parameter number",
      "_id": "11",
      "note": "4.2",
      "status": "Operational"
    },
    {
      "CONTENTS": "Aerosol type",
      "_id": "12-13",
      "note": "(see Common Code table C-14)",
      "status": "Operational"
    },
    {
      "CONTENTS": "Source or sink",
      "_id": "14",
      "note": "4.238",
      "status": "Operational"
    },
    {
      "CONTENTS": "Type of interval for first and second size",
      "_id": "15",
      "note": "4.91",
      "status": "Operational"
    },
    {
      "CONTENTS": "Scale factor of first size",
      "_id": "16",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Scaled value of first size in metres",
      "_id": "17-20",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Scale factor of second size",
      "_id": "21",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Scaled value of second size in metres",
      "_id": "22-25",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Type of interval for first and second wavelength",
      "_id": "26",
      "note": "4.91",
      "status": "Operational"
    },
    {
      "CONTENTS": "Scale factor of first wavelength",
      "_id": "27",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Scaled value of first wavelength in metres",
      "_id": "28-31",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Scale factor of second wavelength",
      "_id": "32",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Scaled value of second wavelength in metres",
      "_id": "33-36",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Type of generating process",
      "_id": "37",
      "note": "4.3",
      "status": "Operational"
    },
    {
      "CONTENTS": "Background generating process identifier (defined by originating centre)",
      "_id": "38",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Analysis or forecast generating process identifier (defined by originating centre)",
      "_id": "39",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Hours of observational data cut-off after reference time",
      "_id": "40-41",
      "note": "(see Note)",
      "status": "Operational"
    },
    {
      "CONTENTS": "Minutes of observational data cut-off after reference time",
      "_id": "42",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Indicator of unit of time range",
      "_id": "43",
      "note": "4.4",
      "status": "Operational"
    },
    {
      "CONTENTS": "Forecast time in units defined by octet 43",
      "_id": "44-47",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Type of first fixed surface",
      "_id": "48",
      "note": "4.5",
      "status": "Operational"
    },
    {
      "CONTENTS": "Scale factor of first fixed surface",
      "_id": "49",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Scaled value of first fixed surface",
      "_id": "50-53",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Type of second fixed surface",
      "_id": "54",
      "note": "4.5",
      "status": "Operational"
    },
    {
      "CONTENTS": "Scale factor of second fixed surface",
      "_id": "55",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Scaled value of second fixed surface",
      "_id": "56-59",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Derived forecast",
      "_id": "60",
      "note": "4.7",
      "status": "Operational"
    },
    {
      "CONTENTS": "Number of forecasts in ensemble",
      "_id": "61-64",
      "note": null,
      "status": "Operational"
    }
  ]
}