{
  "_id": "4.53",
  "name": "Product definition template 4.53 - partitioned parameters at a horizontal level or in a horizontal layer at a point in time",
  "values": [
    {
      "CONTENTS": "Parameter category",
      "_id": "10",
      "note": "4.1",
      "status": "Operational"
    },
    {
      "CONTENTS": "Parameter number",
      "_id": "11",
      "note": "4.2",
      "status": "Operational"
    },
    {
      "CONTENTS": "Partition Table Number (PTN)",
      "_id": "12",
      "note": "(see Notes 1 and 3)",
      "status": "Operational"
    },
    {
      "CONTENTS": "Number of Partitions (NP)",
      "_id": "13",
      "note": "(see Note 1)",
      "status": "Operational"
    },
    {
      "CONTENTS": "Partition set (list all partition numbers in the partition)",
      "_id": "14-(14+2NP-1)",
      "note": "(see Code table 4.PTN and Note 1)",
      "status": "Operational"
    },
    {
      "CONTENTS": "Partition number (PN)",
      "_id": "(14+2NP)-(15+2NP)",
      "note": "(see Code table 4.PTN and Note 3)",
      "status": "Operational"
    },
    {
      "CONTENTS": "Type of generating process",
      "_id": "(16+2NP)",
      "note": "4.3",
      "status": "Operational"
    },
    {
      "CONTENTS": "Background generating process identifier (defined by originating centre)",
      "_id": "(17+2NP)",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Analysis or forecast generating process identifier (defined by originating centre)",
      "_id": "(18+2NP)",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Hours of observational data cut-off after reference time",
      "_id": "(19+2NP)-(20+2NP)",
      "note": "(see Note 1)",
      "status": "Operational"
    },
    {
      "CONTENTS": "Minutes of observational data cut-off after reference time",
      "_id": "(21+2NP)",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Indicator of unit of time range",
      "_id": "(22+2NP)",
      "note": "4.4",
      "status": "Operational"
    },
    {
      "CONTENTS": "Forecast time in units defined by previous octet",
      "_id": "(23+2NP)-(26+2NP)",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Type of first fixed surface",
      "_id": "(27+2NP)",
      "note": "4.5",
      "status": "Operational"
    },
    {
      "CONTENTS": "Scale factor of first fixed surface",
      "_id": "(28+2NP)",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Scaled value of first fixed surface",
      "_id": "(29+2NP)-(32+2NP)",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Type of second fixed surface",
      "_id": "(33+2NP)",
      "note": "4.5",
      "status": "Operational"
    },
    {
      "CONTENTS": "Scale factor of second fixed surface",
      "_id": "(34+2NP)",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Scaled value of second fixed surface",
      "_id": "(35+2NP)-(38+2NP)",
      "note": null,
      "status": "Operational"
    }
  ]
}