{
  "_id": "015036",
  "classname": "Physical/chemical constituents",
  "classno": "15",
  "datawidthbits": "19",
  "name": "Atmospheric refractivity",
  "note": "(see Note 5)",
  "refvalue": "0",
  "scale": "3",
  "status": "Operational",
  "unit": "N units"
}