{
  "_id": "015006",
  "classname": "Physical/chemical constituents",
  "classno": "15",
  "datawidthbits": "20",
  "name": "Log10 of number density of atmosphere",
  "refvalue": "1800000",
  "scale": "5",
  "status": "Operational",
  "unit": "log(m-3)"
}