{
  "$id": "observationlist.json",
  "$schema":"https://json-schema.org/draft/2020-12/schema",
  "title": "ObservationList",
  "type": "array",
  "description": "list of observations. Each element must be an ObservationDict, an ObservationArray or a number",
  "items": {
    "oneOf": [
      {
        "$ref": "observationdict.json"
      },
      {
        "$ref": "observationarray.json"
      },
      {
        "type": "number"
      }
    ] 
  }
}