{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://schemas.stacspec.org/v1.1.0/item-spec/json-schema/instrument.json",
  "title": "Instrument Fields",
  "type": "object",
  "properties": {
    "platform": {
      "title": "Platform",
      "type": "string"
    },
    "instruments": {
      "title": "Instruments",
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "constellation": {
      "title": "Constellation",
      "type": "string"
    },
    "mission": {
      "title": "Mission",
      "type": "string"
    },
    "gsd": {
      "title": "Ground Sample Distance",
      "type": "number",
      "exclusiveMinimum": 0
    }
  }
}