anchor.diff:                          "ceiling": null
                       },
                       "type": "UA",
  -                    "wx": null
  -                },
  -                {
  -                    "raw": "OCF UA /OV OCF125020/TM 2035/FL110/TP B738/TB CONT MOD CHOP",
  +                    "wx_codes": []
  +                },
  +                {
  +                    "raw": "OCF UA /OV OCF125020/TM 2035/FL110/TP B738/TB CONT MOD CHOP/RM DURD",
                       "station": "OCF",
                       "time": {
                           "repr": "2035",
                           "dt": "2019-05-27T20:35:00Z"
                       },
  -                    "remarks": null,
  +                    "remarks": "DURD",
                       "aircraft": {
                           "code": "B738",
                           "type": "Boeing 737-800"
  
positive.code:                         "ceiling": null
                      },
                      "type": "UA",
                      "wx": null
                  },
                  {
                      "raw": "MCO UA /OV LEESE/TM 2030/FL120/TP B737/TB CONT MOD",
  
negative.code:                         "ceiling": null
                      },
                      "type": "UA",
                      "wx_codes": []
                  }
              ],
              "units": {
  