{
  "message_count": 112,
  "counts_by_code": {
    "G": 35,
    "T": 28,
    "S": 15,
    "P": 7,
    "K": 5,
    "U": 4,
    "R": 3,
    "O": 3,
    "E": 3,
    "Q": 2,
    "L": 2,
    "J": 2,
    "V": 2,
    "C": 1
  },
  "counts_by_area": {
    "G": 35,
    "T": 28,
    "S": 15,
    "P": 7,
    "K": 5,
    "U": 4,
    "R": 3,
    "O": 3,
    "E": 3,
    "Q": 2,
    "L": 2,
    "J": 2,
    "V": 2,
    "C": 1
  },
  "keyword_counts": {
    "warning": 16,
    "fog": 11,
    "gale": 9,
    "survey": 6,
    "exercise": 2,
    "drifting": 1
  },
  "station_coverage": {
    "resolved_message_count": 68,
    "unresolved_message_count": 44,
    "resolved_station_count": 12,
    "station_rows": [
      {
        "key": "cullercoats",
        "code": "G",
        "station_name": "Cullercoats",
        "country": "United Kingdom",
        "nav_area": "I",
        "latitude": 55.0747,
        "longitude": -1.4632,
        "coverage_label": "North Sea and north-east UK coast",
        "message_count": 20,
        "basis": "station-signature",
        "matched_terms": [
          "HUMBER"
        ]
      },
      {
        "key": "pinneberg",
        "code": "S",
        "station_name": "Pinneberg",
        "country": "Germany",
        "nav_area": "I",
        "latitude": 53.675,
        "longitude": 9.8083,
        "coverage_label": "German Bight and German North Sea",
        "message_count": 14,
        "basis": "station-signature",
        "matched_terms": [
          "NCC HAMBURG"
        ]
      },
      {
        "key": "oostende",
        "code": "T",
        "station_name": "Oostende Radio",
        "country": "Belgium",
        "nav_area": "I",
        "latitude": 51.1825,
        "longitude": 2.8078,
        "coverage_label": "Belgian coast and southern North Sea",
        "message_count": 12,
        "basis": "station-signature",
        "matched_terms": [
          "OOSTENDE",
          "OOSTENDERADIO"
        ]
      },
      {
        "key": "niton_france",
        "code": "K",
        "station_name": "Niton (France relay)",
        "country": "United Kingdom / France",
        "nav_area": "I",
        "latitude": 50.5863,
        "longitude": -1.2545,
        "coverage_label": "Channel Islands and north-east French coast",
        "message_count": 5,
        "basis": "station-signature",
        "matched_terms": [
          "DOVER"
        ]
      },
      {
        "key": "mondolfo",
        "code": "U",
        "station_name": "Mondolfo",
        "country": "Italy",
        "nav_area": "III",
        "latitude": 43.7418,
        "longitude": 13.1388,
        "coverage_label": "Adriatic Sea and central Italian coast",
        "message_count": 4,
        "basis": "station-signature",
        "matched_terms": [
          "MONDOLFO RADIO"
        ]
      },
      {
        "key": "netherlands_coastguard",
        "code": "P",
        "station_name": "Netherlands Coastguard Radio",
        "country": "Netherlands",
        "nav_area": "I",
        "latitude": 52.9177,
        "longitude": 4.739,
        "coverage_label": "Dutch EEZ and southern North Sea",
        "message_count": 3,
        "basis": "station-signature",
        "matched_terms": [
          "DUTCH EEZ"
        ]
      },
      {
        "key": "oostende_thames",
        "code": "V",
        "station_name": "Oostende (Thames Approaches relay)",
        "country": "Belgium / United Kingdom",
        "nav_area": "I",
        "latitude": 51.1825,
        "longitude": 2.8078,
        "coverage_label": "Thames approaches and Dover approaches",
        "message_count": 3,
        "basis": "station-signature",
        "matched_terms": [
          "THAMES"
        ]
      },
      {
        "key": "portpatrick",
        "code": "O",
        "station_name": "Portpatrick",
        "country": "United Kingdom",
        "nav_area": "I",
        "latitude": 54.8438,
        "longitude": -5.1243,
        "coverage_label": "Irish Sea and western UK approaches",
        "message_count": 2,
        "basis": "regional-context",
        "matched_terms": [
          "MALIN"
        ]
      },
      {
        "key": "la_maddalena",
        "code": "R",
        "station_name": "La Maddalena",
        "country": "Italy",
        "nav_area": "III",
        "latitude": 41.2203,
        "longitude": 9.393,
        "coverage_label": "Tyrrhenian Sea and Sardinia approaches",
        "message_count": 2,
        "basis": "station-signature",
        "matched_terms": [
          "SARDINIA"
        ]
      },
      {
        "key": "niton",
        "code": "E",
        "station_name": "Niton",
        "country": "United Kingdom",
        "nav_area": "I",
        "latitude": 50.5863,
        "longitude": -1.2545,
        "coverage_label": "English Channel and western approaches",
        "message_count": 1,
        "basis": "regional-context",
        "matched_terms": [
          "WIGHT",
          "LUNDY"
        ]
      },
      {
        "key": "orlandet",
        "code": "N",
        "station_name": "Orlandet",
        "country": "Norway",
        "nav_area": "I",
        "latitude": 63.6617,
        "longitude": 9.5467,
        "coverage_label": "Norwegian Sea and central Norwegian coast",
        "message_count": 1,
        "basis": "station-signature-fallback",
        "matched_terms": [
          "NORWEGIAN GALE WARNING"
        ]
      },
      {
        "key": "split",
        "code": "Q",
        "station_name": "Split",
        "country": "Croatia",
        "nav_area": "III",
        "latitude": 43.1757,
        "longitude": 16.423,
        "coverage_label": "Adriatic Sea",
        "message_count": 1,
        "basis": "station-signature",
        "matched_terms": [
          "SPLIT RADIO"
        ]
      }
    ],
    "code_rows": [
      {
        "code": "G",
        "message_count": 35,
        "resolved_station_names": [
          "Cullercoats"
        ],
        "unresolved_message_count": 15
      },
      {
        "code": "T",
        "message_count": 28,
        "resolved_station_names": [
          "Oostende Radio",
          "Pinneberg",
          "Mondolfo"
        ],
        "unresolved_message_count": 14
      },
      {
        "code": "S",
        "message_count": 15,
        "resolved_station_names": [
          "Pinneberg"
        ],
        "unresolved_message_count": 3
      },
      {
        "code": "P",
        "message_count": 7,
        "resolved_station_names": [
          "Netherlands Coastguard Radio",
          "Oostende (Thames Approaches relay)"
        ],
        "unresolved_message_count": 2
      },
      {
        "code": "K",
        "message_count": 5,
        "resolved_station_names": [
          "Niton (France relay)"
        ],
        "unresolved_message_count": 0
      },
      {
        "code": "U",
        "message_count": 4,
        "resolved_station_names": [
          "Mondolfo"
        ],
        "unresolved_message_count": 1
      },
      {
        "code": "R",
        "message_count": 3,
        "resolved_station_names": [
          "La Maddalena"
        ],
        "unresolved_message_count": 1
      },
      {
        "code": "O",
        "message_count": 3,
        "resolved_station_names": [
          "Portpatrick"
        ],
        "unresolved_message_count": 1
      },
      {
        "code": "E",
        "message_count": 3,
        "resolved_station_names": [
          "Niton"
        ],
        "unresolved_message_count": 2
      },
      {
        "code": "Q",
        "message_count": 2,
        "resolved_station_names": [
          "Split"
        ],
        "unresolved_message_count": 1
      },
      {
        "code": "L",
        "message_count": 2,
        "resolved_station_names": [
          "Orlandet"
        ],
        "unresolved_message_count": 1
      },
      {
        "code": "J",
        "message_count": 2,
        "resolved_station_names": [],
        "unresolved_message_count": 2
      },
      {
        "code": "V",
        "message_count": 2,
        "resolved_station_names": [
          "Oostende (Thames Approaches relay)"
        ],
        "unresolved_message_count": 1
      },
      {
        "code": "C",
        "message_count": 1,
        "resolved_station_names": [
          "Oostende Radio"
        ],
        "unresolved_message_count": 0
      }
    ],
    "station_reference_source_label": "ITU List IV coast station table (2025)",
    "station_reference_source_url": "https://www.itu.int/en/ITU-R/terrestrial/mars/Documents/ListIV_User%20Guide%20and%20Reference%20Tables_2025.pdf",
    "global_map_source_label": "WMO NAVTEX stations map",
    "global_map_source_url": "https://wmo.int/navtex-stations"
  }
}