{
  "title": "NAVTEX Review",
  "generated_at_utc": "2026-04-07T23:12:03.611863+00:00",
  "lookback_hours": 24,
  "focus_region": "Strait of Hormuz",
  "focus_hit_count": 0,
  "message_count": 114,
  "latest_reception": "2026-04-07 23:55:15",
  "source_url": "https://navtex.lv/",
  "stale_issue_filtered_count": 46,
  "max_notice_age_hours": 24,
  "overview": {
    "message_count": 114,
    "counts_by_code": {
      "T": 31,
      "G": 22,
      "E": 17,
      "S": 10,
      "W": 7,
      "U": 7,
      "V": 6,
      "K": 4,
      "F": 3,
      "P": 3,
      "J": 3,
      "L": 1
    },
    "counts_by_area": {
      "T": 31,
      "G": 22,
      "E": 17,
      "S": 10,
      "W": 7,
      "U": 7,
      "V": 6,
      "K": 4,
      "F": 3,
      "P": 3,
      "J": 3,
      "L": 1
    },
    "keyword_counts": {
      "warning": 7,
      "survey": 7,
      "fog": 5,
      "gale": 5,
      "exercise": 2
    },
    "station_coverage": {
      "resolved_message_count": 53,
      "unresolved_message_count": 61,
      "resolved_station_count": 10,
      "station_rows": [
        {
          "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": "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": 9,
          "basis": "regional-context",
          "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": 8,
          "basis": "station-signature",
          "matched_terms": [
            "GERMAN BIGHT"
          ]
        },
        {
          "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": 6,
          "basis": "station-signature",
          "matched_terms": [
            "LUNDY"
          ]
        },
        {
          "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": 6,
          "basis": "station-signature",
          "matched_terms": [
            "MONDOLFO RADIO"
          ]
        },
        {
          "key": "cross_la_garde",
          "code": "W",
          "station_name": "CROSS La Garde",
          "country": "France",
          "nav_area": "III",
          "latitude": 43.1043,
          "longitude": 5.9915,
          "coverage_label": "Provence, Ligurian Sea and western Mediterranean",
          "message_count": 5,
          "basis": "station-signature",
          "matched_terms": [
            "AVURNAV TOULON"
          ]
        },
        {
          "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": 2,
          "basis": "station-signature",
          "matched_terms": [
            "AVURNAV CHERBOURG",
            "CHERBOURG"
          ]
        },
        {
          "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": 2,
          "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": 2,
          "basis": "regional-context",
          "matched_terms": [
            "DOVER"
          ]
        },
        {
          "key": "rogaland",
          "code": "L",
          "station_name": "Rogaland Radio",
          "country": "Norway",
          "nav_area": "I",
          "latitude": 58.6487,
          "longitude": 5.6097,
          "coverage_label": "South-west Norwegian coast",
          "message_count": 1,
          "basis": "regional-context",
          "matched_terms": [
            "NORWEGIAN NAV WARNING"
          ]
        }
      ],
      "code_rows": [
        {
          "code": "T",
          "message_count": 31,
          "resolved_station_names": [
            "Oostende Radio"
          ],
          "unresolved_message_count": 19
        },
        {
          "code": "G",
          "message_count": 22,
          "resolved_station_names": [
            "Cullercoats"
          ],
          "unresolved_message_count": 13
        },
        {
          "code": "E",
          "message_count": 17,
          "resolved_station_names": [
            "Niton"
          ],
          "unresolved_message_count": 11
        },
        {
          "code": "S",
          "message_count": 10,
          "resolved_station_names": [
            "Pinneberg"
          ],
          "unresolved_message_count": 2
        },
        {
          "code": "W",
          "message_count": 7,
          "resolved_station_names": [
            "CROSS La Garde"
          ],
          "unresolved_message_count": 2
        },
        {
          "code": "U",
          "message_count": 7,
          "resolved_station_names": [
            "Mondolfo"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "V",
          "message_count": 6,
          "resolved_station_names": [
            "Oostende (Thames Approaches relay)"
          ],
          "unresolved_message_count": 4
        },
        {
          "code": "K",
          "message_count": 4,
          "resolved_station_names": [
            "Niton (France relay)"
          ],
          "unresolved_message_count": 2
        },
        {
          "code": "F",
          "message_count": 3,
          "resolved_station_names": [],
          "unresolved_message_count": 3
        },
        {
          "code": "P",
          "message_count": 3,
          "resolved_station_names": [
            "Netherlands Coastguard Radio"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "J",
          "message_count": 3,
          "resolved_station_names": [],
          "unresolved_message_count": 3
        },
        {
          "code": "L",
          "message_count": 1,
          "resolved_station_names": [
            "Rogaland 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"
    }
  },
  "sections": {
    "executive_summary": [
      "The window contains 114 messages; dominant B1 codes were T (31), G (22), E (17); keyword concentration led by warning (7), survey (7), fog (5), gale (5).",
      "[EA21] navigational warning for United Kingdom - English Channel and western approaches. Readable text says: Spaniel buoy 51-38.1n 004-39.7w unlit. Decoding is partial rather than complete.",
      "[EA22] navigational warning for United Kingdom - English Channel and western approaches. Readable text reports a fog signal outage near 50-39.7N 001-35.5W. Decoding is partial rather than complete.",
      "[EA27] navigational warning for Unresolved B1 code E. Readable text says: Lavernock spit buoy 51 1. Decoding is partial rather than complete.",
      "No direct mentions were found in this corpus window."
    ],
    "main_developments": [
      "[EA21] navigational warning for United Kingdom - English Channel and western approaches. Readable text says: Spaniel buoy 51-38.1n 004-39.7w unlit. Decoding is partial rather than complete.",
      "[EA22] navigational warning for United Kingdom - English Channel and western approaches. Readable text reports a fog signal outage near 50-39.7N 001-35.5W. Decoding is partial rather than complete.",
      "[EA27] navigational warning for Unresolved B1 code E. Readable text says: Lavernock spit buoy 51 1. Decoding is partial rather than complete.",
      "[EA46] navigational warning for Unresolved B1 code E. Readable text says: Soutz cardinal buoy 50-01.2n 005-40.4w unlit.",
      "[EA49] navigational warning for Unresolved B1 code E. Readable text says: East cardinal buoy 51-55.",
      "[unknown] operational notice for Unresolved B1 code E. Readable text says: Coningbeg buoy 52-03.2n 006-38.6w off station. Decoding is partial rather than complete.",
      "[EE10] weather forecast for United Kingdom - English Channel and western approaches. This is a weather bulletin; readable sections mention fog across the covered waters. Decoding is partial rather than complete.",
      "[LA20] navigational warning for Norway - South-west Norwegian coast. Readable text says: Norwegian nav. warning 142/2026. Decoding is partial rather than complete."
    ],
    "weather_and_sea_state": [
      "[EA22] navigational warning for United Kingdom - English Channel and western approaches. Readable text reports a fog signal outage near 50-39.7N 001-35.5W. Decoding is partial rather than complete.",
      "[EB80] meteorological warning for United Kingdom - English Channel and western approaches. Readable text says: Gale warning tuesday 07 april 1546 utc. Decoding is partial rather than complete.",
      "[EE10] weather forecast for United Kingdom - English Channel and western approaches. This is a weather bulletin; readable sections mention fog across the covered waters. Decoding is partial rather than complete.",
      "[UE47] weather forecast for Italy - Adriatic Sea and central Italian coast. This is a weather bulletin; readable sections mention thunderstorms, gales across the covered waters. Decoding is partial rather than complete.",
      "[unknown] operational notice for Unresolved B1 code G. Readable text reports a fog signal outage. Decoding is partial rather than complete."
    ],
    "navigation_and_safety_alerts": [
      "[EA21] navigational warning for United Kingdom - English Channel and western approaches. Readable text says: Spaniel buoy 51-38.1n 004-39.7w unlit. Decoding is partial rather than complete.",
      "[EA22] navigational warning for United Kingdom - English Channel and western approaches. Readable text reports a fog signal outage near 50-39.7N 001-35.5W. Decoding is partial rather than complete.",
      "[EA27] navigational warning for Unresolved B1 code E. Readable text says: Lavernock spit buoy 51 1. Decoding is partial rather than complete.",
      "[EA46] navigational warning for Unresolved B1 code E. Readable text says: Soutz cardinal buoy 50-01.2n 005-40.4w unlit.",
      "[EA49] navigational warning for Unresolved B1 code E. Readable text says: East cardinal buoy 51-55.",
      "[unknown] operational notice for Unresolved B1 code E. Readable text says: Coningbeg buoy 52-03.2n 006-38.6w off station. Decoding is partial rather than complete.",
      "[EE10] weather forecast for United Kingdom - English Channel and western approaches. This is a weather bulletin; readable sections mention fog across the covered waters. Decoding is partial rather than complete.",
      "[LA20] navigational warning for Norway - South-west Norwegian coast. Readable text says: Norwegian nav. warning 142/2026. Decoding is partial rather than complete."
    ],
    "electronic_interference_and_navigation_integrity": [
      "[unknown] operational notice for Unresolved B1 code G. Readable text reports a fog signal outage. Decoding is partial rather than complete.",
      "[VA75] navigational warning for Unresolved B1 code V. This is a weather bulletin; readable sections mention fog across the covered waters. Decoding is partial rather than complete."
    ],
    "special_operations_and_military_activity": [
      "[KA40] navigational warning for Unresolved B1 code K. Readable text says: 1. firing exercise. Decoding is partial rather than complete.",
      "[JA42] navigational warning for Unresolved B1 code J. Readable text says: Due to military exercises zone is closed formjdf g and fishery. Decoding is partial rather than complete."
    ],
    "focus_region": [
      "No direct mentions were found in this corpus window."
    ],
    "confidence_and_gaps": [
      "Decode quality across the window was high=15, medium=41, low=58.",
      "46 older rebroadcast notices were removed because their internal issue times predated the 24-hour operating window.",
      "Published timestamps reflect reception time in the received corpus, not necessarily original notice issue time.",
      "Repeated or rebroadcast notices can persist inside the rolling window; message IDs are retained for traceability.",
      "58 messages were classified as low decode quality and may contain damaged titles or coordinates."
    ]
  }
}