{
  "title": "NAVTEX Review",
  "generated_at_utc": "2026-04-09T02:12:04.135161+00:00",
  "lookback_hours": 24,
  "focus_region": "Strait of Hormuz",
  "focus_hit_count": 0,
  "message_count": 129,
  "latest_reception": "2026-04-09 05:05:05",
  "source_url": "https://navtex.lv/",
  "stale_issue_filtered_count": 31,
  "max_notice_age_hours": 24,
  "overview": {
    "message_count": 129,
    "counts_by_code": {
      "G": 27,
      "E": 18,
      "T": 15,
      "L": 11,
      "J": 9,
      "S": 8,
      "K": 7,
      "M": 6,
      "R": 5,
      "F": 4,
      "V": 3,
      "U": 3,
      "O": 3,
      "N": 3,
      "Q": 2,
      "H": 2,
      "W": 1,
      "P": 1,
      "D": 1
    },
    "counts_by_area": {
      "G": 27,
      "E": 18,
      "T": 15,
      "L": 11,
      "J": 9,
      "S": 8,
      "K": 7,
      "M": 6,
      "R": 5,
      "F": 4,
      "V": 3,
      "U": 3,
      "O": 3,
      "N": 3,
      "Q": 2,
      "H": 2,
      "W": 1,
      "P": 1,
      "D": 1
    },
    "keyword_counts": {
      "warning": 21,
      "gale": 13,
      "fog": 11,
      "survey": 5,
      "exercise": 3,
      "storm": 1,
      "ais": 1
    },
    "station_coverage": {
      "resolved_message_count": 67,
      "unresolved_message_count": 62,
      "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": 18,
          "basis": "station-signature",
          "matched_terms": [
            "DOGGER"
          ]
        },
        {
          "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": 9,
          "basis": "regional-context",
          "matched_terms": [
            "WIGHT",
            "LUNDY",
            "PORTLAND"
          ]
        },
        {
          "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": 7,
          "basis": "station-signature",
          "matched_terms": [
            "AVURNAV CHERBOURG",
            "CHERBOURG"
          ]
        },
        {
          "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": 7,
          "basis": "station-signature",
          "matched_terms": [
            "GERMAN BIGHT"
          ]
        },
        {
          "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": 5,
          "basis": "station-signature",
          "matched_terms": [
            "NORWEGIAN GALE WARNING"
          ]
        },
        {
          "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": 5,
          "basis": "station-signature",
          "matched_terms": [
            "LA MADDALENA"
          ]
        },
        {
          "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": 4,
          "basis": "regional-context",
          "matched_terms": [
            "NORWEGIAN NAV WARNING"
          ]
        },
        {
          "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": "sellia_marina",
          "code": "V",
          "station_name": "Sellia Marina",
          "country": "Italy",
          "nav_area": "III",
          "latitude": 38.8702,
          "longitude": 16.718,
          "coverage_label": "Ionian Sea and Strait of Messina",
          "message_count": 3,
          "basis": "station-signature",
          "matched_terms": [
            "SELLIA MARINA"
          ]
        },
        {
          "key": "irakleio",
          "code": "H",
          "station_name": "Irakleio",
          "country": "Greece",
          "nav_area": "III",
          "latitude": 35.3222,
          "longitude": 25.7487,
          "coverage_label": "Eastern Mediterranean and Crete",
          "message_count": 2,
          "basis": "station-signature",
          "matched_terms": [
            "IRAKLEIO"
          ]
        },
        {
          "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": 2,
          "basis": "station-signature",
          "matched_terms": [
            "OOSTENDE",
            "OOSTENDERADIO"
          ]
        },
        {
          "key": "malin_head",
          "code": "Q",
          "station_name": "Malin Head",
          "country": "Ireland",
          "nav_area": "I",
          "latitude": 55.3633,
          "longitude": -7.3398,
          "coverage_label": "North-west approaches to Ireland",
          "message_count": 1,
          "basis": "station-signature",
          "matched_terms": [
            "MALIN HEAD"
          ]
        }
      ],
      "code_rows": [
        {
          "code": "G",
          "message_count": 27,
          "resolved_station_names": [
            "Cullercoats"
          ],
          "unresolved_message_count": 9
        },
        {
          "code": "E",
          "message_count": 18,
          "resolved_station_names": [
            "Niton"
          ],
          "unresolved_message_count": 9
        },
        {
          "code": "T",
          "message_count": 15,
          "resolved_station_names": [
            "Oostende Radio",
            "Orlandet",
            "Mondolfo"
          ],
          "unresolved_message_count": 11
        },
        {
          "code": "L",
          "message_count": 11,
          "resolved_station_names": [
            "Rogaland Radio",
            "Orlandet"
          ],
          "unresolved_message_count": 6
        },
        {
          "code": "J",
          "message_count": 9,
          "resolved_station_names": [],
          "unresolved_message_count": 9
        },
        {
          "code": "S",
          "message_count": 8,
          "resolved_station_names": [
            "Pinneberg"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "K",
          "message_count": 7,
          "resolved_station_names": [
            "Niton (France relay)"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "M",
          "message_count": 6,
          "resolved_station_names": [],
          "unresolved_message_count": 6
        },
        {
          "code": "R",
          "message_count": 5,
          "resolved_station_names": [
            "La Maddalena"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "F",
          "message_count": 4,
          "resolved_station_names": [],
          "unresolved_message_count": 4
        },
        {
          "code": "V",
          "message_count": 3,
          "resolved_station_names": [
            "Sellia Marina"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "U",
          "message_count": 3,
          "resolved_station_names": [
            "Mondolfo"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "O",
          "message_count": 3,
          "resolved_station_names": [],
          "unresolved_message_count": 3
        },
        {
          "code": "N",
          "message_count": 3,
          "resolved_station_names": [
            "Orlandet"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "Q",
          "message_count": 2,
          "resolved_station_names": [
            "Malin Head"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "H",
          "message_count": 2,
          "resolved_station_names": [
            "Irakleio"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "W",
          "message_count": 1,
          "resolved_station_names": [],
          "unresolved_message_count": 1
        },
        {
          "code": "P",
          "message_count": 1,
          "resolved_station_names": [],
          "unresolved_message_count": 1
        },
        {
          "code": "D",
          "message_count": 1,
          "resolved_station_names": [],
          "unresolved_message_count": 1
        }
      ],
      "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 129 messages; dominant B1 codes were G (27), E (18), T (15); keyword concentration led by warning (21), gale (13), fog (11), survey (5).",
      "[unknown] operational notice for Unresolved B1 code M. Readable text says: V. warning 94/2026. Decoding is partial rather than complete.",
      "[ME22] weather forecast for Unresolved B1 code M. Readable text says: Fisher: se gale 8 fm thu 18utc to fri 00/75. Decoding is partial rather than complete.",
      "[LA19] navigational warning for Norway - South-west Norwegian coast. Readable text says: Norwegian nav. warning 141/2026. Decoding is partial rather than complete.",
      "No direct mentions were found in this corpus window."
    ],
    "main_developments": [
      "[unknown] operational notice for Unresolved B1 code M. Readable text says: V. warning 94/2026. Decoding is partial rather than complete.",
      "[ME22] weather forecast for Unresolved B1 code M. Readable text says: Fisher: se gale 8 fm thu 18utc to fri 00/75. Decoding is partial rather than complete.",
      "[LA19] navigational warning for Norway - South-west Norwegian coast. Readable text says: Norwegian nav. warning 141/2026. Decoding is partial rather than complete.",
      "[LAVWP] navigational warning for Unresolved B1 code L. Readable text says: Ternoeyna upper leading light 61-45. ' 005-08.0$/ 7,)85. Decoding is partial rather than complete.",
      "[LA22] navigational warning for Norway - South-west Norwegian coast. Readable text says: Flesi light 60-40.59n 004-53.37e is unlit. Decoding is partial rather than complete.",
      "[LA15] navigational warning for Norway - South-west Norwegian coast. Readable text says: Starboard hand light buoy 57-36.1n. Decoding is partial rather than complete.",
      "[unknown] operational notice for Norway - Norwegian Sea and central Norwegian coast. Readable text says: Se gale 8, ocnl sev gale 9. rough or very rough. rain,,59. Decoding is partial rather than complete.",
      "[KA28] navigational warning for United Kingdom / France - Channel Islands and north-east French coast. Readable text sets local operating restrictions near 50-10.44N 001-29.13E; 50-13.61N 001-21.02E, including anchoring, fishing, or towing limits. Decoding is partial rather than complete."
    ],
    "weather_and_sea_state": [
      "[ME22] weather forecast for Unresolved B1 code M. Readable text says: Fisher: se gale 8 fm thu 18utc to fri 00/75. Decoding is partial rather than complete.",
      "[unknown] operational notice for Norway - Norwegian Sea and central Norwegian coast. Readable text says: Se gale 8, ocnl sev gale 9. rough or very rough. rain,,59. Decoding is partial rather than complete.",
      "[GA61] navigational warning for Unresolved B1 code G. This is a weather bulletin; readable sections mention fog across the covered waters. Decoding is partial rather than complete.",
      "[GA94] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text reports a fog signal outage. Decoding is partial rather than complete.",
      "[GA07] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text reports a fog signal outage near 53-11.9N 002-29.1E."
    ],
    "navigation_and_safety_alerts": [
      "[unknown] operational notice for Unresolved B1 code M. Readable text says: V. warning 94/2026. Decoding is partial rather than complete.",
      "[ME22] weather forecast for Unresolved B1 code M. Readable text says: Fisher: se gale 8 fm thu 18utc to fri 00/75. Decoding is partial rather than complete.",
      "[LA19] navigational warning for Norway - South-west Norwegian coast. Readable text says: Norwegian nav. warning 141/2026. Decoding is partial rather than complete.",
      "[LAVWP] navigational warning for Unresolved B1 code L. Readable text says: Ternoeyna upper leading light 61-45. ' 005-08.0$/ 7,)85. Decoding is partial rather than complete.",
      "[LA22] navigational warning for Norway - South-west Norwegian coast. Readable text says: Flesi light 60-40.59n 004-53.37e is unlit. Decoding is partial rather than complete.",
      "[LA15] navigational warning for Norway - South-west Norwegian coast. Readable text says: Starboard hand light buoy 57-36.1n. Decoding is partial rather than complete.",
      "[unknown] operational notice for Norway - Norwegian Sea and central Norwegian coast. Readable text says: Se gale 8, ocnl sev gale 9. rough or very rough. rain,,59. Decoding is partial rather than complete.",
      "[KA28] navigational warning for United Kingdom / France - Channel Islands and north-east French coast. Readable text sets local operating restrictions near 50-10.44N 001-29.13E; 50-13.61N 001-21.02E, including anchoring, fishing, or towing limits. Decoding is partial rather than complete."
    ],
    "electronic_interference_and_navigation_integrity": [
      "[MA20] navigational warning for Unresolved B1 code M. Readable text says: Danish nav warn 194/26.",
      "[GA94] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text reports a fog signal outage. Decoding is partial rather than complete.",
      "[GA07] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text reports a fog signal outage near 53-11.9N 002-29.1E.",
      "[GA18] navigational warning for Unresolved B1 code G. Readable text says an AIS transmitter is inoperative near 56-12.3N 002-09.8W."
    ],
    "special_operations_and_military_activity": [
      "[KA40] navigational warning for United Kingdom / France - Channel Islands and north-east French coast. Readable text says: 1. firing exercise. Decoding is partial rather than complete.",
      "[RA21] navigational warning for Italy - Tyrrhenian Sea and Sardinia approaches. Readable text says: Af smtarried out a firing military activities in the sea area. Decoding is partial rather than complete.",
      "[KA40] navigational warning for United Kingdom / France - Channel Islands and north-east French coast. Readable text says: 1. firing exercise. Decoding is partial rather than complete.",
      "[unknown] operational notice for Unresolved B1 code Q. Readable text says: 55-54.00n 019-03.00e 55-30.00m paqtmppe. 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=27, medium=50, low=52.",
      "31 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.",
      "52 messages were classified as low decode quality and may contain damaged titles or coordinates."
    ]
  }
}