{
  "title": "NAVTEX Review",
  "generated_at_utc": "2026-03-24T22:12:02.535704+00:00",
  "lookback_hours": 24,
  "focus_region": "Strait of Hormuz",
  "focus_hit_count": 0,
  "message_count": 103,
  "latest_reception": "2026-03-24 23:59:51",
  "source_url": "https://navtex.lv/",
  "stale_issue_filtered_count": 57,
  "max_notice_age_hours": 24,
  "overview": {
    "message_count": 103,
    "counts_by_code": {
      "G": 43,
      "T": 17,
      "P": 7,
      "J": 6,
      "S": 6,
      "E": 5,
      "K": 4,
      "O": 4,
      "Q": 3,
      "F": 2,
      "W": 2,
      "V": 2,
      "I": 1,
      "U": 1
    },
    "counts_by_area": {
      "G": 43,
      "T": 17,
      "P": 7,
      "J": 6,
      "S": 6,
      "E": 5,
      "K": 4,
      "O": 4,
      "Q": 3,
      "F": 2,
      "W": 2,
      "V": 2,
      "I": 1,
      "U": 1
    },
    "keyword_counts": {
      "warning": 15,
      "gale": 10,
      "fog": 8,
      "exercise": 4,
      "survey": 3,
      "ais": 1
    },
    "station_coverage": {
      "resolved_message_count": 47,
      "unresolved_message_count": 56,
      "resolved_station_count": 9,
      "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": 19,
          "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": 7,
          "basis": "station-signature",
          "matched_terms": [
            "NAVTEX 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": 7,
          "basis": "station-signature",
          "matched_terms": [
            "OOSTENDE"
          ]
        },
        {
          "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": 4,
          "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": "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": 2,
          "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": 2,
          "basis": "station-signature",
          "matched_terms": [
            "AVURNAV CHERBOURG",
            "CHERBOURG"
          ]
        },
        {
          "key": "split",
          "code": "Q",
          "station_name": "Split",
          "country": "Croatia",
          "nav_area": "III",
          "latitude": 43.1757,
          "longitude": 16.423,
          "coverage_label": "Adriatic Sea",
          "message_count": 2,
          "basis": "station-signature",
          "matched_terms": [
            "SPLIT RADIO"
          ]
        },
        {
          "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": 1,
          "basis": "station-signature",
          "matched_terms": [
            "MONDOLFO RADIO"
          ]
        }
      ],
      "code_rows": [
        {
          "code": "G",
          "message_count": 43,
          "resolved_station_names": [
            "Cullercoats"
          ],
          "unresolved_message_count": 24
        },
        {
          "code": "T",
          "message_count": 17,
          "resolved_station_names": [
            "Oostende Radio",
            "Pinneberg"
          ],
          "unresolved_message_count": 9
        },
        {
          "code": "P",
          "message_count": 7,
          "resolved_station_names": [
            "Netherlands Coastguard Radio",
            "Oostende (Thames Approaches relay)"
          ],
          "unresolved_message_count": 2
        },
        {
          "code": "J",
          "message_count": 6,
          "resolved_station_names": [],
          "unresolved_message_count": 6
        },
        {
          "code": "S",
          "message_count": 6,
          "resolved_station_names": [
            "Pinneberg"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "E",
          "message_count": 5,
          "resolved_station_names": [
            "Niton"
          ],
          "unresolved_message_count": 3
        },
        {
          "code": "K",
          "message_count": 4,
          "resolved_station_names": [
            "Niton (France relay)"
          ],
          "unresolved_message_count": 2
        },
        {
          "code": "O",
          "message_count": 4,
          "resolved_station_names": [],
          "unresolved_message_count": 4
        },
        {
          "code": "Q",
          "message_count": 3,
          "resolved_station_names": [
            "Split"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "F",
          "message_count": 2,
          "resolved_station_names": [],
          "unresolved_message_count": 2
        },
        {
          "code": "W",
          "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": 0
        },
        {
          "code": "I",
          "message_count": 1,
          "resolved_station_names": [],
          "unresolved_message_count": 1
        },
        {
          "code": "U",
          "message_count": 1,
          "resolved_station_names": [
            "Mondolfo"
          ],
          "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 103 messages; dominant B1 codes were G (43), T (17), P (7); keyword concentration led by warning (15), gale (10), fog (8), exercise (4).",
      "[GB05] meteorological warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Gale now ceased but northwesterly severe gale force .51 03:53$ '99. Decoding is partial rather than complete.",
      "[KA28] navigational warning for United Kingdom / France - Channel Islands and north-east French coast. Readable text reports an aid-to-navigation fault near 50-10.84N 001-29.44E; 50-10.44N 001-29.13E. Decoding is partial rather than complete.",
      "[KA29] navigational warning for United Kingdom / France - Channel Islands and north-east French coast. Readable text reports an aid-to-navigation fault near 51-21.20N 002-17.30E. Decoding is partial rather than complete.",
      "No direct mentions were found in this corpus window."
    ],
    "main_developments": [
      "[GB05] meteorological warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Gale now ceased but northwesterly severe gale force .51 03:53$ '99. Decoding is partial rather than complete.",
      "[KA28] navigational warning for United Kingdom / France - Channel Islands and north-east French coast. Readable text reports an aid-to-navigation fault near 50-10.84N 001-29.44E; 50-10.44N 001-29.13E. Decoding is partial rather than complete.",
      "[KA29] navigational warning for United Kingdom / France - Channel Islands and north-east French coast. Readable text reports an aid-to-navigation fault near 51-21.20N 002-17.30E. Decoding is partial rather than complete.",
      "[JA12] navigational warning for Unresolved B1 code J. Readable text says: Approaches to port klaipeda entrance maintenance dredging. Decoding is partial rather than complete.",
      "[unknown] operational notice for Unresolved B1 code J. Readable text reports survey operations near 54-36.9N 012-35.9E and implies local caution around the work area. Decoding is partial rather than complete.",
      "[JB19] meteorological warning for Unresolved B1 code J. Readable text says: Near gale warning.",
      "[SB33] meteorological warning for Germany - German Bight and German North Sea. Readable text says: Warning no. 101 242105utc mar.",
      "[unknown] operational notice for United Kingdom - North Sea and north-east UK coast. Readable text says: Beryl spm3 buoy 59-31.7n 001-33.5e temporar l removed m. Decoding is partial rather than complete."
    ],
    "weather_and_sea_state": [
      "[EB53] meteorological warning for Unresolved B1 code E. Readable text says: $92 4: nw gale 8 fbmupw. Decoding is partial rather than complete.",
      "[GB05] meteorological warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Gale now ceased but northwesterly severe gale force .51 03:53$ '99. Decoding is partial rather than complete.",
      "[JB19] meteorological warning for Unresolved B1 code J. Readable text says: Near gale warning.",
      "[GA94] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text reports a fog signal outage.",
      "[GA07] 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."
    ],
    "navigation_and_safety_alerts": [
      "[GB05] meteorological warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Gale now ceased but northwesterly severe gale force .51 03:53$ '99. Decoding is partial rather than complete.",
      "[KA28] navigational warning for United Kingdom / France - Channel Islands and north-east French coast. Readable text reports an aid-to-navigation fault near 50-10.84N 001-29.44E; 50-10.44N 001-29.13E. Decoding is partial rather than complete.",
      "[KA29] navigational warning for United Kingdom / France - Channel Islands and north-east French coast. Readable text reports an aid-to-navigation fault near 51-21.20N 002-17.30E. Decoding is partial rather than complete.",
      "[JA12] navigational warning for Unresolved B1 code J. Readable text says: Approaches to port klaipeda entrance maintenance dredging. Decoding is partial rather than complete.",
      "[unknown] operational notice for Unresolved B1 code J. Readable text reports survey operations near 54-36.9N 012-35.9E and implies local caution around the work area. Decoding is partial rather than complete.",
      "[JB19] meteorological warning for Unresolved B1 code J. Readable text says: Near gale warning.",
      "[SB33] meteorological warning for Germany - German Bight and German North Sea. Readable text says: Warning no. 101 242105utc mar.",
      "[unknown] operational notice for United Kingdom - North Sea and north-east UK coast. Readable text says: Beryl spm3 buoy 59-31.7n 001-33.5e temporar l removed m. Decoding is partial rather than complete."
    ],
    "electronic_interference_and_navigation_integrity": [
      "[GA94] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text reports a fog signal outage.",
      "[GA07] 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.",
      "[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.",
      "[GA73] navigational warning for Unresolved B1 code G. Readable text says an AIS transmitter is inoperative near 56-14.3N 002-08.6W; 56-12.3N 002-09.8W. Decoding is partial rather than complete."
    ],
    "special_operations_and_military_activity": [
      "[IA99] navigational warning for Unresolved B1 code I. Readable text says: Mariners advisej to exercise caution. Decoding is partial rather than complete.",
      "[unknown] operational notice for Unresolved B1 code T. Readable text says: Shipping fishing anchorage and any surface/undey h ctivity. Decoding is partial rather than complete.",
      "[QA02] navigational warning for Croatia - Adriatic Sea. Readable text says: K mgchfsm ymg h ilitary exercises in area bounded by (wgs 84). Decoding is partial rather than complete.",
      "[JA7] navigational warning for Unresolved B1 code J. Readable text says: N area temporarily dangerous to shipping br-161. 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=30, medium=48, low=25.",
      "57 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.",
      "25 messages were classified as low decode quality and may contain damaged titles or coordinates."
    ]
  }
}