{
  "title": "NAVTEX Review",
  "generated_at_utc": "2026-03-27T12:12:03.637825+00:00",
  "lookback_hours": 24,
  "focus_region": "Strait of Hormuz",
  "focus_hit_count": 0,
  "message_count": 110,
  "latest_reception": "2026-03-27 13:33:06",
  "source_url": "https://navtex.lv/",
  "stale_issue_filtered_count": 50,
  "max_notice_age_hours": 24,
  "overview": {
    "message_count": 110,
    "counts_by_code": {
      "G": 36,
      "T": 23,
      "S": 11,
      "E": 7,
      "V": 5,
      "W": 5,
      "U": 5,
      "K": 4,
      "J": 4,
      "N": 3,
      "O": 2,
      "A": 1,
      "P": 1,
      "Q": 1,
      "Z": 1,
      "L": 1
    },
    "counts_by_area": {
      "G": 36,
      "T": 23,
      "S": 11,
      "E": 7,
      "V": 5,
      "W": 5,
      "U": 5,
      "K": 4,
      "J": 4,
      "N": 3,
      "O": 2,
      "A": 1,
      "P": 1,
      "Q": 1,
      "Z": 1,
      "L": 1
    },
    "keyword_counts": {
      "warning": 15,
      "fog": 7,
      "gale": 6,
      "survey": 6,
      "ais": 3,
      "drifting": 2,
      "exercise": 2
    },
    "station_coverage": {
      "resolved_message_count": 60,
      "unresolved_message_count": 50,
      "resolved_station_count": 11,
      "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": "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": 9,
          "basis": "station-signature",
          "matched_terms": [
            "OOSTENDE",
            "OOSTENDERADIO"
          ]
        },
        {
          "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",
            "GW EMS"
          ]
        },
        {
          "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": [
            "LIGURE"
          ]
        },
        {
          "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": "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": 4,
          "basis": "station-signature",
          "matched_terms": [
            "GUNFLEET",
            "GUNFLEET SANDS"
          ]
        },
        {
          "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": 3,
          "basis": "regional-context",
          "matched_terms": [
            "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": 3,
          "basis": "station-signature",
          "matched_terms": [
            "CAYEUX SUR MER",
            "WIGHT LARGE CAYEUX SUR MER"
          ]
        },
        {
          "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": 2,
          "basis": "station-signature",
          "matched_terms": [
            "STOREGGA",
            "HALTEN BANK"
          ]
        },
        {
          "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"
          ]
        },
        {
          "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": 1,
          "basis": "station-signature",
          "matched_terms": [
            "SELLIA MARINA"
          ]
        }
      ],
      "code_rows": [
        {
          "code": "G",
          "message_count": 36,
          "resolved_station_names": [
            "Cullercoats"
          ],
          "unresolved_message_count": 16
        },
        {
          "code": "T",
          "message_count": 23,
          "resolved_station_names": [
            "Oostende Radio",
            "CROSS La Garde"
          ],
          "unresolved_message_count": 13
        },
        {
          "code": "S",
          "message_count": 11,
          "resolved_station_names": [
            "Pinneberg"
          ],
          "unresolved_message_count": 3
        },
        {
          "code": "E",
          "message_count": 7,
          "resolved_station_names": [
            "Niton"
          ],
          "unresolved_message_count": 4
        },
        {
          "code": "V",
          "message_count": 5,
          "resolved_station_names": [
            "Oostende (Thames Approaches relay)",
            "Sellia Marina"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "W",
          "message_count": 5,
          "resolved_station_names": [
            "CROSS La Garde"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "U",
          "message_count": 5,
          "resolved_station_names": [
            "Mondolfo"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "K",
          "message_count": 4,
          "resolved_station_names": [
            "Niton (France relay)"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "J",
          "message_count": 4,
          "resolved_station_names": [],
          "unresolved_message_count": 4
        },
        {
          "code": "N",
          "message_count": 3,
          "resolved_station_names": [
            "Orlandet"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "O",
          "message_count": 2,
          "resolved_station_names": [],
          "unresolved_message_count": 2
        },
        {
          "code": "A",
          "message_count": 1,
          "resolved_station_names": [],
          "unresolved_message_count": 1
        },
        {
          "code": "P",
          "message_count": 1,
          "resolved_station_names": [],
          "unresolved_message_count": 1
        },
        {
          "code": "Q",
          "message_count": 1,
          "resolved_station_names": [
            "Split"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "Z",
          "message_count": 1,
          "resolved_station_names": [],
          "unresolved_message_count": 1
        },
        {
          "code": "L",
          "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 110 messages; dominant B1 codes were G (36), T (23), S (11); keyword concentration led by warning (15), fog (7), gale (6), survey (6).",
      "[TA96] navigational warning for Unresolved B1 code T. Readable text reports seabed obstacles and warns against anchoring or fishing nearby. Decoding is partial rather than complete.",
      "[TA13] navigational warning for Unresolved B1 code T. Readable text says: Lightbuoy vg5, 51-24.73n 002-56.78e drifting. Decoding is partial rather than complete.",
      "[SA34] navigational warning for Germany - German Bight and German North Sea. Readable text says: 'gw/ems' light-vessel 54-10n 006-21e temporarily removed. Decoding is partial rather than complete.",
      "No direct mentions were found in this corpus window."
    ],
    "main_developments": [
      "[TA96] navigational warning for Unresolved B1 code T. Readable text reports seabed obstacles and warns against anchoring or fishing nearby. Decoding is partial rather than complete.",
      "[TA13] navigational warning for Unresolved B1 code T. Readable text says: Lightbuoy vg5, 51-24.73n 002-56.78e drifting. Decoding is partial rather than complete.",
      "[SA34] navigational warning for Germany - German Bight and German North Sea. Readable text says: 'gw/ems' light-vessel 54-10n 006-21e temporarily removed. Decoding is partial rather than complete.",
      "[SA74] navigational warning for Germany - German Bight and German North Sea. Readable text says: V uzmgz yw smgyponiii kg zbcshpwongl m hptmhyj nrb) m the complete texts of all in- force navtex- area (s) warnings. Decoding is partial rather than complete.",
      "[GB11] meteorological warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Gale force 8 veering westerly and increasing severe gale force 9 later. 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.",
      "[GA82] navigational warning for Unresolved B1 code G. Readable text says: Bery mz sm fp w mbsne kb e buoy tzxhnb)9, ,,3,! orarily removed. Decoding is partial rather than complete.",
      "[GA96] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Dudgeon so tzntc em hp n 001-25.6e unlit. Decoding is partial rather than complete."
    ],
    "weather_and_sea_state": [
      "[GB11] meteorological warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Gale force 8 veering westerly and increasing severe gale force 9 later. 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.",
      "[VA63] navigational warning for Belgium / United Kingdom - Thames approaches and Dover approaches. Readable text reports a fog signal outage near 52-09.8N 002-33.5E. Decoding is partial rather than complete.",
      "[GA89] navigational warning for United Kingdom - North Sea and north-east UK coast. This is a weather bulletin; readable sections mention fog across the covered waters.",
      "[GA61] navigational warning for Unresolved B1 code G. This is a weather bulletin; readable sections mention fog across the covered waters."
    ],
    "navigation_and_safety_alerts": [
      "[TA96] navigational warning for Unresolved B1 code T. Readable text reports seabed obstacles and warns against anchoring or fishing nearby. Decoding is partial rather than complete.",
      "[TA13] navigational warning for Unresolved B1 code T. Readable text says: Lightbuoy vg5, 51-24.73n 002-56.78e drifting. Decoding is partial rather than complete.",
      "[SA34] navigational warning for Germany - German Bight and German North Sea. Readable text says: 'gw/ems' light-vessel 54-10n 006-21e temporarily removed. Decoding is partial rather than complete.",
      "[SA74] navigational warning for Germany - German Bight and German North Sea. Readable text says: V uzmgz yw smgyponiii kg zbcshpwongl m hptmhyj nrb) m the complete texts of all in- force navtex- area (s) warnings. Decoding is partial rather than complete.",
      "[GB11] meteorological warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Gale force 8 veering westerly and increasing severe gale force 9 later. 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.",
      "[GA82] navigational warning for Unresolved B1 code G. Readable text says: Bery mz sm fp w mbsne kb e buoy tzxhnb)9, ,,3,! orarily removed. Decoding is partial rather than complete.",
      "[GA96] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Dudgeon so tzntc em hp n 001-25.6e unlit. Decoding is partial rather than complete."
    ],
    "electronic_interference_and_navigation_integrity": [
      "[GA73] navigational warning for Unresolved B1 code G. Readable text says an AIS transmitter is inoperative near 56-14.3N 002-08.6W.",
      "[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.",
      "[VA63] navigational warning for Belgium / United Kingdom - Thames approaches and Dover approaches. Readable text reports a fog signal outage near 52-09.8N 002-33.5E. 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; 50-15.86N 001-19.41E. Decoding is partial rather than complete."
    ],
    "special_operations_and_military_activity": [
      "[TA14] navigational warning for Belgium - Belgian coast and southern North Sea. Readable text says: Gunnery exercises in the small sector of lombardsijde.",
      "[TA14] navigational warning for Belgium - Belgian coast and southern North Sea. Readable text says: Gunnery exercises in the small sector of lombardsijde.",
      "[UA28] navigational warning for Unresolved B1 code U. Readable text says: Transit, anchorage and fishing are prohibited. Decoding is partial rather than complete.",
      "[UA27] navigational warning for Italy - Adriatic Sea and central Italian coast. Readable text says: Coastal warning wxwy feb 25 (6 repetition). Decoding is partial rather than complete.",
      "[JA42] navigational warning for Unresolved B1 code J. Readable text says: Fm 0600 to 1200 utc, live firing will be. 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=42, medium=50, low=18.",
      "50 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.",
      "18 messages were classified as low decode quality and may contain damaged titles or coordinates."
    ]
  }
}