{
  "title": "NAVTEX Review",
  "generated_at_utc": "2026-04-02T21:12:04.190411+00:00",
  "lookback_hours": 24,
  "focus_region": "Strait of Hormuz",
  "focus_hit_count": 0,
  "message_count": 123,
  "latest_reception": "2026-04-02 23:51:46",
  "source_url": "https://navtex.lv/",
  "stale_issue_filtered_count": 37,
  "max_notice_age_hours": 24,
  "overview": {
    "message_count": 123,
    "counts_by_code": {
      "G": 57,
      "T": 29,
      "S": 12,
      "E": 6,
      "P": 6,
      "F": 4,
      "V": 3,
      "J": 2,
      "K": 2,
      "U": 1,
      "D": 1
    },
    "counts_by_area": {
      "G": 57,
      "T": 29,
      "S": 12,
      "E": 6,
      "P": 6,
      "F": 4,
      "V": 3,
      "J": 2,
      "K": 2,
      "U": 1,
      "D": 1
    },
    "keyword_counts": {
      "fog": 10,
      "warning": 6,
      "gale": 6,
      "survey": 6,
      "ais": 3,
      "exercise": 2
    },
    "station_coverage": {
      "resolved_message_count": 74,
      "unresolved_message_count": 49,
      "resolved_station_count": 8,
      "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": 39,
          "basis": "station-signature",
          "matched_terms": [
            "HUMBER",
            "BESSEMER GAS FIELD"
          ]
        },
        {
          "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": 12,
          "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": 12,
          "basis": "station-signature",
          "matched_terms": [
            "OOSTENDE",
            "OOSTENDERADIO"
          ]
        },
        {
          "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": [
            "WIGHT",
            "PORTLAND"
          ]
        },
        {
          "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_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": "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": 57,
          "resolved_station_names": [
            "Cullercoats"
          ],
          "unresolved_message_count": 18
        },
        {
          "code": "T",
          "message_count": 29,
          "resolved_station_names": [
            "Oostende Radio",
            "Pinneberg"
          ],
          "unresolved_message_count": 16
        },
        {
          "code": "S",
          "message_count": 12,
          "resolved_station_names": [
            "Pinneberg"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "E",
          "message_count": 6,
          "resolved_station_names": [
            "Niton"
          ],
          "unresolved_message_count": 3
        },
        {
          "code": "P",
          "message_count": 6,
          "resolved_station_names": [
            "Netherlands Coastguard Radio"
          ],
          "unresolved_message_count": 4
        },
        {
          "code": "F",
          "message_count": 4,
          "resolved_station_names": [],
          "unresolved_message_count": 4
        },
        {
          "code": "V",
          "message_count": 3,
          "resolved_station_names": [
            "Oostende (Thames Approaches relay)"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "J",
          "message_count": 2,
          "resolved_station_names": [],
          "unresolved_message_count": 2
        },
        {
          "code": "K",
          "message_count": 2,
          "resolved_station_names": [
            "Niton (France relay)"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "U",
          "message_count": 1,
          "resolved_station_names": [
            "Mondolfo"
          ],
          "unresolved_message_count": 0
        },
        {
          "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 123 messages; dominant B1 codes were G (57), T (29), S (12); keyword concentration led by fog (10), warning (6), gale (6), survey (6).",
      "[unknown] operational notice for United Kingdom - English Channel and western approaches. Readable text says: Spaniel buoy 51-38.1 $, 0 3-39.7 2 7')85. Decoding is partial rather than complete.",
      "[VA63] navigational warning for Belgium / United Kingdom - Thames approaches and Dover approaches. This is a weather bulletin; readable sections mention fog across the covered waters. Decoding is partial rather than complete.",
      "[unknown] operational notice for Unresolved B1 code T. Readable text reports a pipeline-related hazard with local restrictions for nearby traffic. Decoding is partial rather than complete.",
      "No direct mentions were found in this corpus window."
    ],
    "main_developments": [
      "[unknown] operational notice for United Kingdom - English Channel and western approaches. Readable text says: Spaniel buoy 51-38.1 $, 0 3-39.7 2 7')85. Decoding is partial rather than complete.",
      "[VA63] navigational warning for Belgium / United Kingdom - Thames approaches and Dover approaches. This is a weather bulletin; readable sections mention fog across the covered waters. Decoding is partial rather than complete.",
      "[unknown] operational notice for Unresolved B1 code T. Readable text reports a pipeline-related hazard with local restrictions for nearby traffic. Decoding is partial rather than complete.",
      "[SA81] navigational warning for Germany - German Bight and German North Sea. Readable text reports an aid-to-navigation fault. Decoding is partial rather than complete.",
      "[SA83] navigational warning for Germany - German Bight and German North Sea. Readable text says: Survey operatiojmlem. Decoding is partial rather than complete.",
      "[unknown] operational notice for United Kingdom - North Sea and north-east UK coast. This is a weather bulletin; readable sections mention fog across the covered waters.",
      "[GA96] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Dudgeon south buoy 53-12.5n 001-25 6 0.:'! (1 0. Decoding is partial rather than complete.",
      "[GA61] 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."
    ],
    "weather_and_sea_state": [
      "[VA63] navigational warning for Belgium / United Kingdom - Thames approaches and Dover approaches. This is a weather bulletin; readable sections mention fog across the covered waters. Decoding is partial rather than complete.",
      "[UE37] weather forecast for Italy - Adriatic Sea and central Italian coast. This is a weather bulletin; readable sections mention gales, rain across the covered waters. Decoding is partial rather than complete.",
      "[unknown] operational notice 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 United Kingdom - North Sea and north-east UK coast. This is a weather bulletin; readable sections mention fog across the covered waters.",
      "[GB32] meteorological warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Southeasterly gale force 8 expected soon, increasing severe gale force 9 later. Decoding is partial rather than complete."
    ],
    "navigation_and_safety_alerts": [
      "[unknown] operational notice for United Kingdom - English Channel and western approaches. Readable text says: Spaniel buoy 51-38.1 $, 0 3-39.7 2 7')85. Decoding is partial rather than complete.",
      "[VA63] navigational warning for Belgium / United Kingdom - Thames approaches and Dover approaches. This is a weather bulletin; readable sections mention fog across the covered waters. Decoding is partial rather than complete.",
      "[unknown] operational notice for Unresolved B1 code T. Readable text reports a pipeline-related hazard with local restrictions for nearby traffic. Decoding is partial rather than complete.",
      "[SA81] navigational warning for Germany - German Bight and German North Sea. Readable text reports an aid-to-navigation fault. Decoding is partial rather than complete.",
      "[SA83] navigational warning for Germany - German Bight and German North Sea. Readable text says: Survey operatiojmlem. Decoding is partial rather than complete.",
      "[unknown] operational notice for United Kingdom - North Sea and north-east UK coast. This is a weather bulletin; readable sections mention fog across the covered waters.",
      "[GA96] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Dudgeon south buoy 53-12.5n 001-25 6 0.:'! (1 0. Decoding is partial rather than complete.",
      "[GA61] 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."
    ],
    "electronic_interference_and_navigation_integrity": [
      "[VA63] navigational warning for Belgium / United Kingdom - Thames approaches and Dover approaches. This is a weather bulletin; readable sections mention fog across the covered waters. Decoding is partial rather than complete.",
      "[unknown] operational notice for United Kingdom - North Sea and north-east UK coast. This is a weather bulletin; readable sections mention fog across the covered waters.",
      "[GA18] navigational warning for Unresolved B1 code G. Readable text says an AIS transmitter is inoperative near 56-14.3N 002-08.6W.",
      "[GA94] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text reports a fog signal outage near 55-06.8N 001-23.6W."
    ],
    "special_operations_and_military_activity": [
      "[TA24] navigational warning for Belgium - Belgian coast and southern North Sea. Readable text says: Gunnery exercises in the great sector of lombardsijde.",
      "[KA39] navigational warning for United Kingdom / France - Channel Islands and north-east French coast. Readable text reports an aid-to-navigation fault near 49-59.92N 000-12.63W; 49-35.88N 000-10.93W. 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=35, medium=36, low=52.",
      "37 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."
    ]
  }
}