{
  "title": "NAVTEX Review",
  "generated_at_utc": "2026-04-04T20:12:03.679772+00:00",
  "lookback_hours": 24,
  "focus_region": "Strait of Hormuz",
  "focus_hit_count": 0,
  "message_count": 123,
  "latest_reception": "2026-04-04 22:43:20",
  "source_url": "https://navtex.lv/",
  "stale_issue_filtered_count": 37,
  "max_notice_age_hours": 24,
  "overview": {
    "message_count": 123,
    "counts_by_code": {
      "G": 37,
      "T": 30,
      "S": 13,
      "E": 11,
      "P": 7,
      "K": 7,
      "U": 6,
      "O": 2,
      "L": 2,
      "R": 2,
      "J": 2,
      "V": 1,
      "C": 1,
      "A": 1,
      "Q": 1
    },
    "counts_by_area": {
      "G": 37,
      "T": 30,
      "S": 13,
      "E": 11,
      "P": 7,
      "K": 7,
      "U": 6,
      "O": 2,
      "L": 2,
      "R": 2,
      "J": 2,
      "V": 1,
      "C": 1,
      "A": 1,
      "Q": 1
    },
    "keyword_counts": {
      "warning": 16,
      "gale": 10,
      "fog": 9,
      "survey": 5,
      "exercise": 2,
      "ais": 1,
      "storm": 1
    },
    "station_coverage": {
      "resolved_message_count": 66,
      "unresolved_message_count": 57,
      "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": 21,
          "basis": "station-signature",
          "matched_terms": [
            "HUMBER",
            "DOGGER",
            "TYNE"
          ]
        },
        {
          "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": 11,
          "basis": "station-signature",
          "matched_terms": [
            "NCC HAMBURG"
          ]
        },
        {
          "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": 8,
          "basis": "station-signature",
          "matched_terms": [
            "AVURNAV CHERBOURG",
            "CHERBOURG"
          ]
        },
        {
          "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-fallback",
          "matched_terms": [
            "NITON"
          ]
        },
        {
          "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": 6,
          "basis": "station-signature",
          "matched_terms": [
            "BE 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": 5,
          "basis": "station-signature",
          "matched_terms": [
            "MONDOLFO RADIO"
          ]
        },
        {
          "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": [
            "NORTH SEA"
          ]
        },
        {
          "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-fallback",
          "matched_terms": [
            "THAMES"
          ]
        },
        {
          "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": 2,
          "basis": "station-signature",
          "matched_terms": [
            "SARDINIA"
          ]
        }
      ],
      "code_rows": [
        {
          "code": "G",
          "message_count": 37,
          "resolved_station_names": [
            "Cullercoats"
          ],
          "unresolved_message_count": 16
        },
        {
          "code": "T",
          "message_count": 30,
          "resolved_station_names": [
            "Oostende Radio",
            "Pinneberg",
            "Oostende (Thames Approaches relay)",
            "Niton (France relay)",
            "Niton",
            "Mondolfo"
          ],
          "unresolved_message_count": 16
        },
        {
          "code": "S",
          "message_count": 13,
          "resolved_station_names": [
            "Pinneberg"
          ],
          "unresolved_message_count": 5
        },
        {
          "code": "E",
          "message_count": 11,
          "resolved_station_names": [
            "Niton"
          ],
          "unresolved_message_count": 6
        },
        {
          "code": "P",
          "message_count": 7,
          "resolved_station_names": [
            "Netherlands Coastguard Radio",
            "Oostende (Thames Approaches relay)"
          ],
          "unresolved_message_count": 2
        },
        {
          "code": "K",
          "message_count": 7,
          "resolved_station_names": [
            "Niton (France relay)"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "U",
          "message_count": 6,
          "resolved_station_names": [
            "Mondolfo"
          ],
          "unresolved_message_count": 2
        },
        {
          "code": "O",
          "message_count": 2,
          "resolved_station_names": [],
          "unresolved_message_count": 2
        },
        {
          "code": "L",
          "message_count": 2,
          "resolved_station_names": [],
          "unresolved_message_count": 2
        },
        {
          "code": "R",
          "message_count": 2,
          "resolved_station_names": [
            "La Maddalena"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "J",
          "message_count": 2,
          "resolved_station_names": [],
          "unresolved_message_count": 2
        },
        {
          "code": "V",
          "message_count": 1,
          "resolved_station_names": [],
          "unresolved_message_count": 1
        },
        {
          "code": "C",
          "message_count": 1,
          "resolved_station_names": [],
          "unresolved_message_count": 1
        },
        {
          "code": "A",
          "message_count": 1,
          "resolved_station_names": [],
          "unresolved_message_count": 1
        },
        {
          "code": "Q",
          "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 (37), T (30), S (13); keyword concentration led by warning (16), gale (10), fog (9), survey (5).",
      "[unknown] operational notice for Unresolved B1 code V. Readable text says: 1. turbine a06 51-45.0n 001-14.6e o signal ino xwy. Decoding is partial rather than complete.",
      "[UE41] 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.",
      "[TA23] navigational warning for Belgium - Belgian coast and southern North Sea. Readable text sets local operating restrictions, including anchoring, fishing, or towing limits.",
      "No direct mentions were found in this corpus window."
    ],
    "main_developments": [
      "[unknown] operational notice for Unresolved B1 code V. Readable text says: 1. turbine a06 51-45.0n 001-14.6e o signal ino xwy. Decoding is partial rather than complete.",
      "[UE41] 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.",
      "[TA23] navigational warning for Belgium - Belgian coast and southern North Sea. Readable text sets local operating restrictions, including anchoring, fishing, or towing limits.",
      "[SB47] meteorological warning for Germany - German Bight and German North Sea. Readable text says: Warning no. 115 041225utc apr.",
      "[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.",
      "[unknown] operational notice for Unresolved B1 code P. Readable text says: Buoy hwp14 in 52-40n 003-56e temporarily withdrawn.",
      "[TAQQ] 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.",
      "[TE07] weather forecast for Belgium - Belgian coast and southern North Sea. Readable text says: Cal st by kess l geosurveyo 11. Decoding is partial rather than complete."
    ],
    "weather_and_sea_state": [
      "[UE41] 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.",
      "[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.",
      "[TAQQ] 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.",
      "[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.",
      "[unknown] operational notice for Unresolved B1 code L. Readable text says: Wm gale 7, decr tz jum hmgz vim s m e 9. mod or yzcdh h jbbi kn i j f n mod. Decoding is partial rather than complete."
    ],
    "navigation_and_safety_alerts": [
      "[unknown] operational notice for Unresolved B1 code V. Readable text says: 1. turbine a06 51-45.0n 001-14.6e o signal ino xwy. Decoding is partial rather than complete.",
      "[UE41] 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.",
      "[TA23] navigational warning for Belgium - Belgian coast and southern North Sea. Readable text sets local operating restrictions, including anchoring, fishing, or towing limits.",
      "[SB47] meteorological warning for Germany - German Bight and German North Sea. Readable text says: Warning no. 115 041225utc apr.",
      "[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.",
      "[unknown] operational notice for Unresolved B1 code P. Readable text says: Buoy hwp14 in 52-40n 003-56e temporarily withdrawn.",
      "[TAQQ] 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.",
      "[TE07] weather forecast for Belgium - Belgian coast and southern North Sea. Readable text says: Cal st by kess l geosurveyo 11. Decoding is partial rather than complete."
    ],
    "electronic_interference_and_navigation_integrity": [
      "[TAQQ] 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.",
      "[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.",
      "[GA89] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text reports a fog signal outage near 57-29.4N 001-21.1W.",
      "[GA18] 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."
    ],
    "special_operations_and_military_activity": [
      "[unknown] operational notice for United Kingdom / France - Channel Islands and north-east French coast. This is a weather bulletin; readable sections mention ice across the covered waters. Decoding is partial rather than complete.",
      "[UA68] navigational warning for Italy - Adriatic Sea and central Italian coast. Readable text says: Sailing, anchorage and fishing are prohibited. Decoding is partial rather than complete.",
      "[RA96] navigational warning for Italy - Tyrrhenian Sea and Sardinia approaches. Readable text says: Zbm vx cdbdabn erritorial water shipping - fishing - age - and every. Decoding is partial rather than complete.",
      "[KA40] navigational warning for United Kingdom / France - Channel Islands and north-east French coast. Readable text says: Firing exercise."
    ],
    "focus_region": [
      "No direct mentions were found in this corpus window."
    ],
    "confidence_and_gaps": [
      "Decode quality across the window was high=22, medium=39, low=62.",
      "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.",
      "62 messages were classified as low decode quality and may contain damaged titles or coordinates."
    ]
  }
}