{
  "title": "NAVTEX Review",
  "generated_at_utc": "2026-05-07T01:12:03.251645+00:00",
  "lookback_hours": 24,
  "focus_region": "Strait of Hormuz",
  "focus_hit_count": 0,
  "message_count": 95,
  "latest_reception": "2026-05-07 04:06:25",
  "source_url": "https://navtex.lv/",
  "stale_issue_filtered_count": 65,
  "max_notice_age_hours": 24,
  "overview": {
    "message_count": 95,
    "counts_by_code": {
      "G": 25,
      "T": 14,
      "E": 11,
      "S": 11,
      "R": 8,
      "V": 5,
      "K": 5,
      "O": 4,
      "F": 2,
      "X": 2,
      "P": 2,
      "I": 2,
      "W": 1,
      "Q": 1,
      "D": 1,
      "L": 1
    },
    "counts_by_area": {
      "G": 25,
      "T": 14,
      "E": 11,
      "S": 11,
      "R": 8,
      "V": 5,
      "K": 5,
      "O": 4,
      "F": 2,
      "X": 2,
      "P": 2,
      "I": 2,
      "W": 1,
      "Q": 1,
      "D": 1,
      "L": 1
    },
    "keyword_counts": {
      "warning": 17,
      "fog": 6,
      "gale": 5,
      "ais": 4,
      "drifting": 2,
      "exercise": 2,
      "survey": 2,
      "gnss": 1
    },
    "station_coverage": {
      "resolved_message_count": 59,
      "unresolved_message_count": 36,
      "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": 19,
          "basis": "station-signature",
          "matched_terms": [
            "HUMBER",
            "INNER BANK"
          ]
        },
        {
          "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": 9,
          "basis": "station-signature",
          "matched_terms": [
            "NAVTEX HAMBURG"
          ]
        },
        {
          "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": 7,
          "basis": "station-signature",
          "matched_terms": [
            "LA MADDALENA"
          ]
        },
        {
          "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": [
            "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": 5,
          "basis": "regional-context",
          "matched_terms": [
            "WIGHT",
            "LUNDY",
            "PORTLAND"
          ]
        },
        {
          "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": 4,
          "basis": "station-signature",
          "matched_terms": [
            "SELLIA MARINA"
          ]
        },
        {
          "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": [
            "AVURNAV CHERBOURG",
            "CHERBOURG"
          ]
        },
        {
          "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": 3,
          "basis": "station-signature-fallback",
          "matched_terms": [
            "NORWEGIAN GALE WARNING"
          ]
        },
        {
          "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": "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": 1,
          "basis": "regional-context",
          "matched_terms": [
            "PROVENCE",
            "LIGURE",
            "CORSE",
            "SARDAIGNE"
          ]
        },
        {
          "key": "grindavik",
          "code": "X",
          "station_name": "Reykjavik Radio / Grindavik",
          "country": "Iceland",
          "nav_area": "I",
          "latitude": 63.8332,
          "longitude": -22.4507,
          "coverage_label": "Iceland and north-east Atlantic",
          "message_count": 1,
          "basis": "regional-context",
          "matched_terms": [
            "ICELAND"
          ]
        }
      ],
      "code_rows": [
        {
          "code": "G",
          "message_count": 25,
          "resolved_station_names": [
            "Cullercoats"
          ],
          "unresolved_message_count": 6
        },
        {
          "code": "T",
          "message_count": 14,
          "resolved_station_names": [
            "Oostende Radio",
            "Orlandet",
            "Niton (France relay)"
          ],
          "unresolved_message_count": 6
        },
        {
          "code": "E",
          "message_count": 11,
          "resolved_station_names": [
            "Niton"
          ],
          "unresolved_message_count": 6
        },
        {
          "code": "S",
          "message_count": 11,
          "resolved_station_names": [
            "Pinneberg"
          ],
          "unresolved_message_count": 2
        },
        {
          "code": "R",
          "message_count": 8,
          "resolved_station_names": [
            "La Maddalena"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "V",
          "message_count": 5,
          "resolved_station_names": [
            "Sellia Marina"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "K",
          "message_count": 5,
          "resolved_station_names": [
            "Niton (France relay)"
          ],
          "unresolved_message_count": 3
        },
        {
          "code": "O",
          "message_count": 4,
          "resolved_station_names": [
            "Orlandet"
          ],
          "unresolved_message_count": 3
        },
        {
          "code": "F",
          "message_count": 2,
          "resolved_station_names": [],
          "unresolved_message_count": 2
        },
        {
          "code": "X",
          "message_count": 2,
          "resolved_station_names": [
            "Reykjavik Radio / Grindavik"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "P",
          "message_count": 2,
          "resolved_station_names": [],
          "unresolved_message_count": 2
        },
        {
          "code": "I",
          "message_count": 2,
          "resolved_station_names": [],
          "unresolved_message_count": 2
        },
        {
          "code": "W",
          "message_count": 1,
          "resolved_station_names": [
            "CROSS La Garde"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "Q",
          "message_count": 1,
          "resolved_station_names": [
            "Split"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "D",
          "message_count": 1,
          "resolved_station_names": [],
          "unresolved_message_count": 1
        },
        {
          "code": "L",
          "message_count": 1,
          "resolved_station_names": [
            "Orlandet"
          ],
          "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 95 messages; dominant B1 codes were G (25), T (14), E (11); keyword concentration led by warning (17), fog (6), gale (5), ais (4).",
      "[GA25] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text says: 1. beryl spm3 buoy 59-31.7n 001-33.5e temporarily removed.",
      "[unknown] operational notice for Unresolved B1 code T. Readable text reports a fog signal outage near 57-29.4N 001-21.1W. Decoding is partial rather than complete.",
      "[GA55] 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.",
      "No direct mentions were found in this corpus window."
    ],
    "main_developments": [
      "[GA25] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text says: 1. beryl spm3 buoy 59-31.7n 001-33.5e temporarily removed.",
      "[unknown] operational notice for Unresolved B1 code T. Readable text reports a fog signal outage near 57-29.4N 001-21.1W. Decoding is partial rather than complete.",
      "[GA55] 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.",
      "[GA56] 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.",
      "[GE18] weather forecast for Unresolved B1 code G. This is a weather bulletin; readable sections mention ice across the covered waters. Decoding is partial rather than complete.",
      "[EA74] navigational warning for United Kingdom - English Channel and western approaches. Readable text says: 1. needles light. Decoding is partial rather than complete.",
      "[EA83] navigational warning for Unresolved B1 code E. Readable text says: ! 0 bore rocks buoy 52-06.1n 006-31.9w unlit. Decoding is partial rather than complete.",
      "[EA84] navigational warning for Unresolved B1 code E. Readable text says: 1. south cardinal buoy 50- wn 005-40.4w unlit."
    ],
    "weather_and_sea_state": [
      "[unknown] operational notice for Unresolved B1 code T. Readable text reports a fog signal outage near 57-29.4N 001-21.1W. Decoding is partial rather than complete.",
      "[GA55] 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.",
      "[GA56] 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.",
      "[EE] weather forecast for Unresolved B1 code E. This is a weather bulletin; readable sections mention gales, fog, ice across the covered waters. Decoding is partial rather than complete.",
      "[OB87] meteorological warning for Norway - Norwegian Sea and central Norwegian coast. Readable text says: Gale force 8 backing northeasterly imminent, increasing severe galecj l v vzm zzono gjzgh pjh. Decoding is partial rather than complete."
    ],
    "navigation_and_safety_alerts": [
      "[GA25] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text says: 1. beryl spm3 buoy 59-31.7n 001-33.5e temporarily removed.",
      "[unknown] operational notice for Unresolved B1 code T. Readable text reports a fog signal outage near 57-29.4N 001-21.1W. Decoding is partial rather than complete.",
      "[GA55] 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.",
      "[GA56] 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.",
      "[GE18] weather forecast for Unresolved B1 code G. This is a weather bulletin; readable sections mention ice across the covered waters. Decoding is partial rather than complete.",
      "[EA74] navigational warning for United Kingdom - English Channel and western approaches. Readable text says: 1. needles light. Decoding is partial rather than complete.",
      "[EA83] navigational warning for Unresolved B1 code E. Readable text says: ! 0 bore rocks buoy 52-06.1n 006-31.9w unlit. Decoding is partial rather than complete.",
      "[EA84] navigational warning for Unresolved B1 code E. Readable text says: 1. south cardinal buoy 50- wn 005-40.4w unlit."
    ],
    "electronic_interference_and_navigation_integrity": [
      "[unknown] operational notice for Unresolved B1 code T. Readable text reports a fog signal outage near 57-29.4N 001-21.1W. Decoding is partial rather than complete.",
      "[GA55] 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.",
      "[FA69] navigational warning for Unresolved B1 code F. Readable text says: Gulf of finland, gks. .6! .2. 0. .'2 gnss, ais, radar and dgps int y py pmzljpy pwmfmyp mariners advised to exercise caution. Decoding is partial rather than complete.",
      "[RD51] search and rescue message for Italy - Tyrrhenian Sea and Sardinia approaches. Readable text says: All ships transiting in area are requested to check their ais-mob m on board 00 .. $6 .' . : .2.60 6 .3. !)'0. ! $ . .! 6 /. 0 /9, 0'0 $ 0.: )06 .60 9. o :3 4 991 4409. Decoding is partial rather than complete."
    ],
    "special_operations_and_military_activity": [
      "[FA69] navigational warning for Unresolved B1 code F. Readable text says: Gulf of finland, gks. .6! .2. 0. .'2 gnss, ais, radar and dgps int y py pmzljpy pwmfmyp mariners advised to exercise caution. Decoding is partial rather than complete.",
      "[RA44] navigational warning for Italy - Tyrrhenian Sea and Sardinia approaches. Readable text says: Will be carried out a firing military activities in the sea area.",
      "[IA17] navigational warning for Unresolved B1 code I. Readable text says: Gnss, ais, radar and dgps interference observed in area. 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=26, medium=44, low=25.",
      "65 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."
    ]
  }
}