{
  "title": "NAVTEX Review",
  "generated_at_utc": "2026-03-25T15:12:03.336223+00:00",
  "lookback_hours": 24,
  "focus_region": "Strait of Hormuz",
  "focus_hit_count": 0,
  "message_count": 107,
  "latest_reception": "2026-03-25 17:10:22",
  "source_url": "https://navtex.lv/",
  "stale_issue_filtered_count": 53,
  "max_notice_age_hours": 24,
  "overview": {
    "message_count": 107,
    "counts_by_code": {
      "G": 41,
      "T": 15,
      "E": 13,
      "S": 9,
      "W": 8,
      "K": 6,
      "P": 5,
      "V": 5,
      "J": 3,
      "O": 2
    },
    "counts_by_area": {
      "G": 41,
      "T": 15,
      "E": 13,
      "S": 9,
      "W": 8,
      "K": 6,
      "P": 5,
      "V": 5,
      "J": 3,
      "O": 2
    },
    "keyword_counts": {
      "warning": 26,
      "gale": 14,
      "fog": 11,
      "ais": 6,
      "exercise": 5,
      "survey": 3
    },
    "station_coverage": {
      "resolved_message_count": 67,
      "unresolved_message_count": 40,
      "resolved_station_count": 10,
      "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": 24,
          "basis": "station-signature",
          "matched_terms": [
            "HUMBER",
            "TYNE"
          ]
        },
        {
          "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": 9,
          "basis": "regional-context",
          "matched_terms": [
            "LUNDY"
          ]
        },
        {
          "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": "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": 8,
          "basis": "station-signature",
          "matched_terms": [
            "OOSTENDE",
            "OOSTENDERADIO"
          ]
        },
        {
          "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": 8,
          "basis": "station-signature",
          "matched_terms": [
            "AVURNAV TOULON"
          ]
        },
        {
          "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": "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": 2,
          "basis": "station-signature",
          "matched_terms": [
            "SELLIA MARINA"
          ]
        },
        {
          "key": "portpatrick",
          "code": "O",
          "station_name": "Portpatrick",
          "country": "United Kingdom",
          "nav_area": "I",
          "latitude": 54.8438,
          "longitude": -5.1243,
          "coverage_label": "Irish Sea and western UK approaches",
          "message_count": 1,
          "basis": "regional-context",
          "matched_terms": [
            "MALIN"
          ]
        },
        {
          "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": 1,
          "basis": "station-signature",
          "matched_terms": [
            "DUTCH EEZ"
          ]
        }
      ],
      "code_rows": [
        {
          "code": "G",
          "message_count": 41,
          "resolved_station_names": [
            "Cullercoats"
          ],
          "unresolved_message_count": 17
        },
        {
          "code": "T",
          "message_count": 15,
          "resolved_station_names": [
            "Oostende Radio"
          ],
          "unresolved_message_count": 7
        },
        {
          "code": "E",
          "message_count": 13,
          "resolved_station_names": [
            "Niton"
          ],
          "unresolved_message_count": 4
        },
        {
          "code": "S",
          "message_count": 9,
          "resolved_station_names": [
            "Pinneberg"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "W",
          "message_count": 8,
          "resolved_station_names": [
            "CROSS La Garde"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "K",
          "message_count": 6,
          "resolved_station_names": [
            "Niton (France relay)"
          ],
          "unresolved_message_count": 4
        },
        {
          "code": "P",
          "message_count": 5,
          "resolved_station_names": [
            "Oostende (Thames Approaches relay)",
            "Netherlands Coastguard Radio"
          ],
          "unresolved_message_count": 2
        },
        {
          "code": "V",
          "message_count": 5,
          "resolved_station_names": [
            "Sellia Marina",
            "Oostende (Thames Approaches relay)"
          ],
          "unresolved_message_count": 2
        },
        {
          "code": "J",
          "message_count": 3,
          "resolved_station_names": [],
          "unresolved_message_count": 3
        },
        {
          "code": "O",
          "message_count": 2,
          "resolved_station_names": [
            "Portpatrick"
          ],
          "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 107 messages; dominant B1 codes were G (41), T (15), E (13); keyword concentration led by warning (26), gale (14), fog (11), ais (6).",
      "[TB13] meteorological warning for Belgium - Belgian coast and southern North Sea. Readable text says: Oostenderadio gale warning 10/269, $ 0. 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.",
      "[SB35] meteorological warning for Germany - German Bight and German North Sea. Readable text says: Warning no. 103 250900utc mar.",
      "No direct mentions were found in this corpus window."
    ],
    "main_developments": [
      "[TB13] meteorological warning for Belgium - Belgian coast and southern North Sea. Readable text says: Oostenderadio gale warning 10/269, $ 0. 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.",
      "[SB35] meteorological warning for Germany - German Bight and German North Sea. Readable text says: Warning no. 103 250900utc mar.",
      "[PE63] weather forecast for Netherlands - Dutch EEZ and southern North Sea. Readable text says: Showers, risk of hail and thunderstorm.",
      "[unknown] operational notice for Unresolved B1 code T. Readable text sets local operating restrictions near 50-15.86N 001-19.41E; 50-19.01N 001-12.02E, including anchoring, fishing, or towing limits. Decoding is partial rather than complete.",
      "[KA29] navigational warning for United Kingdom / France - Channel Islands and north-east French coast. Readable text says: Liw ht buoy - lighr u lsud. 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.",
      "[GA82] navigational warning for Unresolved B1 code G. Readable text says: Beryl spm3 buoy 59-31.7 ! 001-33.5e t mporarily removed .9, 9,,888(zczc. Decoding is partial rather than complete."
    ],
    "weather_and_sea_state": [
      "[TB13] meteorological warning for Belgium - Belgian coast and southern North Sea. Readable text says: Oostenderadio gale warning 10/269, $ 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.",
      "[GA07] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text reports a fog signal outage.",
      "[GB07] meteorological warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Gale warning wednesday 25 march 0951 utc.",
      "[GB07] meteorological warning for United Kingdom - North Sea and north-east UK coast. Readable text says: 9,9, 6northwesterly gale force 8 continuing. Decoding is partial rather than complete."
    ],
    "navigation_and_safety_alerts": [
      "[TB13] meteorological warning for Belgium - Belgian coast and southern North Sea. Readable text says: Oostenderadio gale warning 10/269, $ 0. 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.",
      "[SB35] meteorological warning for Germany - German Bight and German North Sea. Readable text says: Warning no. 103 250900utc mar.",
      "[PE63] weather forecast for Netherlands - Dutch EEZ and southern North Sea. Readable text says: Showers, risk of hail and thunderstorm.",
      "[unknown] operational notice for Unresolved B1 code T. Readable text sets local operating restrictions near 50-15.86N 001-19.41E; 50-19.01N 001-12.02E, including anchoring, fishing, or towing limits. Decoding is partial rather than complete.",
      "[KA29] navigational warning for United Kingdom / France - Channel Islands and north-east French coast. Readable text says: Liw ht buoy - lighr u lsud. 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.",
      "[GA82] navigational warning for Unresolved B1 code G. Readable text says: Beryl spm3 buoy 59-31.7 ! 001-33.5e t mporarily removed .9, 9,,888(zczc. Decoding is partial rather than complete."
    ],
    "electronic_interference_and_navigation_integrity": [
      "[VA26] navigational warning for Unresolved B1 code V. Readable text says: Ais transmitter out of servn m. 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.",
      "[GA07] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text reports a fog signal outage.",
      "[KA] navigational warning for Unresolved B1 code K. Readable text reports an aid-to-navigation fault near 50-32.80N 000-57.80E. Decoding is partial rather than complete."
    ],
    "special_operations_and_military_activity": [
      "[TA09] navigational warning for Belgium - Belgian coast and southern North Sea. Readable text says: Gunnery exercises in the middle sec. Decoding is partial rather than complete.",
      "[unknown] operational notice for Unresolved B1 code T. Readable text says: Military / :! 0. Decoding is partial rather than complete.",
      "[WA92] navigational warning for France - Provence, Ligurian Sea and western Mediterranean. This is a weather bulletin; readable sections mention ice across the covered waters.",
      "[WA12] navigational warning for France - Provence, Ligurian Sea and western Mediterranean. Readable text says: 1. firing exercise.",
      "[WA13] navigational warning for France - Provence, Ligurian Sea and western Mediterranean. Readable text says: Firing exercise.",
      "[WA15] navigational warning for France - Provence, Ligurian Sea and western Mediterranean. Readable text says: 1. firing exercise."
    ],
    "focus_region": [
      "No direct mentions were found in this corpus window."
    ],
    "confidence_and_gaps": [
      "Decode quality across the window was high=53, medium=37, low=17.",
      "53 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.",
      "17 messages were classified as low decode quality and may contain damaged titles or coordinates."
    ]
  }
}