{
  "title": "NAVTEX Review",
  "generated_at_utc": "2026-04-01T22:12:04.680476+00:00",
  "lookback_hours": 24,
  "focus_region": "Strait of Hormuz",
  "focus_hit_count": 0,
  "message_count": 90,
  "latest_reception": "2026-04-01 23:55:20",
  "source_url": "https://navtex.lv/",
  "stale_issue_filtered_count": 70,
  "max_notice_age_hours": 24,
  "overview": {
    "message_count": 90,
    "counts_by_code": {
      "G": 18,
      "T": 16,
      "E": 10,
      "S": 9,
      "P": 8,
      "A": 6,
      "W": 6,
      "U": 4,
      "F": 3,
      "V": 3,
      "L": 2,
      "K": 2,
      "Q": 1,
      "J": 1,
      "D": 1
    },
    "counts_by_area": {
      "G": 18,
      "T": 16,
      "E": 10,
      "S": 9,
      "P": 8,
      "A": 6,
      "W": 6,
      "U": 4,
      "F": 3,
      "V": 3,
      "L": 2,
      "K": 2,
      "Q": 1,
      "J": 1,
      "D": 1
    },
    "keyword_counts": {
      "fog": 13,
      "warning": 9,
      "survey": 6,
      "gale": 5,
      "exercise": 4,
      "storm": 3,
      "ais": 1,
      "drifting": 1,
      "sar": 1
    },
    "station_coverage": {
      "resolved_message_count": 49,
      "unresolved_message_count": 41,
      "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": 12,
          "basis": "station-signature",
          "matched_terms": [
            "CROMARTY"
          ]
        },
        {
          "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": "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": 7,
          "basis": "station-signature",
          "matched_terms": [
            "NAVTEX HAMBURG"
          ]
        },
        {
          "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": 6,
          "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": 5,
          "basis": "station-signature",
          "matched_terms": [
            "THAMES"
          ]
        },
        {
          "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": 4,
          "basis": "regional-context",
          "matched_terms": [
            "WIGHT",
            "LUNDY",
            "PORTLAND"
          ]
        },
        {
          "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": 3,
          "basis": "station-signature",
          "matched_terms": [
            "MONDOLFO RADIO"
          ]
        },
        {
          "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": [
            "CAYEUX SUR MER",
            "WIGHT LARGE CAYEUX SUR MER"
          ]
        },
        {
          "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": "regional-context",
          "matched_terms": [
            "NORTH SEA"
          ]
        },
        {
          "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"
          ]
        }
      ],
      "code_rows": [
        {
          "code": "G",
          "message_count": 18,
          "resolved_station_names": [
            "Cullercoats"
          ],
          "unresolved_message_count": 6
        },
        {
          "code": "T",
          "message_count": 16,
          "resolved_station_names": [
            "Oostende Radio",
            "Oostende (Thames Approaches relay)"
          ],
          "unresolved_message_count": 7
        },
        {
          "code": "E",
          "message_count": 10,
          "resolved_station_names": [
            "Niton"
          ],
          "unresolved_message_count": 6
        },
        {
          "code": "S",
          "message_count": 9,
          "resolved_station_names": [
            "Pinneberg"
          ],
          "unresolved_message_count": 2
        },
        {
          "code": "P",
          "message_count": 8,
          "resolved_station_names": [
            "Oostende (Thames Approaches relay)",
            "Netherlands Coastguard Radio"
          ],
          "unresolved_message_count": 6
        },
        {
          "code": "A",
          "message_count": 6,
          "resolved_station_names": [],
          "unresolved_message_count": 6
        },
        {
          "code": "W",
          "message_count": 6,
          "resolved_station_names": [
            "CROSS La Garde"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "U",
          "message_count": 4,
          "resolved_station_names": [
            "Mondolfo"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "F",
          "message_count": 3,
          "resolved_station_names": [],
          "unresolved_message_count": 3
        },
        {
          "code": "V",
          "message_count": 3,
          "resolved_station_names": [
            "Oostende (Thames Approaches relay)"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "L",
          "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": "Q",
          "message_count": 1,
          "resolved_station_names": [
            "Split"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "J",
          "message_count": 1,
          "resolved_station_names": [],
          "unresolved_message_count": 1
        },
        {
          "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 90 messages; dominant B1 codes were G (18), T (16), E (10); keyword concentration led by fog (13), warning (9), survey (6), gale (5).",
      "[FA07] navigational warning for Unresolved B1 code F. Readable text says: Moldova light beacon no. 030 (c3888).",
      "[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.",
      "[EA27] navigational warning for United Kingdom - English Channel and western approaches. Readable text says: Lavernock spit buoy 51-23.0n 003-10.8w unlit. Decoding is partial rather than complete.",
      "No direct mentions were found in this corpus window."
    ],
    "main_developments": [
      "[FA07] navigational warning for Unresolved B1 code F. Readable text says: Moldova light beacon no. 030 (c3888).",
      "[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.",
      "[EA27] navigational warning for United Kingdom - English Channel and western approaches. Readable text says: Lavernock spit buoy 51-23.0n 003-10.8w unlit. Decoding is partial rather than complete.",
      "[EA49] navigational warning for Unresolved B1 code E. Readable text says: East cardinal buoy 51-55.3n 007-48.5w unlit.",
      "[PB25] meteorological warning for Belgium / United Kingdom - Thames approaches and Dover approaches. Readable text says: No warning. Decoding is partial rather than complete.",
      "[unknown] operational notice for Unresolved B1 code U. Readable text says: F hfzm d pjtdl light range reduced. Decoding is partial rather than complete.",
      "[VA60] navigational warning for Belgium / United Kingdom - Thames approaches and Dover approaches. This is a weather bulletin; readable sections mention thunderstorms, fog across the covered waters. Decoding is partial rather than complete.",
      "[VA75] navigational warning for Belgium / United Kingdom - Thames approaches and Dover approaches. Readable text reports a fog signal outage. Decoding is partial rather than complete."
    ],
    "weather_and_sea_state": [
      "[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.",
      "[VA60] navigational warning for Belgium / United Kingdom - Thames approaches and Dover approaches. This is a weather bulletin; readable sections mention thunderstorms, fog across the covered waters. Decoding is partial rather than complete.",
      "[VA75] navigational warning for Belgium / United Kingdom - Thames approaches and Dover approaches. Readable text reports a fog signal outage. Decoding is partial rather than complete.",
      "[TE02] weather forecast for Belgium - Belgian coast and southern North Sea. This is a weather bulletin; readable sections mention fog across the covered waters. Decoding is partial rather than complete.",
      "[SE57] weather forecast for Germany - German Bight and German North Sea. This is a weather bulletin; readable sections mention fog, rain across the covered waters. Decoding is partial rather than complete."
    ],
    "navigation_and_safety_alerts": [
      "[FA07] navigational warning for Unresolved B1 code F. Readable text says: Moldova light beacon no. 030 (c3888).",
      "[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.",
      "[EA27] navigational warning for United Kingdom - English Channel and western approaches. Readable text says: Lavernock spit buoy 51-23.0n 003-10.8w unlit. Decoding is partial rather than complete.",
      "[EA49] navigational warning for Unresolved B1 code E. Readable text says: East cardinal buoy 51-55.3n 007-48.5w unlit.",
      "[PB25] meteorological warning for Belgium / United Kingdom - Thames approaches and Dover approaches. Readable text says: No warning. Decoding is partial rather than complete.",
      "[unknown] operational notice for Unresolved B1 code U. Readable text says: F hfzm d pjtdl light range reduced. Decoding is partial rather than complete.",
      "[VA60] navigational warning for Belgium / United Kingdom - Thames approaches and Dover approaches. This is a weather bulletin; readable sections mention thunderstorms, fog across the covered waters. Decoding is partial rather than complete.",
      "[VA75] navigational warning for Belgium / United Kingdom - Thames approaches and Dover approaches. Readable text reports a fog signal outage. Decoding is partial rather than complete."
    ],
    "electronic_interference_and_navigation_integrity": [
      "[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.",
      "[VA60] navigational warning for Belgium / United Kingdom - Thames approaches and Dover approaches. This is a weather bulletin; readable sections mention thunderstorms, fog across the covered waters. Decoding is partial rather than complete.",
      "[VA75] navigational warning for Belgium / United Kingdom - Thames approaches and Dover approaches. Readable text reports a fog signal outage. Decoding is partial rather than complete.",
      "[unknown] operational notice 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."
    ],
    "special_operations_and_military_activity": [
      "[unknown] operational notice for Unresolved B1 code T. Readable text says: Oojjm m exercises in the large sector of lombardsijde. Decoding is partial rather than complete.",
      "[AA13] navigational warning for Unresolved B1 code A. Readable text says: Firing exercise. Decoding is partial rather than complete.",
      "[AA15] navigational warning for Unresolved B1 code A. Readable text says: Area within 40 nm radius of 47-35.00n 005-10.00w. Decoding is partial rather than complete.",
      "[WA25] navigational warning for France - Provence, Ligurian Sea and western Mediterranean. Readable text indicates a search-and-rescue related notice. Decoding is partial rather than complete.",
      "[WA27] navigational warning for France - Provence, Ligurian Sea and western Mediterranean. Readable text says: 43-02.90pyawomppe/42-56.50n 006-12.00e. Decoding is partial rather than complete.",
      "[UA54] navigational warning for Italy - Adriatic Sea and central Italian coast. Readable text says: G. - 40 0 6 . . !. : 0 0 sailing, anchorage and fijdf mypm yzdflfhpw. 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=22, medium=46, low=22.",
      "70 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.",
      "22 messages were classified as low decode quality and may contain damaged titles or coordinates."
    ]
  }
}