{
  "title": "NAVTEX Review",
  "generated_at_utc": "2026-03-26T19:12:03.044320+00:00",
  "lookback_hours": 24,
  "focus_region": "Strait of Hormuz",
  "focus_hit_count": 0,
  "message_count": 102,
  "latest_reception": "2026-03-26 21:10:20",
  "source_url": "https://navtex.lv/",
  "stale_issue_filtered_count": 58,
  "max_notice_age_hours": 24,
  "overview": {
    "message_count": 102,
    "counts_by_code": {
      "G": 43,
      "T": 22,
      "S": 16,
      "P": 9,
      "E": 3,
      "K": 3,
      "Q": 2,
      "O": 2,
      "V": 1,
      "J": 1
    },
    "counts_by_area": {
      "G": 43,
      "T": 22,
      "S": 16,
      "P": 9,
      "E": 3,
      "K": 3,
      "Q": 2,
      "O": 2,
      "V": 1,
      "J": 1
    },
    "keyword_counts": {
      "warning": 18,
      "fog": 6,
      "gale": 4,
      "ais": 3,
      "exercise": 1
    },
    "station_coverage": {
      "resolved_message_count": 62,
      "unresolved_message_count": 40,
      "resolved_station_count": 7,
      "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": [
            "DOGGER",
            "CROMARTY"
          ]
        },
        {
          "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": 15,
          "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": 13,
          "basis": "station-signature",
          "matched_terms": [
            "OOSTENDE"
          ]
        },
        {
          "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": [
            "TERSCHELLING"
          ]
        },
        {
          "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": [
            "DST MANCHE"
          ]
        },
        {
          "key": "split",
          "code": "Q",
          "station_name": "Split",
          "country": "Croatia",
          "nav_area": "III",
          "latitude": 43.1757,
          "longitude": 16.423,
          "coverage_label": "Adriatic Sea",
          "message_count": 2,
          "basis": "station-signature",
          "matched_terms": [
            "SPLIT RADIO"
          ]
        },
        {
          "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": 2,
          "basis": "regional-context",
          "matched_terms": [
            "DOVER"
          ]
        }
      ],
      "code_rows": [
        {
          "code": "G",
          "message_count": 43,
          "resolved_station_names": [
            "Cullercoats"
          ],
          "unresolved_message_count": 19
        },
        {
          "code": "T",
          "message_count": 22,
          "resolved_station_names": [
            "Oostende Radio"
          ],
          "unresolved_message_count": 9
        },
        {
          "code": "S",
          "message_count": 16,
          "resolved_station_names": [
            "Pinneberg"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "P",
          "message_count": 9,
          "resolved_station_names": [
            "Netherlands Coastguard Radio",
            "Oostende (Thames Approaches relay)"
          ],
          "unresolved_message_count": 4
        },
        {
          "code": "E",
          "message_count": 3,
          "resolved_station_names": [],
          "unresolved_message_count": 3
        },
        {
          "code": "K",
          "message_count": 3,
          "resolved_station_names": [
            "Niton (France relay)"
          ],
          "unresolved_message_count": 1
        },
        {
          "code": "Q",
          "message_count": 2,
          "resolved_station_names": [
            "Split"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "O",
          "message_count": 2,
          "resolved_station_names": [],
          "unresolved_message_count": 2
        },
        {
          "code": "V",
          "message_count": 1,
          "resolved_station_names": [
            "Oostende (Thames Approaches relay)"
          ],
          "unresolved_message_count": 0
        },
        {
          "code": "J",
          "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 102 messages; dominant B1 codes were G (43), T (22), S (16); keyword concentration led by warning (18), fog (6), gale (4), ais (3).",
      "[TA12] navigational warning for Belgium - Belgian coast and southern North Sea. Readable text sets local operating restrictions, including anchoring, fishing, or towing limits.",
      "[QE52] weather forecast for Croatia - Adriatic Sea. Readable text says: Mostly cloudy with rain, loc t-shwrs. Decoding is partial rather than complete.",
      "[QA01] navigational warning for Croatia - Adriatic Sea. This is a weather bulletin; readable sections mention ice across the covered waters.",
      "No direct mentions were found in this corpus window."
    ],
    "main_developments": [
      "[TA12] navigational warning for Belgium - Belgian coast and southern North Sea. Readable text sets local operating restrictions, including anchoring, fishing, or towing limits.",
      "[QE52] weather forecast for Croatia - Adriatic Sea. Readable text says: Mostly cloudy with rain, loc t-shwrs. Decoding is partial rather than complete.",
      "[QA01] navigational warning for Croatia - Adriatic Sea. This is a weather bulletin; readable sections mention ice across the covered waters.",
      "[PL13] navigational warning for Netherlands - Dutch EEZ and southern North Sea. Readable text says: Wave height warning 300cm tss terschelling - german bignh.",
      "[PB09] meteorological warning for Belgium / United Kingdom - Thames approaches and Dover approaches. Readable text says: Gal warning, 26 mar 16:24 utc.",
      "[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 United Kingdom - North Sea and north-east UK coast. Readable text says: Beryl spm3 buoy 59-31.7n 001-33.5,3 53.094-48)6 43.9 $.",
      "[GA96] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Dudgeon south buoy 53-12.5n 001-25.6e unlit."
    ],
    "weather_and_sea_state": [
      "[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.",
      "[GA94] navigational warning for Unresolved B1 code G. Readable text reports a fog signal outage near 55-06.8N 001-23.6W. Decoding is partial rather than complete.",
      "[GB10] meteorological warning for Unresolved B1 code G. Readable text says: Gspmzum pjpwmlchmjzchd pjhiii y gale forcem. Decoding is partial rather than complete.",
      "[GB10] meteorological warning for Unresolved B1 code G. Readable text says: Gale now ceaied but southwesterly gale force ! 0 pxhpwmjzzonong ow ceased.",
      "[GA07] 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. Decoding is partial rather than complete."
    ],
    "navigation_and_safety_alerts": [
      "[TA12] navigational warning for Belgium - Belgian coast and southern North Sea. Readable text sets local operating restrictions, including anchoring, fishing, or towing limits.",
      "[QE52] weather forecast for Croatia - Adriatic Sea. Readable text says: Mostly cloudy with rain, loc t-shwrs. Decoding is partial rather than complete.",
      "[QA01] navigational warning for Croatia - Adriatic Sea. This is a weather bulletin; readable sections mention ice across the covered waters.",
      "[PL13] navigational warning for Netherlands - Dutch EEZ and southern North Sea. Readable text says: Wave height warning 300cm tss terschelling - german bignh.",
      "[PB09] meteorological warning for Belgium / United Kingdom - Thames approaches and Dover approaches. Readable text says: Gal warning, 26 mar 16:24 utc.",
      "[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 United Kingdom - North Sea and north-east UK coast. Readable text says: Beryl spm3 buoy 59-31.7n 001-33.5,3 53.094-48)6 43.9 $.",
      "[GA96] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Dudgeon south buoy 53-12.5n 001-25.6e unlit."
    ],
    "electronic_interference_and_navigation_integrity": [
      "[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.",
      "[GA94] navigational warning for Unresolved B1 code G. Readable text reports a fog signal outage near 55-06.8N 001-23.6W. Decoding is partial rather than complete.",
      "[GA07] 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. Decoding is partial rather than complete.",
      "[GPUE] operational notice for Unresolved B1 code G. Readable text says: Buoy 56-14.3n 002-08.6w and nng s buoy 56-12.3n 002-09.8w ais inopezy a wm cancel wz 10/26 (ga91). Decoding is partial rather than complete."
    ],
    "special_operations_and_military_activity": [
      "[JA14] navigational warning for Unresolved B1 code J. Readable text says: Centered 54-39.27n 016-36.59e. 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=41, medium=42, low=19.",
      "58 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.",
      "19 messages were classified as low decode quality and may contain damaged titles or coordinates."
    ]
  }
}