{ "title": "NAVTEX Review", "generated_at_utc": "2026-04-08T19:12:03.748606+00:00", "lookback_hours": 24, "focus_region": "Strait of Hormuz", "focus_hit_count": 0, "message_count": 111, "latest_reception": "2026-04-08 22:04:18", "source_url": "https://navtex.lv/", "stale_issue_filtered_count": 49, "max_notice_age_hours": 24, "overview": { "message_count": 111, "counts_by_code": { "G": 46, "T": 30, "S": 17, "V": 6, "E": 6, "Q": 1, "P": 1, "O": 1, "L": 1, "K": 1, "A": 1 }, "counts_by_area": { "G": 46, "T": 30, "S": 17, "V": 6, "E": 6, "Q": 1, "P": 1, "O": 1, "L": 1, "K": 1, "A": 1 }, "keyword_counts": { "fog": 11, "warning": 4, "gale": 4, "ais": 2, "exercise": 2 }, "station_coverage": { "resolved_message_count": 69, "unresolved_message_count": 42, "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": 26, "basis": "station-signature", "matched_terms": [ "BERYL OIL FIELD" ] }, { "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": 17, "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": 16, "basis": "station-signature", "matched_terms": [ "NAVTEX HAMBURG" ] }, { "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": 4, "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": 3, "basis": "regional-context", "matched_terms": [ "LUNDY" ] }, { "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": "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": 46, "resolved_station_names": [ "Cullercoats" ], "unresolved_message_count": 20 }, { "code": "T", "message_count": 30, "resolved_station_names": [ "Oostende Radio", "Pinneberg", "Niton (France relay)" ], "unresolved_message_count": 11 }, { "code": "S", "message_count": 17, "resolved_station_names": [ "Pinneberg" ], "unresolved_message_count": 2 }, { "code": "V", "message_count": 6, "resolved_station_names": [ "Oostende (Thames Approaches relay)" ], "unresolved_message_count": 2 }, { "code": "E", "message_count": 6, "resolved_station_names": [ "Niton" ], "unresolved_message_count": 3 }, { "code": "Q", "message_count": 1, "resolved_station_names": [ "Split" ], "unresolved_message_count": 0 }, { "code": "P", "message_count": 1, "resolved_station_names": [], "unresolved_message_count": 1 }, { "code": "O", "message_count": 1, "resolved_station_names": [], "unresolved_message_count": 1 }, { "code": "L", "message_count": 1, "resolved_station_names": [], "unresolved_message_count": 1 }, { "code": "K", "message_count": 1, "resolved_station_names": [ "Niton (France relay)" ], "unresolved_message_count": 0 }, { "code": "A", "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 111 messages; dominant B1 codes were G (46), T (30), S (17); keyword concentration led by fog (11), warning (4), gale (4), ais (2).", "[SA92] navigational warning for Germany - German Bight and German North Sea. Readable text says: 'nordney' lighthouse 5 -43n 007-14e.", "[SA93] navigational warning for Germany - German Bight and German North Sea. Readable text says: Cardinale buoy 'duene-o' 54-10.8n 007-56.1e adrift. Decoding is partial rather than complete.", "[QA05] navigational warning for Croatia - Adriatic Sea. Readable text says: Runuq e. navigation, anchoring and oth y. Decoding is partial rather than complete.", "No direct mentions were found in this corpus window." ], "main_developments": [ "[SA92] navigational warning for Germany - German Bight and German North Sea. Readable text says: 'nordney' lighthouse 5 -43n 007-14e.", "[SA93] navigational warning for Germany - German Bight and German North Sea. Readable text says: Cardinale buoy 'duene-o' 54-10.8n 007-56.1e adrift. Decoding is partial rather than complete.", "[QA05] navigational warning for Croatia - Adriatic Sea. Readable text says: Runuq e. navigation, anchoring and oth y. Decoding is partial rather than complete.", "[PA99] navigational warning for Unresolved B1 code P. Readable text says: Yellow special mark light buoys fl(5) y20s. Decoding is partial rather than complete.", "[GA89] navigational warning for Unresolved B1 code G. Readable text says: Hywind floating wind farm. Decoding is partial rather than complete.", "[GA97] navigational warning for Unresolved B1 code G. Readable text says: Dudgeon south buoy 53-12.5n 001-25.6e unlit. Decoding is partial rather than complete.", "[GA71] 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. Decoding is partial rather than complete.", "[GA02] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text reports a fog signal outage. Decoding is partial rather than complete." ], "weather_and_sea_state": [ "[GA71] 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. Decoding is partial rather than complete.", "[GA02] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text reports a fog signal outage. Decoding is partial rather than complete.", "[GB27] meteorological warning for United Kingdom - North Sea and north-east UK coast. Readable text says: Southerly gale force 8 increasing severe gale force 9 later.", "[VA63] navigational warning for Unresolved B1 code V. Readable text reports a fog signal outage. 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. Decoding is partial rather than complete." ], "navigation_and_safety_alerts": [ "[SA92] navigational warning for Germany - German Bight and German North Sea. Readable text says: 'nordney' lighthouse 5 -43n 007-14e.", "[SA93] navigational warning for Germany - German Bight and German North Sea. Readable text says: Cardinale buoy 'duene-o' 54-10.8n 007-56.1e adrift. Decoding is partial rather than complete.", "[QA05] navigational warning for Croatia - Adriatic Sea. Readable text says: Runuq e. navigation, anchoring and oth y. Decoding is partial rather than complete.", "[PA99] navigational warning for Unresolved B1 code P. Readable text says: Yellow special mark light buoys fl(5) y20s. Decoding is partial rather than complete.", "[GA89] navigational warning for Unresolved B1 code G. Readable text says: Hywind floating wind farm. Decoding is partial rather than complete.", "[GA97] navigational warning for Unresolved B1 code G. Readable text says: Dudgeon south buoy 53-12.5n 001-25.6e unlit. Decoding is partial rather than complete.", "[GA71] 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. Decoding is partial rather than complete.", "[GA02] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text reports a fog signal outage. Decoding is partial rather than complete." ], "electronic_interference_and_navigation_integrity": [ "[GA02] navigational warning for United Kingdom - North Sea and north-east UK coast. Readable text reports a fog signal outage. Decoding is partial rather than complete.", "[unknown] operational notice for Unresolved B1 code G. Readable text says an AIS transmitter is inoperative. Decoding is partial rather than complete.", "[VA63] navigational warning for Unresolved B1 code V. Readable text reports a fog signal outage. 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. Decoding is partial rather than complete." ], "special_operations_and_military_activity": [ "[TA30] navigational warning for Belgium - Belgian coast and southern North Sea. Readable text says: Moflitary exercises with use of red flares. Decoding is partial rather than complete.", "[TA30] navigational warning for Belgium - Belgian coast and southern North Sea. Readable text says: Will conduct litary exercises with usevo d flares. 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=18, medium=43, low=50.", "49 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.", "50 messages were classified as low decode quality and may contain damaged titles or coordinates." ] } }