SERGEY LVOV

{
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{
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    "zone_id": "osint_bosphorus"
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{
    "vessel_a": {
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        "imo": 9359569,
        "name": "SAMANYOLU",
        "flag": "PALAU"
    },
    "vessel_b": {
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        "imo": 9884150,
        "name": "SERGEY LVOV",
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    "duration_minutes": 42,
    "overlap_duration_s": 2523,
    "speed_a_avg": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_a_std": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
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    "time_window": {
        "start": "2026-07-19T19:30:47+00:00",
        "end": "2026-07-19T20:12:50+00:00"
    },
    "points_count": {
        "vessel_a": 4,
        "vessel_b": 4
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 55,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 482m, avg 490m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 42 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b17m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (SAMANYOLU and SERGEY LVOV) maintained close proximity (min 482m, avg 490m) for 42 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    },
    "sar": {
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            "lon": 28.745805799999999408100848086178302764892578125
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            "start_ts": "2026-07-19T19:06:23+00:00",
            "end_ts": "2026-07-19T20:12:50+00:00"
        },
        "searched_at": "2026-07-20T01:45:01.819955+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
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{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 319,
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    "first_point": {
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{
    "vessel_a": {
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        "imo": 9359569,
        "name": "SAMANYOLU",
        "flag": "PALAU"
    },
    "vessel_b": {
        "mmsi": 273295620,
        "imo": 9884150,
        "name": "SERGEY LVOV",
        "flag": "RUSSIA"
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    "avg_distance_m": 489.30000000000001136868377216160297393798828125,
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    },
    "time_window": {
        "start": "2026-07-19T18:30:47+00:00",
        "end": "2026-07-19T20:12:50+00:00"
    },
    "points_count": {
        "vessel_a": 9,
        "vessel_b": 9
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 70,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 472m, avg 489m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 102 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b19m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SAMANYOLU and SERGEY LVOV) maintained close proximity (min 472m, avg 489m) for 102 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 384,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-07-19T15:29:29+00:00",
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{
    "vessel_a": {
        "mmsi": 273295620,
        "imo": 9884150,
        "name": "SERGEY LVOV",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 511101642,
        "imo": 9359569,
        "name": "SAMANYOLU",
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    "avg_distance_m": 494.8999999999999772626324556767940521240234375,
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    "overlap_duration_s": 20757,
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    "speed_summary": {
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            "max_sog": 0
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    },
    "time_window": {
        "start": "2026-07-19T13:06:27+00:00",
        "end": "2026-07-19T18:52:24+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 490m, avg 495m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 346 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SERGEY LVOV and SAMANYOLU) maintained close proximity (min 490m, avg 495m) for 346 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    },
    "sar": {
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            "start_ts": "2026-07-19T13:06:27+00:00",
            "end_ts": "2026-07-19T18:52:24+00:00"
        },
        "searched_at": "2026-07-19T19:15:01.886723+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "osint_bosphorus",
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    "dwell_minutes": 389.8999999999999772626324556767940521240234375,
    "points_in_zone": 7,
    "first_point": {
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{
    "vessel_a": {
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        "imo": 9884150,
        "name": "SERGEY LVOV",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 511101642,
        "imo": 9359569,
        "name": "SAMANYOLU",
        "flag": "PALAU"
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    "avg_distance_m": 482.1000000000000227373675443232059478759765625,
    "distance_consistency_m": 15.199999999999999289457264239899814128875732421875,
    "duration_minutes": 34,
    "overlap_duration_s": 2043,
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    "speed_b_std": 0.070000000000000006661338147750939242541790008544921875,
    "speed_summary": {
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    },
    "time_window": {
        "start": "2026-07-19T12:32:24+00:00",
        "end": "2026-07-19T13:06:27+00:00"
    },
    "points_count": {
        "vessel_a": 2,
        "vessel_b": 2
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 55,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 471m, avg 482m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 34 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b115m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (SERGEY LVOV and SAMANYOLU) maintained close proximity (min 471m, avg 482m) for 34 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
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        "time_window": {
            "start_ts": "2026-07-19T12:32:24+00:00",
            "end_ts": "2026-07-19T13:06:27+00:00"
        },
        "searched_at": "2026-07-19T16:00:07.428809+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
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    "dwell_minutes": 394,
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        "ts": "2026-07-19T19:06:23+00:00",
        "lat": 40.96512830000000349173205904662609100341796875,
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{
    "vessel_a": {
        "mmsi": 273295620,
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    },
    "vessel_b": {
        "mmsi": 511101642,
        "imo": 9359569,
        "name": "SAMANYOLU",
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    "avg_distance_m": 477.8999999999999772626324556767940521240234375,
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    "speed_summary": {
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    "time_window": {
        "start": "2026-07-19T09:47:24+00:00",
        "end": "2026-07-19T13:06:27+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 469m, avg 478m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 199 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b113m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SERGEY LVOV and SAMANYOLU) maintained close proximity (min 469m, avg 478m) for 199 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
    "zone_id": "osint_bosphorus",
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{
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    "first_point": {
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{
    "zone_id": "osint_bosphorus",
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    "points_in_zone": 6,
    "first_point": {
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        "lon": 28.74705829999999906476659816689789295196533203125
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{
    "zone_id": "osint_bosphorus",
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{
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{
    "radius_m": 131,
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{
    "vessel_a": {
        "mmsi": 273295620,
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        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 511101642,
        "imo": 9359569,
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    "duration_minutes": 42,
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    "speed_summary": {
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            "max_sog": 0
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    "time_window": {
        "start": "2026-07-19T04:24:58+00:00",
        "end": "2026-07-19T05:06:58+00:00"
    },
    "points_count": {
        "vessel_a": 4,
        "vessel_b": 4
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    "zone_id": "osint_bosphorus",
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    "score": {
        "value": 55,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 438m, avg 467m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 42 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b123m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (SERGEY LVOV and SAMANYOLU) maintained close proximity (min 438m, avg 467m) for 42 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    },
    "sar": {
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            "end_ts": "2026-07-19T05:06:58+00:00"
        },
        "searched_at": "2026-07-19T10:45:10.695985+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
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}

{
    "zone_id": "osint_bosphorus",
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    "radius_m": 110.900000000000005684341886080801486968994140625,
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{
    "vessel_a": {
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    "time_window": {
        "start": "2026-07-19T03:40:03+00:00",
        "end": "2026-07-19T05:06:58+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 65,
        "components": {
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                "score": 5,
                "max": 25,
                "detail": "Min distance 438m, avg 465m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 87 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b117m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SERGEY LVOV and SAMANYOLU) maintained close proximity (min 438m, avg 465m) for 87 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
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            "start_ts": "2026-07-19T03:21:09+00:00",
            "end_ts": "2026-07-19T05:06:58+00:00"
        },
        "searched_at": "2026-07-19T09:30:15.884158+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
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}

{
    "zone_id": "osint_bosphorus",
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    "radius_m": 131.30000000000001136868377216160297393798828125,
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{
    "vessel_a": {
        "mmsi": 273295620,
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        "flag": "RUSSIA"
    },
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    "time_window": {
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    "points_count": {
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    "zone_id": "osint_bosphorus",
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                "detail": "Min distance 438m, avg 470m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 179 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b113m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
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}

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{
    "zone_id": "osint_bosphorus",
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        "max_lon": 28.7474567000000007510607247240841388702392578125
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    "zone_id": "osint_bosphorus"
}

{
    "vessel_a": {
        "mmsi": 273295620,
        "imo": 9884150,
        "name": "SERGEY LVOV",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 511101642,
        "imo": 9359569,
        "name": "SAMANYOLU",
        "flag": "PALAU"
    },
    "min_distance_m": 438.30000000000001136868377216160297393798828125,
    "avg_distance_m": 468.8999999999999772626324556767940521240234375,
    "distance_consistency_m": 12.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 193.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 11634,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
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        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-07-19T01:53:04+00:00",
        "end": "2026-07-19T05:06:58+00:00"
    },
    "points_count": {
        "vessel_a": 16,
        "vessel_b": 16
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 438m, avg 469m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 194 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b112m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SERGEY LVOV and SAMANYOLU) maintained close proximity (min 438m, avg 469m) for 194 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
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    "points_in_zone": 32,
    "first_point": {
        "ts": "2026-07-19T00:46:00+00:00",
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        "lon": 28.747101700000001756052370183169841766357421875
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        "ts": "2026-07-19T07:16:26+00:00",
        "lat": 40.96679000000000314685166813433170318603515625,
        "lon": 28.74716000000000093450580607168376445770263671875
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{
    "radius_m": 152.900000000000005684341886080801486968994140625,
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{
    "vessel_a": {
        "mmsi": 273295620,
        "imo": 9884150,
        "name": "SERGEY LVOV",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 511101642,
        "imo": 9359569,
        "name": "SAMANYOLU",
        "flag": "PALAU"
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    "avg_distance_m": 469.30000000000001136868377216160297393798828125,
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    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
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        "vessel_a": {
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            "max_sog": 0
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        "vessel_b": {
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        "start": "2026-07-19T00:57:02+00:00",
        "end": "2026-07-19T05:06:58+00:00"
    },
    "points_count": {
        "vessel_a": 20,
        "vessel_b": 20
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 438m, avg 469m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 250 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b111m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SERGEY LVOV and SAMANYOLU) maintained close proximity (min 438m, avg 469m) for 250 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 396,
    "points_in_zone": 30,
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{
    "radius_m": 118.900000000000005684341886080801486968994140625,
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{
    "vessel_a": {
        "mmsi": 273295620,
        "imo": 9884150,
        "name": "SERGEY LVOV",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 511101642,
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        "vessel_a": {
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    "time_window": {
        "start": "2026-07-18T22:56:57+00:00",
        "end": "2026-07-19T04:51:03+00:00"
    },
    "points_count": {
        "vessel_a": 22,
        "vessel_b": 22
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 75,
        "components": {
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                "score": 5,
                "max": 25,
                "detail": "Min distance 438m, avg 469m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 354 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b110m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SERGEY LVOV and SAMANYOLU) maintained close proximity (min 438m, avg 469m) for 354 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
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{
    "zone_id": "osint_bosphorus",
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{
    "radius_m": 109.400000000000005684341886080801486968994140625,
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{
    "vessel_a": {
        "mmsi": 273295620,
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        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 511101642,
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            "max_sog": 0
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    },
    "time_window": {
        "start": "2026-07-18T21:59:59+00:00",
        "end": "2026-07-19T03:51:59+00:00"
    },
    "points_count": {
        "vessel_a": 23,
        "vessel_b": 23
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 458m, avg 472m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 352 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b17m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SERGEY LVOV and SAMANYOLU) maintained close proximity (min 458m, avg 472m) for 352 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
    "zone_id": "osint_bosphorus",
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    "points_in_zone": 25,
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{
    "radius_m": 52.2999999999999971578290569595992565155029296875,
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{
    "vessel_a": {
        "mmsi": 273295620,
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        "name": "SERGEY LVOV",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 511101642,
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        "vessel_b": {
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            "max_sog": 0
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    },
    "time_window": {
        "start": "2026-07-18T20:17:57+00:00",
        "end": "2026-07-19T02:24:58+00:00"
    },
    "points_count": {
        "vessel_a": 25,
        "vessel_b": 25
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    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 75,
        "components": {
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                "score": 5,
                "max": 25,
                "detail": "Min distance 458m, avg 478m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 367 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b110m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SERGEY LVOV and SAMANYOLU) maintained close proximity (min 458m, avg 478m) for 367 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
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}

{
    "zone_id": "osint_bosphorus",
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{
    "zone_id": "osint_bosphorus",
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{
    "radius_m": 15.5999999999999996447286321199499070644378662109375,
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{
    "zone_id": "osint_bosphorus",
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{
    "radius_m": 86.099999999999994315658113919198513031005859375,
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    "zone_id": "osint_bosphorus"
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{
    "zone_id": "osint_bosphorus",
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{
    "vessel_a": {
        "mmsi": 273295620,
        "imo": 9884150,
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        "flag": "RUSSIA"
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    "duration_minutes": 85,
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    "speed_a_avg": 0,
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    "speed_b_avg": 0.11999999999999999555910790149937383830547332763671875,
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        "vessel_a": {
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        "vessel_b": {
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    "time_window": {
        "start": "2026-07-18T09:41:59+00:00",
        "end": "2026-07-18T11:06:56+00:00"
    },
    "points_count": {
        "vessel_a": 4,
        "vessel_b": 4
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    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 65,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 470m, avg 483m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 85 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b110m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SERGEY LVOV and SAMANYOLU) maintained close proximity (min 470m, avg 483m) for 85 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    },
    "sar": {
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        "time_window": {
            "start_ts": "2026-07-18T09:41:59+00:00",
            "end_ts": "2026-07-18T11:06:56+00:00"
        },
        "searched_at": "2026-07-18T11:45:11.724052+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "osint_bosphorus",
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{
    "zone_id": "osint_bosphorus",
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{
    "zone_id": "osint_bosphorus",
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{
    "zone_id": "osint_bosphorus",
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{
    "radius_m": 170,
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{
    "vessel_a": {
        "mmsi": 511101642,
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        "mmsi": 273295620,
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        "start": "2026-07-18T05:19:40+00:00",
        "end": "2026-07-18T06:33:37+00:00"
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    "points_count": {
        "vessel_a": 10,
        "vessel_b": 10
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    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 65,
        "components": {
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                "score": 5,
                "max": 25,
                "detail": "Min distance 470m, avg 480m"
            },
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                "max": 25,
                "detail": "Duration 74 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
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                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b18m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SAMANYOLU and SERGEY LVOV) maintained close proximity (min 470m, avg 480m) for 74 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
    "zone_id": "osint_bosphorus",
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{
    "radius_m": 148.80000000000001136868377216160297393798828125,
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{
    "vessel_a": {
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        "flag": "RUSSIA"
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    "time_window": {
        "start": "2026-07-18T04:17:55+00:00",
        "end": "2026-07-18T06:03:58+00:00"
    },
    "points_count": {
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        "vessel_b": 10
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    "zone_id": "osint_bosphorus",
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    "score": {
        "value": 70,
        "components": {
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                "score": 5,
                "max": 25,
                "detail": "Min distance 467m, avg 476m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 106 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
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        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SERGEY LVOV and SAMANYOLU) maintained close proximity (min 467m, avg 476m) for 106 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
    "zone_id": "osint_bosphorus",
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{
    "radius_m": 165.400000000000005684341886080801486968994140625,
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{
    "vessel_a": {
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    "time_window": {
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        "end": "2026-07-18T05:03:39+00:00"
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    "points_count": {
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    "zone_id": "osint_bosphorus",
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    "score": {
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                "max": 25,
                "detail": "Min distance 470m, avg 480m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 86 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
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        "summary": "Moderate-confidence STS candidate. Two tankers (SAMANYOLU and SERGEY LVOV) maintained close proximity (min 470m, avg 480m) for 86 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
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}

{
    "zone_id": "osint_bosphorus",
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    "vessel_a": {
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        "start": "2026-07-18T02:07:57+00:00",
        "end": "2026-07-18T03:43:55+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
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    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 70,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 481m, avg 484m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 96 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
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                "score": 15,
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                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SERGEY LVOV and SAMANYOLU) maintained close proximity (min 481m, avg 484m) for 96 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
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{
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{
    "zone_id": "osint_bosphorus",
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    "radius_m": 178.19999999999998863131622783839702606201171875,
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{
    "vessel_a": {
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        "flag": "PALAU"
    },
    "vessel_b": {
        "mmsi": 273295620,
        "imo": 9884150,
        "name": "SERGEY LVOV",
        "flag": "RUSSIA"
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        "vessel_a": {
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    "time_window": {
        "start": "2026-07-18T00:03:47+00:00",
        "end": "2026-07-18T01:27:41+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
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    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 65,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 474m, avg 482m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 84 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b19m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SAMANYOLU and SERGEY LVOV) maintained close proximity (min 474m, avg 482m) for 84 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
    "zone_id": "osint_bosphorus",
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    "points_in_zone": 28,
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{
    "radius_m": 70.2999999999999971578290569595992565155029296875,
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{
    "zone_id": "osint_bosphorus",
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{
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{
    "zone_id": "osint_bosphorus",
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{
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{
    "zone_id": "osint_bosphorus",
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    "dwell_minutes": 383,
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    "first_point": {
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{
    "radius_m": 100.2999999999999971578290569595992565155029296875,
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{
    "vessel_a": {
        "mmsi": 511101642,
        "imo": 9359569,
        "name": "SAMANYOLU",
        "flag": "PALAU"
    },
    "vessel_b": {
        "mmsi": 273295620,
        "imo": 9884150,
        "name": "SERGEY LVOV",
        "flag": "RUSSIA"
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    "avg_distance_m": 490.1000000000000227373675443232059478759765625,
    "distance_consistency_m": 6.0999999999999996447286321199499070644378662109375,
    "duration_minutes": 43,
    "overlap_duration_s": 2581,
    "speed_a_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-17T19:50:42+00:00",
        "end": "2026-07-17T20:33:43+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 55,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 483m, avg 490m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 43 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b16m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (SAMANYOLU and SERGEY LVOV) maintained close proximity (min 483m, avg 490m) for 43 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
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            "start_ts": "2026-07-17T19:50:42+00:00",
            "end_ts": "2026-07-17T20:33:43+00:00"
        },
        "searched_at": "2026-07-17T21:15:01.340160+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 380,
    "points_in_zone": 29,
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        "ts": "2026-07-17T19:55:56+00:00",
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}

{
    "radius_m": 95.2999999999999971578290569595992565155029296875,
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}

{
    "vessel_a": {
        "mmsi": 511101642,
        "imo": 9359569,
        "name": "SAMANYOLU",
        "flag": "PALAU"
    },
    "vessel_b": {
        "mmsi": 273295620,
        "imo": 9884150,
        "name": "SERGEY LVOV",
        "flag": "RUSSIA"
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    "distance_consistency_m": 4.9000000000000003552713678800500929355621337890625,
    "duration_minutes": 32,
    "overlap_duration_s": 1918,
    "speed_a_avg": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_a_std": 0.070000000000000006661338147750939242541790008544921875,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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            "max_sog": 0
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    },
    "time_window": {
        "start": "2026-07-17T18:07:45+00:00",
        "end": "2026-07-17T18:39:43+00:00"
    },
    "points_count": {
        "vessel_a": 2,
        "vessel_b": 2
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 55,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 480m, avg 483m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 32 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (SAMANYOLU and SERGEY LVOV) maintained close proximity (min 480m, avg 483m) for 32 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    },
    "sar": {
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            "start_ts": "2026-07-17T18:07:45+00:00",
            "end_ts": "2026-07-17T18:39:43+00:00"
        },
        "searched_at": "2026-07-18T00:45:01.675628+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 386,
    "points_in_zone": 26,
    "first_point": {
        "ts": "2026-07-17T18:31:57+00:00",
        "lat": 40.96494500000000016370904631912708282470703125,
        "lon": 28.746905000000001706439434201456606388092041015625
    },
    "last_point": {
        "ts": "2026-07-18T00:57:58+00:00",
        "lat": 40.96465830000000352129063685424625873565673828125,
        "lon": 28.747448299999998511111698462627828121185302734375
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}

{
    "radius_m": 100.2999999999999971578290569595992565155029296875,
    "duration_minutes": 386,
    "points": 26,
    "centroid": {
        "lat": 40.96523205384615806678993976674973964691162109375,
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    "bbox": {
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        "min_lon": 28.746553299999998642988430219702422618865966796875,
        "max_lat": 40.96595500000000100726538221351802349090576171875,
        "max_lon": 28.747665000000001356283974018879234790802001953125
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    "zone_id": "osint_bosphorus"
}

{
    "vessel_a": {
        "mmsi": 273295620,
        "imo": 9884150,
        "name": "SERGEY LVOV",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 511101642,
        "imo": 9359569,
        "name": "SAMANYOLU",
        "flag": "PALAU"
    },
    "min_distance_m": 479.69999999999998863131622783839702606201171875,
    "avg_distance_m": 489.8999999999999772626324556767940521240234375,
    "distance_consistency_m": 6.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 123,
    "overlap_duration_s": 7381,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.070000000000000006661338147750939242541790008544921875,
    "speed_b_std": 0.070000000000000006661338147750939242541790008544921875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.070000000000000006661338147750939242541790008544921875,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        }
    },
    "time_window": {
        "start": "2026-07-17T17:55:55+00:00",
        "end": "2026-07-17T19:58:56+00:00"
    },
    "points_count": {
        "vessel_a": 8,
        "vessel_b": 8
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 480m, avg 490m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 123 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b16m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SERGEY LVOV and SAMANYOLU) maintained close proximity (min 480m, avg 490m) for 123 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 381,
    "points_in_zone": 27,
    "first_point": {
        "ts": "2026-07-17T17:49:56+00:00",
        "lat": 40.96470169999999910714905126951634883880615234375,
        "lon": 28.7471800000000001773514668457210063934326171875
    },
    "last_point": {
        "ts": "2026-07-18T00:10:57+00:00",
        "lat": 40.964556700000002820161171257495880126953125,
        "lon": 28.747665000000001356283974018879234790802001953125
    }
}

{
    "radius_m": 101.900000000000005684341886080801486968994140625,
    "duration_minutes": 381,
    "points": 27,
    "centroid": {
        "lat": 40.9652280925925964538691914640367031097412109375,
        "lon": 28.746839262962961214498136541806161403656005859375
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        "min_lat": 40.964556700000002820161171257495880126953125,
        "min_lon": 28.746553299999998642988430219702422618865966796875,
        "max_lat": 40.96595500000000100726538221351802349090576171875,
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    "zone_id": "osint_bosphorus"
}

{
    "vessel_a": {
        "mmsi": 511101642,
        "imo": 9359569,
        "name": "SAMANYOLU",
        "flag": "PALAU"
    },
    "vessel_b": {
        "mmsi": 273295620,
        "imo": 9884150,
        "name": "SERGEY LVOV",
        "flag": "RUSSIA"
    },
    "min_distance_m": 487.1000000000000227373675443232059478759765625,
    "avg_distance_m": 493.6000000000000227373675443232059478759765625,
    "distance_consistency_m": 5.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 170.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 10255,
    "speed_a_avg": 0.13000000000000000444089209850062616169452667236328125,
    "speed_a_std": 0.11999999999999999555910790149937383830547332763671875,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.13000000000000000444089209850062616169452667236328125,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-17T14:30:49+00:00",
        "end": "2026-07-17T17:21:44+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 487m, avg 494m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 171 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b16m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SAMANYOLU and SERGEY LVOV) maintained close proximity (min 487m, avg 494m) for 171 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 40.96259169999999727451722719706594944000244140625,
            "lon": 28.74639690000000058489604271017014980316162109375
        },
        "time_window": {
            "start_ts": "2026-07-17T14:30:49+00:00",
            "end_ts": "2026-07-17T17:21:44+00:00"
        },
        "searched_at": "2026-07-17T17:30:10.432829+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
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    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-07-17T14:02:00+00:00",
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    "last_point": {
        "ts": "2026-07-17T20:23:55+00:00",
        "lat": 40.9652717000000023972461349330842494964599609375,
        "lon": 28.746674999999999755573298898525536060333251953125
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}

{
    "radius_m": 65.2999999999999971578290569595992565155029296875,
    "duration_minutes": 381.8999999999999772626324556767940521240234375,
    "points": 20,
    "centroid": {
        "lat": 40.96493233999999716843376518227159976959228515625,
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