{"type": "FeatureCollection", "_meta": {"__meta__": "synthetic", "disclaimer": "Synthetic demo data inspired by real Baltic geography, MMSI/OUI conventions, and infrastructure. Not real observations.", "dataset": "s9-porvoo-drone/ais_snapshot", "version": "1.0"}, "features": [{"type": "Feature", "geometry": {"type": "Point", "coordinates": [25.421125, 59.85352]}, "properties": {"timestamp": "2025-08-14T11:09:30.000000Z", "ts_epoch_ms": 1755169770000, "mmsi": 273992001, "imo": "IMO9993701", "name": "MV VOLKOV", "callsign": "UBVM9", "ship_type": 70, "loa_m": 95, "beam_m": 15, "sog_kn": 25.97, "cog_deg": 187.4, "heading_deg": 187.0, "nav_status": 0, "destination": "FIPRV", "msg_class": "A", "source_receiver": "AIS-COAST-FIN", "watchlist_flag": "YELLOW", "territorial_waters": false, "flag": "PAN"}}, {"type": "Feature", "geometry": {"type": "Point", "coordinates": [24.632588, 59.830454]}, "properties": {"timestamp": "2025-08-14T07:27:00.411075Z", "ts_epoch_ms": 1755156420411, "mmsi": 916051901, "imo": 0, "name": "UNKNOWN", "callsign": "", "ship_type": 52, "loa_m": 0, "beam_m": 0, "sog_kn": 2.66, "cog_deg": 291.6, "heading_deg": 292.0, "nav_status": 0, "destination": "FIPRV", "msg_class": "A", "source_receiver": "AIS-COAST-FIN"}}, {"type": "Feature", "geometry": {"type": "Point", "coordinates": [25.796972, 60.145853]}, "properties": {"timestamp": "2025-08-14T06:58:02.039241Z", "ts_epoch_ms": 1755154682039, "mmsi": 917551860, "imo": 0, "name": "UNKNOWN", "callsign": "", "ship_type": 70, "loa_m": 0, "beam_m": 0, "sog_kn": 7.72, "cog_deg": 218.5, "heading_deg": 218.0, "nav_status": 0, "destination": "FIHEL", "msg_class": "A", "source_receiver": "AIS-COAST-FIN"}}, {"type": "Feature", "geometry": {"type": "Point", "coordinates": [25.840135, 60.315839]}, "properties": {"timestamp": "2025-08-14T07:35:18.527359Z", "ts_epoch_ms": 1755156918527, "mmsi": 942674447, "imo": 0, "name": "UNKNOWN", "callsign": "", "ship_type": 31, "loa_m": 0, "beam_m": 0, "sog_kn": 4.15, "cog_deg": 339.2, "heading_deg": 339.0, "nav_status": 0, "destination": "FIHEL", "msg_class": "A", "source_receiver": "AIS-COAST-FIN"}}, {"type": "Feature", "geometry": {"type": "Point", "coordinates": [25.975952, 59.5615]}, "properties": {"timestamp": "2025-08-14T07:11:59.020703Z", "ts_epoch_ms": 1755155519020, "mmsi": 915327192, "imo": 0, "name": "UNKNOWN", "callsign": "", "ship_type": 30, "loa_m": 0, "beam_m": 0, "sog_kn": 4.46, "cog_deg": 95.9, "heading_deg": 96.0, "nav_status": 0, "destination": "FIPRV", "msg_class": "A", "source_receiver": "AIS-COAST-FIN"}}, {"type": "Feature", "geometry": {"type": "Point", "coordinates": [25.479471, 60.152922]}, "properties": {"timestamp": "2025-08-14T07:43:07.507531Z", "ts_epoch_ms": 1755157387507, "mmsi": 917579996, "imo": 0, "name": "UNKNOWN", "callsign": "", "ship_type": 30, "loa_m": 0, "beam_m": 0, "sog_kn": 2.79, "cog_deg": 247.0, "heading_deg": 247.0, "nav_status": 0, "destination": "FIPRV", "msg_class": "A", "source_receiver": "AIS-COAST-FIN"}}, {"type": "Feature", "geometry": {"type": "Point", "coordinates": [25.862194, 60.541305]}, "properties": {"timestamp": "2025-08-14T07:39:24.838922Z", "ts_epoch_ms": 1755157164838, "mmsi": 913317661, "imo": 0, "name": "UNKNOWN", "callsign": "", "ship_type": 52, "loa_m": 0, "beam_m": 0, "sog_kn": 4.51, "cog_deg": 27.5, "heading_deg": 27.0, "nav_status": 0, "destination": "FIPRV", "msg_class": "A", "source_receiver": "AIS-COAST-FIN"}}, {"type": "Feature", "geometry": {"type": "Point", "coordinates": [25.44688, 59.799214]}, "properties": {"timestamp": "2025-08-14T07:08:01.342477Z", "ts_epoch_ms": 1755155281342, "mmsi": 915817979, "imo": 0, "name": "UNKNOWN", "callsign": "", "ship_type": 70, "loa_m": 0, "beam_m": 0, "sog_kn": 1.92, "cog_deg": 248.5, "heading_deg": 249.0, "nav_status": 0, "destination": "FIPRV", "msg_class": "A", "source_receiver": "AIS-COAST-FIN"}}, {"type": "Feature", "geometry": {"type": "Point", "coordinates": [25.655, 60.393]}, "properties": {"track_id": "T-DRN-S9-D1", "kind": "airborne", "classification": "drone_small", "alt_m": 60, "timestamp": "2025-08-14T09:45:00.000000Z", "ts_epoch_ms": 1755164700000, "note": "Last radar fix \u2014 Porvoo old town"}}]}