Callsign:	PA 3998
MMSI number:	244170424
Navigational status:	Under way (engine) (0)
Vessel class:	(90)
Location:	52°08.04' N 4°28.27' E - locator JO22FD62MD - show map 1.7 km Northeast bearing 65° from Voorschoten, Gemeente Voorschoten, South Holland, Netherlands [?] 3.1 km Southwest bearing 209° from Leiden, Gemeente Leiden, South Holland, Netherlands 23.5 km North bearing 359° from Rotterdam, Gemeente Rotterdam, South Holland, Netherlands 39.0 km Southwest bearing 227° from Amsterdam, Gemeente Amsterdam, North Holland, Netherlands
Last position:	2025-11-10 11:12:07 UTC (5d 9h44m ago) 2025-11-10 12:12:07 CET local time at Voorschoten, Netherlands [?]
Course:	60° – heading 511°
Speed:	9 km/h
Dimensions:	draught 0.0 m
Last path:	PA 3998>ais via Southwood
Positions stored:	2814

This page shows real-time information collected from the Automatic Position Reporting System Internet network (APRS-IS). APRS is used by amateur (ham) radio operators to transmit real-time position information, weather data, telemetry and messages over the radio. A vehicle equipped with a GPS receiver, a VHF transmitter or HF transceiver and a small computer device called a tracker transmits it's location, speed and course in a small data packet, which is then received by a nearby iGate receiving site which forwards the packet on the Internet. Systems connected to the Internet can send information on the APRS-IS without a radio transmitter, or collect and display information transmitted anywhere in the world.