Callsign:	MDJH4
MMSI number:	235014861
Navigational status:	Under way (engine) (0)
Vessel class:	Sailing (36)
Destination:	THAMES (ETA ***00 00:00)
Location:	51°30.45' N 0°04.40' W - locator IO91XM11ET - show map 1.4 km Southeast bearing 115° from City of London, Greater London, England, United Kingdom [?] 3.6 km East bearing 92° from London, Greater London, England, United Kingdom 7.9 km Northwest bearing 332° from Catford, Greater London, England, United Kingdom 11.5 km North bearing 343° from Beckenham, Greater London, England, United Kingdom
Last position:	2024-10-28 06:04:45 UTC (113d 10h56m ago) 2024-10-28 06:04:45 GMT local time at City of London, United Kingdom [?]
Course:	360° – heading 123°
Speed:	0 km/h
Dimensions:	length 23 m width 6 m draught 0.0 m
Last path:	MDJH4>ais via GM7HHB
Positions stored:	1212

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.