Callsign:	MLRX4
MMSI number:	235033663
Navigational status:	Undefined/default (15)
Vessel class:	Sailing (36)
Location:	51°57.39' N 1°17.58' E - locator JO01PW59DN - show map 1.7 km East bearing 95° from Shotley Gate, Suffolk, England, United Kingdom [?] 1.7 km North bearing 20° from Harwich, Essex, England, United Kingdom 107.3 km Northeast bearing 62° from City of London, Greater London, England, United Kingdom 109.6 km Northeast bearing 62° from London, Greater London, England, United Kingdom
Last position:	2025-08-10 16:37:42 UTC (3d 3h40m ago) 2025-08-10 17:37:42 BST local time at Shotley Gate, United Kingdom [?]
Course:	313° – heading 318°
Speed:	7 km/h
Dimensions:	length 12 m width 4 m draught 0.0 m
Last path:	MLRX4>ais via G7OCD
Positions stored:	382

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.