Callsign:	YDB3158
MMSI number:	525119148
Navigational status:	Under way (engine) (0)
Vessel class:	Tug (52)
Destination:	S
Location:	1°16.12' N 103°45.15' E - locator OJ11VG04HL - show map 11.1 km West bearing 258° from Singapore, Singapore [?] 21.9 km South bearing 182° from Johor Bahru, Johor, Malaysia
Last position:	2025-02-11 11:31:24 UTC (1d 6h38m ago) 2025-02-11 19:31:24 +08 local time at Singapore, Singapore [?]
Course:	127° – heading 511°
Speed:	11 km/h
Dimensions:	draught 0.0 m
Last path:	YDB3158>ais via 9V1LW
Positions stored:	559

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.