Callsign:	YDA3831
MMSI number:	525021392
Navigational status:	Under way (engine) (0)
Vessel class:	Tug (52)
Destination:	BATAM
Location:	1°15.46' N 103°50.80' E - locator OJ11WG11OU - show map 2.2 miles South bearing 186° from Singapore, Singapore [?] 15.6 miles Southeast bearing 157° from Johor Bahru, Johor, Malaysia
Last position:	2024-06-04 08:30:11 EDT (22d 18h54m ago) 2024-06-04 20:30:11 +08 local time at Singapore, Singapore [?]
Course:	140° – heading 511°
Speed:	4 MPH
Dimensions:	draught 0.0 m
Last path:	YDA3831>ais via 9V1AK
Positions stored:	169

callsign		distance	last heard - EDT		callsign		distance	last heard - EDT
TB LL CALVIN LEE		197.2 yards 330°	2024-06-07 03:31:49		TB LL ANACONDA		408.7 yards 298°	2024-05-29 01:32:51
TB. MTS 51		0.3 miles 283°	2024-05-30 11:05:22		TB.MTS 63		0.3 miles 284°	2024-06-05 14:07:59
TB AMADEUS 1		0.3 miles 313°	2024-06-09 03:57:44		MEGAMAS SWEET		0.4 miles 299°	2024-06-02 16:01:45
525201883		0.4 miles 331°	2024-06-03 12:11:01		TB CAPRICORN 80		0.5 miles 330°	2024-06-10 05:21:40
SCDF RED MANTA		0.5 miles 258°	2024-06-10 04:20:51				0.5 miles 263°	2024-06-10 05:25:21
SCDF RED SAILFISH		0.6 miles 257°	2024-06-10 05:10:00		TB MEGA DAYA 41		0.7 miles 326°	2024-05-30 19:27:39
005631106		0.7 miles 20°	2024-06-22 03:10:19		KOTA RESTU		0.7 miles 298°	2024-06-10 05:12:09
		0.8 miles 256°	2024-06-03 01:21:35		TB.LL DJU MING		0.8 miles 126°	2024-06-07 12:41:10
PROFIT VENTURE		0.8 miles 301°	2024-06-10 04:28:48		563029610		0.9 miles 55°	2024-06-01 06:33:30
ESL DACHAN BAY		0.9 miles 299°	2024-06-22 03:38:45		563218800		0.9 miles 173°	2024-06-10 03:05:09

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.