Callsign:	WDE3771
MMSI number:	367343990
IMO number:	366398
Navigational status:	Under way (engine) (0)
Vessel class:	Tug (52)
Destination:	INDIANA HARBOR
Location:	41°42.34' N 87°32.89' W - locator EN61FQ49FI - show map 5.3 km Northwest bearing 303° from Whiting, Lake County, Indiana, United States [?] 7.4 km North bearing 6° from Burnham, Cook County, Illinois, United States 18.1 km Southeast bearing 152° from Chicago, Cook County, Illinois, United States 64.3 km East bearing 95° from Aurora, Kane County, Illinois, United States
Last position:	2025-07-28 16:11:05 UTC (3d 1h42m ago) 2025-07-28 11:11:05 CDT local time at Whiting, United States [?]
Course:	266° – heading 511°
Speed:	9 km/h
Dimensions:	length 20 m width 5 m draught 3.0 m
Last path:	WDE3771>ais via Snhnry
Positions stored:	77750

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.