Callsign:	WDN7577
MMSI number:	368309740
IMO number:	333048
Navigational status:	Under way (engine) (0)
Vessel class:	Tug (52)
Destination:	EVERETT (ETA May19 20:00)
Location:	47°17.69' N 122°26.46' W - locator CN87SH70CS - show map 4.7 km North bearing 3° from Tacoma, Pierce County, Washington, United States [?] 10.6 km Northeast bearing 51° from University Place, Pierce County, Washington, United States 18.5 km Northeast bearing 41° from Steilacoom, Pierce County, Washington, United States 35.5 km South bearing 193° from Seattle, King County, Washington, United States
Last position:	2025-03-01 09:09:47 UTC (1h1m ago) 2025-03-01 01:09:47 PST local time at Tacoma, United States [?]
Course:	119.7° – heading 118°
Speed:	18 km/h
Dimensions:	length 20 m width 8 m draught 2.2 m
Last path:	WDN7577>ais via KB7RYY
Positions stored:	11363

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.