Callsign:	WDP6821
MMSI number:	367604660
Vessel class:	Sailing (36)
Location:	41°51.68' N 87°32.39' W - locator EN61FU56FR - show map 9.2 km East bearing 82° from Chicago, Cook County, Illinois, United States [?] 17.8 km East bearing 84° from Cicero, Cook County, Illinois, United States 65.6 km East bearing 80° from Aurora, Kane County, Illinois, United States
Last position:	2025-06-29 16:29:06 UTC (26d 9h14m ago) 2025-06-29 11:29:06 CDT local time at Chicago, United States [?]
Course:	68° – heading 511°
Speed:	10 km/h
Last path:	WDP6821>ais via Snhnry
Positions stored:	13

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.