Callsign:	WDK3556
MMSI number:	368046390
Vessel class:	Sailing (36)
Location:	42°22.22' N 71°03.56' W - locator FN42LI28VV - show map 1.3 km North bearing 1° from Boston, Suffolk County, Massachusetts, United States [?] 4.2 km North bearing 349° from South Boston, Suffolk County, Massachusetts, United States
Last position:	2025-03-12 14:20:17 UTC (1d 8h35m ago) 2025-03-12 10:20:17 EDT local time at Boston, United States [?]
Course:	42° – heading 511°
Speed:	0 km/h
Last path:	WDK3556>ais via kx1t
Positions stored:	66

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.