Source callsign:	BI4PGN-S
Comment:	70cm Voice (D-Star) 439.99000MHz +0.0000MHz
Location:	39°52.49' N 116°43.20' E - locator OM89IU69JX - show map 10.8 km East bearing 108° from Tongzhou, Beijing, China [?] 27.8 km East bearing 97° from Beijing, Beijing, China 90.3 km Northwest bearing 334° from Tianjin, Tianjin Shi, China
Last position:	2025-06-21 18:50:54 UTC (131d 21h18m ago) 2025-06-22 02:50:54 CST local time at Tongzhou, China [?]
Altitude:	3 m
Last path:	BI4PGN-S>APDG01 via TCPIP*,qAC,BI4PGN-GS
Positions stored:	4
Others sourced by BI4PGN-S:	BI4PGN B BI4PGN H BI4PGN M BI4PGN Z

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.