Station info for BI4PGN-15 – aprs.fi

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APRS digipeater – Statistics for 2025-08:
Mic-E message:	Off duty
Location:	39°53.34' N 116°38.03' E - locator OM89HV63BI - show map 3.4 km Southeast bearing 122° from Tongzhou, Beijing, China [?] 20.3 km East bearing 96° from Beijing, Beijing, China 95.1 km Northwest bearing 331° from Tianjin, Tianjin Shi, China
Last position:	2025-08-21 17:01:22 UTC (1h52m ago) 2025-08-22 01:01:22 CST local time at Tongzhou, China [?]
Altitude:	42 m
Course:	265°
Speed:	0 km/h
Device:	Yaesu: FTM-400DR (rig)
Last path:	BI4PGN-15>SYUSS4 via WIDE1-1,WIDE2-1,qAS,BI4PGN-11
Positions stored:	22739
Other SSIDs:	BI4PGN-2 BI4PGN-1 BI4PGN-11 BI4PGN-B BI4PGN-8 BI4PGN-7 BI4PGN-14 BI4PGN BI4PGN-3 BI4PGN-D BI4PGN-5 BI4PGN-9 BI4PGN-H BI4PGN-6 BI4PGN-10 BI4PGN-12 BI4PGN-4 BI4PGN-W BI4PGN-M BI4PGN-Z BI4PGN-13
Stations heard directly:	1 on radio path – show map
Last heard a station directly:	2025-07-13 06:11:05 UTC (39d 12h42m ago)
Position packets heard directly:	1 on radio path

callsign		pkts	first heard - UTC	last heard	longest	(tx => rx)	longest at - UTC

Only position packets which were originated by the station are shown here. The range statistics show some extra long hops, because some digipeaters do not correctly add themselves to the digipeater path. Please check the raw packets.

callsign		pkts	first heard - UTC	last heard	longest	(rx => tx)	longest at - UTC

Only stations from which a position packet has been heard are shown here. The range statistics show some extra long hops, because some digipeaters do not correctly add themselves to the digipeater path. Please check the raw packets.

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.