Station info for BY4SZ-10 – aprs.fi

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APRS digipeater – Statistics for 2025-07:
Comment:	SuZhou BY4SZ APRS iGate 144.640Mhz 14.0V
Location:	31°14.44' N 120°34.45' E - locator PM01GF87VS - show map 5.5 km East bearing 108° from Mudu, Jiangsu Sheng, China [?] 6.5 km South bearing 172° from Shishan, Jiangsu Sheng, China 84.0 km West bearing 272° from Shanghai, Shanghai Shi, China 112.4 km North bearing 20° from Hangzhou, Zhejiang Sheng, China
Last position:	2025-07-20 04:58:15 UTC (2m40s ago) 2025-07-20 12:58:15 CST local time at Mudu, China [?]
Device:	Telemetry devices
Last path:	BY4SZ-10>APET51 via WIDE1-1,WIDE2-1,qAS,BH4FEN-10
Positions stored:	11
Stations heard directly:	78 on radio path – show map
Last heard a station directly:	2025-07-20 05:00:30 UTC (25s ago)
Normal receiver range estimate:	200 km (Updated: 2025-07-20 04:15:59 UTC)
Position packets heard directly:	4701 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.