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APRS station JL1SDA-7 - show graphs
Mic-E message: Off duty
Location: 35°58.34' N 138°21.52' E - locator PM95EX33AI - show map
18.5 km East bearing 98° from Chino, Nagano, Japan [?]
23.3 km East bearing 108° from Suwa, Nagano, Japan
117.0 km West bearing 274° from Saitama, Saitama, Japan
129.7 km Northwest bearing 297° from Yokohama-shi, Kanagawa, Japan
Last position: 2025-07-21 00:02:55 UTC (9h9m ago)
2025-07-21 09:02:55 JST local time at Chino, Japan [?]
Altitude: 2808 m
Course: 37°
Speed: 0 km/h
Device: Yaesu: FT3D (ht)
Last path: JL1SDA-7>SUUXS4 via WIDE1-1,WIDE2-1,qAR,JR0ZGT-10 (good)
Positions stored: 452
Other SSIDs: JL1SDA
Stations which heard JL1SDA-7 directly on radio –
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.
About this site
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.
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