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APRS station JR1SWD-4 - show graphs
Location: 35°45.88' N 140°01.36' E - ตำแหน่ง QM05AS23RM - show map
2.4 km ตะวันออกเฉียงใต้ bearing 124° มาจาก Kamagaya-shi, Chiba, Japan [?]
5.6 km ตะวันตกเฉียงใต้ bearing 225° มาจาก Shiroi, Chiba, Japan
31.0 km ตะวันออก bearing 74° มาจาก Tokyo, Tōkyō, Japan
49.2 km ตะวันออกเฉียงเหนือ bearing 44° มาจาก Yokohama-shi, Kanagawa, Japan
Last position: 2025-05-31 03:13:23 UTC (4d 13h27m ago)
2025-05-31 12:13:23 JST เวลาท้องถิ่น Kamagaya-shi, Japan [?]
Altitude: 28 m
Device: Icom: IC-9700 (D-Star)
Last path: JR1SWD-4>API970 via DSTAR*,qAS,JP1YKO-IS (good)
Positions stored: 1
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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