Source callsign:	DS1UPG-S
Comment:	70cm Voice (D-Star) 439.80000MHz +0.0000MHz
Location:	37°34.01' N 126°58.73' E - ตำแหน่ง PM37LN76LA - show map 181.7 m ตะวันออกเฉียงใต้ bearing 151° มาจาก Seoul, Seoul, South Korea [?] 14.0 km ตะวันออกเฉียงเหนือ bearing 45° มาจาก Kwangmyŏng, Gyeonggi, South Korea 25.2 km ตะวันออกเฉียงเหนือ bearing 60° มาจาก Incheon, Incheon, South Korea
Last position:	2025-06-25 22:40:07 UTC (1m41s ago) 2025-06-26 07:40:07 KST เวลาท้องถิ่น Seoul, South Korea [?]
Altitude:	3 m
Last path:	DS1UPG-S>APDG01 via TCPIP*,qAC,DS1UPG-GS
Positions stored:	3

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.