Source callsign:	M1DYP-S
Comment:	70cm Voice (D-Star) 439.67500MHz +0.0000MHz
Location:	51°48.99' N 0°12.60' W - ตำแหน่ง IO91VT45TX - show map 1.7 km เหนือ bearing 353° มาจาก Welwyn Garden City, Hertfordshire, England, United Kingdom [?] 1.9 km ใต้ bearing 172° มาจาก Welwyn, Hertfordshire, England, United Kingdom 34.7 km เหนือ bearing 350° มาจาก London, Greater London, England, United Kingdom 34.7 km เหนือ bearing 346° มาจาก City of London, Greater London, England, United Kingdom
Last position:	2025-06-02 21:33:02 UTC (14m16s ago) 2025-06-02 22:33:02 BST เวลาท้องถิ่น Welwyn Garden City, United Kingdom [?]
Altitude:	3 m
Last path:	M1DYP-S>APDG01 via TCPIP*,qAC,M1DYP-GS
Positions stored:	5

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.