Comment:	AB9TR
Location:	38°37.93' N 90°18.18' W - ตำแหน่ง EM48UP31PR - show map 1.5 km ตะวันออก bearing 75° มาจาก Richmond Heights, Saint Louis County, Missouri, United States [?] 2.1 km ตะวันออกเฉียงใต้ bearing 123° มาจาก Clayton, Saint Louis County, Missouri, United States 9.1 km ตะวันตก bearing 273° มาจาก Saint Louis, City of Saint Louis, Missouri, United States 39.7 km ตะวันออกเฉียงใต้ bearing 120° มาจาก O'Fallon, Saint Charles County, Missouri, United States
Last position:	2025-10-10 21:16:45 UTC (62d 11h46m ago) 2025-10-10 16:16:45 CDT เวลาท้องถิ่น Richmond Heights, United States [?]
Altitude:	125 m
Course:	111°
ความเร็ว:	63 km/h
Device:	Rob Wittner, KZ5RW: APRS/CE (app)
Last path:	AB9TR-9>APCR10 via K0ATT-10,WIDE1*,WIDE2-1,qAO,KE0JZE
Positions stored:	7

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.