Location:	33°27.59' N 86°43.07' W - locator EM63PL30UI - show map 1.4 km East bearing 110° from Cahaba Heights, Jefferson County, Alabama, United States [?] 4.8 km Northwest bearing 314° from Lake Purdy, Shelby County, Alabama, United States 10.4 km Southeast bearing 131° from Birmingham, Jefferson County, Alabama, United States 83.8 km East bearing 70° from Tuscaloosa, Tuscaloosa County, Alabama, United States
Last position:	2025-09-08 12:16:10 UTC (8d 22h45m ago) 2025-09-08 07:16:10 CDT local time at Cahaba Heights, United States [?]
Altitude:	241 m
Device:	Icom: IC-51 (D-Star)
Last path:	WN4VSU-H>API51 via DSTAR*,qAR,KI4SBB-B
Positions stored:	144
Other SSIDs:	WN4VSU-D WN4VSU-Z WN4VSU-8 WN4VSU WN4VSU-N

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.