Station info - map view · info · telemetry · weather · raw · status · beacons · messages · bulletins · browse · moving · my account
Callsign, ship name or locator: Clear       
It is possible to search using wildcards (*?) after a prefix. Example: OH*
APRS station K3NNI-15 - show graphs
Comment: *Unified Radios on B1-plus*
Location: 38°37.32' N 90°21.82' W - locator EM48TO69IG - show map
1.3 km West bearing 292° from Brentwood, Saint Louis County, Missouri, United States [?]
3.4 km Southeast bearing 154° from Ladue, Saint Louis County, Missouri, United States
14.4 km West bearing 268° from Saint Louis, City of Saint Louis, Missouri, United States
35.9 km Southeast bearing 126° from O'Fallon, Saint Charles County, Missouri, United States
Last position: 2025-06-29 00:50:18 UTC (20d 5h50m ago)
2025-06-28 19:50:18 CDT local time at Brentwood, United States [?]
Device: Unknown: Unknown
Last path: K3NNI-15>APRS via qAC,URADIOS
Positions stored: 6
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.
User guide · FAQ · Blog · Discussion group · Linking to aprs.fi · AIS sites · Service status · Database statistics · Advertising on aprs.fi · Technical details · API · Change log · Planned changes · Credits and thanks · Terms Of Service · iPhone/iPad APRS