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 AD6MO-9 - show graphs
Comment: 146.520MHz
Mic-E message: Off duty
Location: 38°22.50' N 90°35.50' W - locator EM48QJ80XA - show map
4.4 miles South bearing 187° from Byrnes Mill, Jefferson County, Missouri, United States [?]
6.5 miles Southwest bearing 207° from High Ridge, Jefferson County, Missouri, United States
27.5 miles Southwest bearing 231° from Saint Louis, City of Saint Louis, Missouri, United States
30.6 miles South bearing 169° from O'Fallon, Saint Charles County, Missouri, United States
Last position: 2025-01-27 13:11:02 EST (5d 7h10m ago)
2025-01-27 12:11:02 CST local time at Byrnes Mill, United States [?]
Altitude: 55098 ft
Position ambiguous: Precision reduced at transmitter by 2 digits, position resolution approximately 1.2 miles.
Course: 313°
Speed: 27 MPH
Device: Yaesu: FTM-300D (rig)
Last path: AD6MO-9>SXRRLZ via K0AMC-5*,K0ATT-10*,WIDE2*,qAR,WB0HTW (seriously-bad)
This station appears to be flying at high altitude and using digipeaters, which causes serious congestion in the APRS network. The tracker should be configured to only use digipeaters when at low altitude.
Positions stored: 15
Stations near current position of AD6MO-9 - show more
callsign distance last heard - EST      callsign distance last heard - EST
AG0MO-90.0 yards 0°2025-01-25 13:31:02 AD0MO-20.6 miles 356°2025-02-01 19:54:27
At0MO-20.6 miles 356°2025-01-04 22:59:30 YD0MO-20.6 miles 356°2025-01-27 07:50:07
AD0MO-91.2 miles 0°2025-02-01 12:44:15 KF0NLF-92.7 miles 17°2025-01-04 13:04:13
N0DSS-123.3 miles 22°2025-01-04 21:05:42 N0DSS-N3.3 miles 22°2025-02-01 20:15:55
N0DSS-83.3 miles 22°2025-01-31 12:08:07 KD0QCT-23.4 miles 251°2025-01-31 07:10:23
KD0QCT-53.4 miles 250°2025-02-01 14:52:09 147.075MO4.1 miles 134°2025-02-01 20:08:22
147.105MO4.6 miles 78°2025-02-01 20:08:27 DW64975.6 miles 300°2025-02-01 20:15:32
KC3LIV-95.7 miles 64°2025-01-26 10:55:50 KD0ZEA-106.4 miles 280°2025-02-01 20:16:37
GW35096.8 miles 137°2025-02-01 20:18:38 N0DSS6.9 miles 28°2025-01-25 00:24:39
N0DSS-16.9 miles 28°2025-02-01 19:48:13 KF9FJ-97.0 miles 130°2025-02-01 18:18:59
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