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 K9TDB-7 - show graphs
Comment: Rucking
Location: 41°33.13' N 87°10.91' W - locator EN61JN82EM - show map
6.5 km East bearing 70° from Hobart, Lake County, Indiana, United States [?]
7.7 km East bearing 95° from New Chicago, Lake County, Indiana, United States
51.0 km Southeast bearing 130° from Chicago, Cook County, Illinois, United States
97.3 km East bearing 103° from Aurora, Kane County, Illinois, United States
Last position: 2026-01-24 21:16:52 UTC (6d 13h29m ago)
2026-01-24 15:16:52 CST local time at Hobart, United States [?]
Altitude: 196 m
Course: 179°
Speed: 11 km/h
Device: aprs.fi: iPhone/iPad app (app, ios)
Last path: K9TDB-7>APFII0 via WIDE1-1,WIDE2-1,qAR,K9TDB-1 (good)
Positions stored: 2351
Other SSIDs: K9TDB-1 K9TDB-9 K9TDB-2 K9TDB-9 K9TDB-10 K9TDB
Stations which heard K9TDB-7 directly on radio –
callsign pkts first heard - UTC last heard longest (tx => rx) longest at - UTC

Only position packets which were originated by the station are shown here. The range statistics show some extra long hops, because some digipeaters do not correctly add themselves to the digipeater path. Please check the raw packets.
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