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 HB9CR-4 - show graphs
Comment: APRS-DIGI Grindel SO 600m NN
Last beacon: UIDIGI 1.9
Location: 47°22.80' N 7°30.35' E - locator JN37SJ01QE - show map
2.6 km South bearing 196° from Wahlen, Bezirk Laufen, Bâle Campagne, Switzerland [?]
3.1 km Southwest bearing 239° from Büsserach, Bezirk Thierstein, Solothurn, Switzerland
73.2 km South bearing 201° from Freiburg, Regierungsbezirk Freiburg, Baden-Württemberg, Germany
78.6 km West bearing 271° from Zürich, Bezirk Zürich, Zurich, Switzerland
Last position: 2025-02-12 00:08:20 UTC (25m3s ago)
2025-02-12 01:08:20 CET local time at Wahlen, Switzerland [?]
Last path: HB9CR-4>APNU19-3 via WIDE2-1,qAR,HB9FM-4 (good)
Positions stored: 1
APRS digipeater – Statistics for 2025-02:
Stations heard directly: 19 on radio path – show map
Last heard a station directly: 2025-02-11 18:49:40 UTC (5h43m ago)
Normal receiver range estimate: 10 km (Updated: 2020-12-31 22:36:25 UTC)
Position packets heard directly: 525 on radio path
Stations which heard HB9CR-4 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.
Stations heard directly by HB9CR-4
callsign pkts first heard - UTC last heard longest (rx => tx) longest at - UTC

Only stations from which a position packet has been heard 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