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 SQ4KDF-Y - show graphs
Comment: FTM-300D via MMDVM
Location: 53°46.64' N 20°29.22' E - locator KO03FS86KN - show map
553.0 m Southwest bearing 238° from Olsztyn, Warmian-Masurian Voivodeship, Poland [?]
6.7 km South bearing 175° from Dywity, Powiat olsztyński, Warmian-Masurian Voivodeship, Poland
103.3 km South bearing 181° from Kaliningrad, Kaliningrad, Russia
136.0 km Southeast bearing 117° from Gdańsk, Gdańsk, Pomeranian Voivodeship, Poland
Last position: 2025-05-30 09:35:48 UTC (1d 15h52m ago)
2025-05-30 11:35:48 CEST local time at Olsztyn, Poland [?]
Device: unknown: D-Star APDPRS (D-Star)
Last path: SQ4KDF-Y>APDPRS via C4FM*,qAR,SR4UVN-R (good)
Positions stored: 4
Other SSIDs: SQ4KDF-9 SQ4KDF SQ4KDF-18 SQ4KDF-B SQ4KDF-DP SQ4KDF-R SQ4KDF-D SQ4KDF-5
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