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*
AIS vessel CATHARINA - show graphs
Callsign: DA4923
MMSI number: 211473450
Navigational status: Under way (engine) (0)
Vessel class: Cargo (79)
Destination: DEGEK03910CITYX00240
Location: 51°33.36' N 7°11.86' E - locator JO31ON33RK - show map
6.7 km South bearing 181° from Recklinghausen, North Rhine-Westphalia, Germany [?]
9.3 km Southwest bearing 203° from Oer-Erkenschwick, North Rhine-Westphalia, Germany
17.2 km Northeast bearing 47° from Essen, North Rhine-Westphalia, Germany
71.3 km North bearing 14° from Köln (Koeln), Regierungsbezirk Köln, North Rhine-Westphalia, Germany
Last position: 2025-03-04 20:58:39 UTC (1d 9h34m ago)
2025-03-04 21:58:39 CET local time at Recklinghausen, Germany [?]
Course: 249° – heading 249°
Speed: 9 km/h
Dimensions: length 0 m width 0 m draught 2.5 m
Last path: DA4923>ais via do1dbs
Positions stored: 35349
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