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 SVITZER THAMES - show graphs
Callsign: MIRS7
MMSI number: 232033454
IMO number: 795804
Navigational status: Under way (engine) (0)
Vessel class: Tug (52)
Destination: GRAVESEND (ETA Jul11 08:00)
Location: 51°29.48' N 0°49.14' E - locator JO01JL87GW - show map
7.1 km Northeast bearing 35° from Sheerness, Kent, England, United Kingdom [?]
9.7 km Northeast bearing 31° from Queenborough, Kent, England, United Kingdom
63.1 km East bearing 92° from City of London, Greater London, England, United Kingdom
65.4 km East bearing 91° from London, Greater London, England, United Kingdom
Last position: 2025-06-06 12:36:49 UTC (54d 15h26m ago)
2025-06-06 13:36:49 BST local time at Sheerness, United Kingdom [?]
Course: 270° – heading 268°
Speed: 19 km/h
Dimensions: length 32 m width 12 m draught 5.6 m
Last path: MIRS7>ais via IC8FGU
Positions stored: 2604
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