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 GRATTITUDE - show graphs
Callsign:
MMSI number: 338371638
Navigational status: Undefined/default (15)
Vessel class: Fishing (30)
Location: 42°21.09' N 71°01.70' W - locator FN42LI64OI - show map
1.6 miles Northeast bearing 41° from South Boston, Suffolk County, Massachusetts, United States [?]
1.7 miles East bearing 107° from Boston, Suffolk County, Massachusetts, United States
4.3 miles East bearing 112° from Cambridge, Middlesex County, Massachusetts, United States
Last position: 2024-06-19 10:47:38 EDT (1d 24m ago)
2024-06-19 10:47:38 EDT local time at South Boston, United States [?]
Course: 120° – heading 511°
Speed: 35 MPH
Dimensions: length 10 m width 4 m draught 0.0 m
Last path: >ais via kx1t
Positions stored: 195
Stations near current position of GRATTITUDE - show more
callsign distance last heard - EDT      callsign distance last heard - EDT
E23XS135.9 yards 163°2024-06-01 17:48:05 PEREGRINE181.5 yards 207°2024-06-15 13:34:40
TAILMATE382.0 yards 317°2024-05-25 13:56:25 ASTERIA393.3 yards 122°2024-06-20 11:11:02
EASTERN RESPONDER427.6 yards 127°2024-06-19 10:20:41 TENACITY II429.9 yards 31°2024-06-19 10:36:27
ROCK IT 2513.4 yards 93°2024-06-10 00:32:34 PREVAIL IV527.6 yards 345°2024-06-02 11:49:46
ALTA0.3 miles 126°2024-06-10 10:08:02 WAVE THEORY0.3 miles 359°2024-06-20 09:53:45
PHILLIS WHEATLEY0.4 miles 281°2024-06-20 11:10:31 DENIS SULLIVAN0.4 miles 307°2024-06-20 11:11:32
BRUNSWICK0.4 miles 178°2024-06-20 10:58:19 THREE GIRLS0.5 miles 129°2024-06-08 19:41:42
LAZY SAILORS0.5 miles 117°2024-06-13 16:58:42 HINGHAM MARINE 20.5 miles 312°2024-05-23 10:52:05
JUST A FLUKE II0.5 miles 332°2024-06-16 12:30:26 CRISPUS ATTUCKS0.5 miles 276°2024-06-20 10:19:12
ENCORE II0.5 miles 290°2024-06-19 21:25:20 SEA TREKKER0.5 miles 130°2024-06-01 18:16:02
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