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 NOAA HENRY BIGELOW - show graphs
Map loading...
Callsign: WTDF
MMSI number: 369991000
IMO number: 349057
Navigational status: Moored (5)
Vessel class: (90)
Destination: NEWPORT (ETA Aug21 12:00)
Location: 41°31.82' N 71°19.12' W - locator FN41IM17SG - show map - static map
2.8 miles North bearing 354° from Newport, Newport County, Rhode Island, United States [?]
3.4 miles Northeast bearing 48° from Jamestown, Newport County, Rhode Island, United States
57.1 miles South bearing 194° from South Boston, Suffolk County, Massachusetts, United States
58.7 miles South bearing 193° from Boston, Suffolk County, Massachusetts, United States
Last position: 2017-07-27 10:06:11 EDT (142d 12h13m ago)
2017-07-27 10:06:11 EDT local time at Newport, United States [?]
Course: 256° – heading 72°
Dimensions: width 15 m draught 6.0 m
Last path: WTDF>ais via KB1DML
Positions stored: 8590
Stations near current position of NOAA HENRY BIGELOW - show more
callsign distance last heard - EST      callsign distance last heard - EST
CW64510.9 miles 89°2017-12-16 21:18:30 PACIFIC ENDEAVOR1.2 miles 241°2017-12-05 08:26:21
N1TAG-91.4 miles 70°2017-11-20 14:07:29 KC1EXK-91.5 miles 110°2017-11-26 18:08:11
KC1AQQ1.8 miles 149°2017-11-22 17:11:31 AIYANA2.7 miles 222°2017-11-30 16:05:24
NORTHEAST-PILOT 42.8 miles 189°2017-12-13 19:25:47 NORTHEAST PILOT 22.8 miles 189°2017-12-07 08:00:08
SPIIP2.8 miles 185°2017-11-26 02:11:47 ELFJE2.8 miles 186°2017-12-04 23:00:04
MONDANGO 32.8 miles 185°2017-12-07 08:17:09 EW84103.1 miles 292°2017-12-16 21:18:45
MARTORELL3.6 miles 324°2017-11-30 17:39:42 N4AXQ-124.0 miles 33°2017-12-16 09:26:57
N4AXQ-94.0 miles 33°2017-12-16 16:46:22 5380706194.0 miles 22°2017-11-25 05:21:56
3380392554.1 miles 22°2017-11-25 05:31:16 MOONRACER4.1 miles 23°2017-11-22 19:23:50
K1NPT4.2 miles 158°2017-12-02 23:54:12 HOPE4.8 miles 319°2017-12-14 13:15:58
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.
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