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 VINCENT W.SAPP - show graphs
Callsign: WDG4221
MMSI number: 367534260
Navigational status: Under way (engine) (0)
Vessel class: (57)
Destination: ASCEND, DECATUR
Location: 36°08.22' N 87°55.11' W - locator EM66AD92SV - show map
5.7 miles North bearing 20° from Johnsonville, Humphreys County, Tennessee, United States [?]
11.4 miles Northeast bearing 62° from Camden, Benton County, Tennessee, United States
41.3 miles Southwest bearing 229° from Clarksville, Montgomery County, Tennessee, United States
63.3 miles West bearing 269° from Nashville, Davidson County, Tennessee, United States
Last position: 2024-04-26 09:45:02 EDT (26d 14h3m ago)
2024-04-26 08:45:02 CDT local time at Johnsonville, United States [?]
Course: 6° – heading 6°
Speed: 9 MPH
Dimensions: length 117 m width 18 m draught 2.9 m
Last path: WDG4221>ais via KB4YTM
Positions stored: 5388
Stations near current position of VINCENT W.SAPP - show more
callsign distance last heard - EDT      callsign distance last heard - EDT
NICK CIMO124.9 yards 353°2024-05-22 23:33:47 MILES MADISON1.1 miles 7°2024-04-24 21:25:13
TOSCANA@@@@@@@@@@@@@2.6 miles 207°2024-05-21 09:58:46 JARED PHILLIPS2.7 miles 207°2024-05-22 23:47:17
OHXSVRA1A5.4 miles 250°2024-05-09 03:31:55 EXECUTIVE DECISION@@5.5 miles 199°2024-05-20 17:30:58
OHXSVRP1A6.8 miles 37°2024-05-22 15:02:57 MEGFLSS0A7.4 miles 294°2024-05-14 21:22:02
OHXSVRS1A7.8 miles 251°2024-05-22 17:47:58 3682581409.1 miles 206°2024-05-22 23:46:31
W0ZMA9.5 miles 197°2024-05-22 23:45:53 OHXTORC0A10.6 miles 338°2024-05-08 17:32:52
KF4RHZ-N11.3 miles 244°2024-05-22 23:39:30 KF4RHZ-D11.3 miles 244°2024-05-22 23:39:40
36807957011.9 miles 352°2024-05-22 09:10:46 MS LISA13.6 miles 205°2024-05-22 23:47:43
OLIVE PARKER14.3 miles 182°2024-05-22 19:46:33 OHXSVRQ1A14.7 miles 70°2024-05-22 15:16:57
KM4HXR-116.7 miles 315°2024-05-22 23:40:43 CROWN JEWEL18.0 miles 183°2024-05-10 06:05:08
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