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 CHANGE OF LATITUDE - show graphs
Callsign: WDF3234
MMSI number: 367437530
IMO number: 488660
Navigational status: Under way (engine) (0)
Vessel class: Pleasure (37)
Location: 47°39.68' N 122°22.89' W - locator CN87TP48FQ - show map
4.4 miles Northwest bearing 329° from Seattle, King County, Washington, United States [?]
7.7 miles West bearing 291° from Medina, King County, Washington, United States
70.1 miles Southeast bearing 139° from Victoria, British Columbia, Canada
Last position: 2025-01-08 14:07:48 EST (23d 12h31m ago)
2025-01-08 11:07:48 PST local time at Seattle, United States [?]
Course: 9° – heading 511°
Speed: 0 MPH
Dimensions: length 0 m width 0 m draught 0.0 m
Last path: WDF3234>ais via KB7RYY
Positions stored: 1618
Stations near current position of CHANGE OF LATITUDE - show more
callsign distance last heard - EST      callsign distance last heard - EST
EMERALD56.4 yards 14°2025-01-30 15:43:34 S V OFFSHORE60.6 yards 16°2025-01-07 15:46:23
COHO70.8 yards 27°2025-01-21 11:08:31 DREAMS75.7 yards 33°2025-01-31 12:00:19
3 WIRE89.6 yards 81°2025-02-01 01:11:30 MIDNIGHT SUN107.9 yards 276°2025-01-17 18:09:52
VAGARI MARIS115.8 yards 195°2025-01-31 02:07:49 ICY BAY158.4 yards 172°2025-02-01 02:38:31
ODYSSEA163.3 yards 23°2025-01-09 17:35:14 KATHLEEN K190.8 yards 163°2025-02-01 01:34:30
MALASPINA201.0 yards 329°2025-01-22 13:49:36 AUTUMN DAWN209.6 yards 169°2025-01-15 03:40:38
SBS PROVIDER210.9 yards 176°2025-02-01 02:38:31 ROLLO232.1 yards 181°2025-02-01 02:38:31
TUGIDAK238.4 yards 177°2025-02-01 02:37:31 EVVIVA242.5 yards 268°2025-02-01 02:31:31
FASTER HORSES253.9 yards 321°2025-02-01 01:14:30 LUX INVICTA264.5 yards 268°2025-01-29 16:26:08
ANDIAMO272.2 yards 277°2025-02-01 02:34:31 LITTLE BLACKWOOD294.7 yards 112°2025-01-22 18:01:37
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