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 CATALYST - show graphs
Callsign: WDM8105
MMSI number: 368240240
Navigational status: Undefined/default (15)
Vessel class: Pleasure (37)
Location: 47°18.15' N 122°34.43' W - locator CN87RH12DO - show map
5.1 miles Northwest bearing 328° from Fircrest, Pierce County, Washington, United States [?]
7.0 miles Northwest bearing 299° from Tacoma, Pierce County, Washington, United States
23.8 miles Southwest bearing 208° from Seattle, King County, Washington, United States
Last position: 2024-09-28 19:24:49 EDT (26d 8h1m ago)
2024-09-28 16:24:49 PDT local time at Fircrest, United States [?]
Course: 360° – heading 239°
Speed: 117 MPH
Dimensions: length 9 m width 3 m draught 0.0 m
Last path: WDM8105>ais via Teachgeek
Positions stored: 94
Stations near current position of CATALYST - show more
callsign distance last heard - EDT      callsign distance last heard - EDT
BELLA DONNA1.1 miles 111°2024-09-30 13:57:56 SOLSTICE1.2 miles 4°2024-10-08 19:09:35
ISLAND CHIEF1.2 miles 27°2024-10-25 03:25:00 NORTH STAR1.4 miles 19°2024-09-29 18:23:06
CHANZY1.5 miles 11°2024-09-28 18:29:41 ISLAND VENTURE1.5 miles 38°2024-10-24 22:57:31
HOLD FAST1.6 miles 45°2024-10-24 14:37:39 LISA MARIE1.7 miles 6°2024-10-22 15:58:40
KG7MPF-71.7 miles 174°2024-10-20 20:38:10 KG7MPF-71.7 miles 174°2024-10-20 20:11:35
KG7MPF1.7 miles 173°2024-10-22 00:01:10 KG7MPF-91.9 miles 160°2024-10-16 20:56:36
MERRY MAKER2.1 miles 49°2024-10-10 19:45:56 SEPHINA2.2 miles 58°2024-10-12 17:13:15
RAEOCKS2.4 miles 74°2024-10-12 19:15:15 KB7BDI-92.6 miles 94°2024-10-01 21:41:14
Pt Defiance2.7 miles 83°2024-10-01 13:27:08 LIFE AQUATIC2.7 miles 81°2024-10-20 14:10:32
WSF SALISH2.8 miles 84°2024-10-25 03:25:00 MAKE IT SWEET2.8 miles 82°2024-10-13 20:01:24
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