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*
APRS station WA1UMU - show graphs
Comment: Mic-E/M2/In Service
Location: 42°18.57' N 71°16.56' W - locator FN42IH64VG - show map
4.4 miles North bearing 5° from Dover, Norfolk County, Massachusetts, United States [?]
6.8 miles Northeast bearing 45° from Sherborn, Middlesex County, Massachusetts, United States
11.5 miles West bearing 253° from Boston, Suffolk County, Massachusetts, United States
11.7 miles West bearing 262° from South Boston, Suffolk County, Massachusetts, United States
Last position: 2025-01-30 16:34:05 EST (6d 15h4m ago)
2025-01-30 16:34:05 EST local time at Dover, United States [?]
Course:
Speed: 25 MPH
Device: VE4KLM: NOSaprs for JNOS 2.0
Last path: WA1UMU>APN20H via W1MHL*,WIDE2-1,qAR,WZ0C-4 (good)
Positions stored: 139
Other SSIDs: WA1UMU-7 WA1UMU-i
Stations near current position of WA1UMU - show more
callsign distance last heard - EST      callsign distance last heard - EST
K1STK-7168.2 yards 148°2025-02-05 20:10:41 WA1UMU-71.4 miles 175°2025-01-31 12:31:46
GW48271.7 miles 234°2025-02-06 07:34:41 CW22932.0 miles 310°2025-02-06 07:38:02
N1EDF-92.1 miles 303°2025-02-05 15:16:48 FW25412.5 miles 98°2025-02-06 07:30:17
N1EDF-22.7 miles 273°2025-02-06 07:19:07 N1EDF-12.7 miles 273°2025-02-06 07:20:08
N1EDF2.7 miles 273°2025-02-06 07:31:00 N1EDF B2.7 miles 273°2025-02-06 07:34:49
N1EDF-B2.7 miles 273°2025-02-06 07:34:59 CW56243.0 miles 61°2025-02-06 07:29:48
K1STK3.6 miles 215°2025-01-08 10:27:40 NT5SM-93.8 miles 77°2025-01-29 13:54:47
147.0303.9 miles 61°2025-02-05 21:00:25 444.6003.9 miles 61°2025-02-05 21:00:55
EW87913.9 miles 30°2025-02-06 07:30:39 K1STK-23.9 miles 221°2025-01-22 09:12:50
EW33264.0 miles 253°2025-02-06 07:30:43 KC1MOL4.1 miles 260°2025-01-08 18:18:08
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