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 KC1ULS-1 - show graphs
Mic-E message: Committed
Location: 42°53.40' N 71°08.67' W - locator FN42KV23PO - show map
3.0 km Southwest bearing 213° from Danville, Rockingham County, New Hampshire, United States [?]
9.0 km Southwest bearing 235° from Kingston, Rockingham County, New Hampshire, United States
59.5 km North bearing 353° from Boston, Suffolk County, Massachusetts, United States
62.3 km North bearing 353° from South Boston, Suffolk County, Massachusetts, United States
Last position: 2026-01-23 20:58:41 UTC (9d 10h41m ago)
2026-01-23 15:58:41 EST local time at Danville, United States [?]
Altitude: 96 m
Course: 242°
Speed: 57 km/h
Device: Yaesu: FTM-300D (rig)
Last path: KC1ULS-1>4RUS4P via qAR,KA1GJU-3
Positions stored: 1620
Other SSIDs: KC1ULS-7 KC1ULS KC1ULS-3
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