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 object JLTEST4 - show graphs
Source callsign: WB2OSZ-5
Comment: test 4 !X!
Location: 42°37.18' N 71°20.87' W - locator FN42HO88GR - show map
1.7 miles Northeast bearing 36° from Chelmsford, Middlesex County, Massachusetts, United States [?]
1.9 miles Southwest bearing 239° from Lowell, Middlesex County, Massachusetts, United States
23.2 miles Northwest bearing 321° from Boston, Suffolk County, Massachusetts, United States
24.9 miles Northwest bearing 323° from South Boston, Suffolk County, Massachusetts, United States
Last position: 2024-05-30 21:53:31 EDT (241d 3h56m ago)
2024-05-30 21:53:31 EDT local time at Chelmsford, United States [?]
Last path: WB2OSZ-5>APDW18 via qAO,KB1TSO
Positions stored: 1
Others sourced by WB2OSZ-5: JLTEST1 JLTEST3 JLTEST5
Stations near current position of JLTEST4 - show more
callsign distance last heard - EST      callsign distance last heard - EST
WB2OSZ-5100.6 yards 144°2025-01-27 00:37:02 IW3IAA100.6 yards 144°2025-01-19 05:53:54
AA4JW100.6 yards 144°2025-01-18 09:18:13 IU3RCC-3100.6 yards 144°2025-01-16 08:21:36
KK7MRC100.6 yards 144°2025-01-25 01:26:10 KR4ZY-7100.6 yards 144°2025-01-25 14:57:18
CW36600.7 miles 52°2025-01-27 00:40:17 AA1HO0.7 miles 66°2025-01-26 11:14:18
KB1DDC-71.0 miles 270°2025-01-26 10:56:59 N1BFO1.2 miles 206°2025-01-27 00:45:29
W1GCF-91.2 miles 3°2025-01-26 15:29:18 W1GCF-71.2 miles 0°2025-01-26 20:17:29
W1MWS-131.5 miles 309°2025-01-27 00:49:19 N1ECC-71.8 miles 82°2025-01-06 10:17:15
N1CVO-91.9 miles 101°2024-12-31 15:32:24 N1CVO-51.9 miles 101°2025-01-21 22:29:46
EW89582.1 miles 114°2025-01-27 00:40:17 KC1RNQ-122.3 miles 100°2025-01-26 18:12:07
KB1MGG2.3 miles 91°2025-01-26 11:13:38 K1UTS2.4 miles 194°2025-01-27 00:45:36
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