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 W1MDM B - show graphs
Source callsign: W1MDM-S
Comment: 440 Voice 434.51500MHz +0.0000MHz
Location: 29°39.01' N 98°22.14' W - locator EL09TP56RA - show map - static map
6.4 km West bearing 286° from Garden Ridge, Comal County, Texas, United States [?]
9.5 km Northwest bearing 320° from Selma, Bexar County, Texas, United States
27.9 km Northeast bearing 26° from San Antonio, Bexar County, Texas, United States
91.3 km Southwest bearing 221° from Austin, Travis County, Texas, United States
Last position: 2023-01-30 10:39:38 UTC (13m28s ago)
2023-01-30 04:39:38 CST local time at Garden Ridge, United States [?]
Altitude: 3 m
Last path: W1MDM-S>APDG01 via TCPIP*,qAC,W1MDM-GS
Positions stored: 1
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