The most widely-used form of Packet Radio, APRS lets stations transmit periodic position beacons, send messages, and other information and forms a self-organizing Mesh Network with the possibility of propagation by both radios and, less frequently, Internet. Links to this note Kansas Amateur Radio Amateur Radio in Kansas Using the Kenwood TH-D72A With PC APRS Software The TH-D72A is a very nice handheld Amateur Radio Transceiver. Among other things, it has an integrated GPS, built-in APRS fun...