The most commonly used APRS software in the UK is UI-View - written by the author of Winpack, Roger Barker - G4IDE. In addition to supporting the vast majority of APRS features, UI-View also has its own protocol, tailored for communication between fixed stations in a more efficient manner than APRS, by use of specific digipeater paths; UI-View also supports multi-line messages and a host of other features.
Communications SetupOnce you have downloaded and sucessfully installed UI-View, available from Roger Barker - G4IDE's Site www,packetradio.org.uk, you will need to plug your TNC into your computer and set up your communications settings - If you have been using another packet program, such as Winpack, make a note of your communications settings and replicate them
Station SetupAs well as entering your callsign, you will need to tell your system where you are - your location can be either entered manually from a map (using the menus as shown below) or automatically by connecting a GPS receiver, which outputs NMEA 0183 data (the industry standard for GPS-to-computer interfacing) into your other 'Com' port.
Unproto PathThe 'Unproto Path' is the generic address to where UI-View beacons and requests are sent, the default setting is '
The additional information on this line, following the comma (i.e. '
APRS AddressThe 'APRS Address' is the generic address to where APRS messages are sent - The recipient's callsign is part of the APRS data itself.