TinyTrak is a small, inexpensive radio controller designed to receive data from a NMEA-0183 compatible GPS receiver and broadcast position reports through a radio transmitter. It removes the need for a full TNC (terminal node controller) in an APRS tracker. Byon Garrabrant, created the TinyTrak hardware. More information on the TinyTrak can be found at the Byonics web site at www.byonics.com. TinyTrak stores its' operating parameters in EEPROM. The parameters must be set with configuration software on an external computer. TinyTrak for the Mac is the Macintosh version of the configuration software. Requires Mac system 7.0 or newer and 640 x 400 screen.

Download TinyTrakII v1.1 for Mac (360k .sit) Supports the TinyTrakII.

Download TinyTrak3 v1.1 for Mac (1M .sit) Supports TinyTrak3 ver 1.0 and 1.1.

If you're interfacing a TinyTrak to a DeLorme Tripmate GPS unit,
get our interconnect plans. (148k .pdf)