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Byonics TinyTrak3+
TinyTrak3Plus is a APRSTM GPS position encoder which, when connected to a serial GPS and a radio, will transmit its location at an adjustable rate. TinyTrak3Plus is the forth generation in TinyTrak series, and is available as a kit construction project, or as a built and tested unit, providing an inexpensive way to build a mobile tracker without the need for a full TNC. It is configured by connecting to a computer's serial port, and running a simple configuration tool which allows setting of all user options. After that, the computer can be disconnected, and a GPS connected in its place for operation.
TinyTrak3Plus has the following features:
  • Decodes any NMEA-0183 compatible serial GPS sending $GPRMC or $GPGGA sentences. USB only GPSs will not work.
  • Can provide 5V power to an external GPS (such as the Byonics GPS1 or GPS2).
  • Transmits position, altitude, speed, heading, and timestamp (hour/minute/seconds or day/hour/minute).
  • Supports SmartBeaconing, which adjusts transmission rates to speed and turning.
  • Can transmit position in MIC-E, NMEA, or APRS ASCII text format.
  • Two configurations, with all user options switchable.
  • Burst after voice / Send Position Now input.
  • Handles position resolution down to 7 inches.
Also consider: TinyTrak SMT, the surface mount version of TinyTrak3, and TinyTrak4, with the ability to encode and decode packets.
TinyTrak3Plus User's Manual and Windows Configuration Software is available.
Download TINYTRAK3PLUS.ZIP Right click the link and choose "Save As..."
Ordering: TinyTrak3Plus Kit and Case - Includes a TinyTrak3 chip, PCB, pre-cut case, and all components excluding cables. TinyTrak3Plus Built and Tested with Case - For those not interested in soldering together the kit.
Without a GPS Add To Cart $38 TinyTrak3Plus Kit
 Add To Cart $47 TinyTrak3Plus Built
Combo With Case and Byonics GPS1 - Includes a Byonics GPS1 with the Sony Chipset. Add To Cart $90 TinyTrak3Plus Kit and GPS1 Combo
 Add To Cart $99 TinyTrak3Plus Built and GPS1 Combo
Combo With Case and Byonics GPS2 - Includes a Byonics GPS2 with the SiRFstar III chipset. This is GPS more sensitive than the GPS1 above. Add To Cart $103 TinyTrak3Plus Kit and GPS2 Combo
 Add To Cart $112 TinyTrak3Plus Built and GPS2 Combo

GPS WARNING: Both the Byonics GPS1 and GPS2 above are 5 volt GPS receivers. Do not connect them directly to 12 volts or they will be destroyed. If buying with a TinyTrak3Plus kit, configure J7 for 5 volts (the bottom two square pads soldered together). If buying with a TinyTrak3Plus built and tested, this will already be done for you. Do not use these GPS receivers directly with the older TinyTrak3 (non-Plus version).
Radio and Power Cables available for many common radios. Click HERE!

A Gender Changer and a Null Modem Adapter is needed to connect a TinyTrak3Plus to the computer for configuration.
Add To Cart TinyTrak3 Chip - $18. This is a replacement TinyTrak3/TinyTrak3Plus chip. Also, with this chip, a TinyTrakII can be upgraded to all the functionality of a TinyTrak3.
Downloads:

Right click the desired links below and choose "Save As..."
TinyTrak3Plus.zip - Software and Documentaion for the TinyTrak3Plus.
TinyTrak3.zip - Software and Documentaion for the older TinyTrak3.
TinyTrakII.zip - Software and Documentaion for the older TinyTrakII.
TinyTrak.zip - Software and Documentaion for the original TinyTrak.

Please do not distribute any TinyTrak software, firmware, or documentation without written permission from the author.
TinyTrak3 is also available in Surface Mount Form
The TinyTrak links page has references for support, international distributors, and ways others have used TinyTrak3.
The TinyTrak3 wiring page shows example of how to wire connectors to various radios.