Email vk2hcm@hotmail.com if you think I should list some other APRS equipment.
TinyTrak
TinyTrak, TinyTrakII, TinyTrakIII, WXTrak and PICPAC
TinyTrak firmware for a PIC16F84 can be downloaded for free.
Here is the PDF file for original TinyTrak
www.byonics.com
http://groups.yahoo.com/group/TinyTrak/
HamHud
Tigertronics