aprs diag

Crank up mast pipe - A Crank up mast pipe by Bob Bruninga, WB4APR

Xastir  ^new - Xastir MacOSX APRS software for receiving and plotting APRS(tm) position packets. Xastir supports many map formats and is highly customizable

PC Headset Adapter for Ham Radio - A PC headset to Rig adapter. Include a circuit diagram and a full part list for the project

Basic Multimeter project - A basic multimeter project with full schematic diagram by G3PTO

RF Probe project - A simple RF probe diagram