Technical Articles about various Ham related topics:

Return Loss Chart	How to conduct a Noise Audit
Running the Jupiter in Pegasus Mode	Shortwave Antennas - Army Document (50 MB)
Uses for Autech VA1RX	A Switch box for Soundcard Digital Modes
Tips for Designing PCBs	Transmit Audio Adjustment - K3NA
Vertical Antenna Dirty Little Secrets 01	Vertical Antenna Dirty Little Secrets 02
Vertical Antennas Technobabble