QDX Rev 4 changes, and the discrete buck converter

DL9SCO and G0UPL portable again!

Jul 3, 2026

QMX/QMX+ Power Supply system improvement

May 4, 2026

QMX CESSB Demonstration

Oct 9, 2024

QMX+ Update: SSB work and the RSGB Tonight-at-8 webinar

Jul 17, 2024

QMX+ and a pimped up Palm Radio mini-paddle special edition!

Jun 21, 2024

QMX firmware 1_00_017 AGC and S-meter demo

Feb 16, 2024

If I Started Over, Here is What I'd Do (short) #hamradio

Ham Radio Newbie

What I WISH I Would Have Done Differently when I Started #hamradio

Ham Radio Newbie

France Is Burning. Is America Next?

Survival Dispatch

2010: Chile Mine Rescue Comms

Ham Radio Gizmos

Debunking Grayl Water Filter Arguments!

Survival Dispatch

Ham Radio Alert Amateur Radio Antennas Solomon Islands on the Air

Ham Radio Expert