Making the KD1JV Tri-Bander More SOTA Friendly
This post outlines the modifications made to reduce receive current consumption, reduce weight and size, and change the controls and readout
Making the KD1JV Tri-Bander More SOTA Friendly
High Voltage DC to DC Supply Evaluation
T/R Switch and QCX Interface and Modification
Single Tube SOTA Transmitter
Vacuum Tube, Battery, Lightweight, Compact, Portable: Can They Coexist?
All Wound Up About EFHW Transformer Winding
Evaluating efficiency, transformer and mismatch losses in toroid transformers - some observations.
Reactive Component Measurement With the NanoVNA
Toroid Transformers - How Hot Will It Get?
Electrostatic Discharge (ESD), Does it Matter for Makers and Hackers?
Don't Fear the Smith Chart
Trapped 20/30/40 Meter EFHW Antenna
Big Font Clock Update: Dimmer-Interface PCB and Setup Instructions.
End Fed Half Wave Antennas: More About the Primary Capacitor
End Fed Half Wave Antennas: Is a Primary Capacitor Really Needed?
Big Font Clock - Relieve for Old Eyes