

- May 2
- 6 min
High Voltage DC to DC Supply Evaluation


- May 2
- 6 min
T/R Switch and QCX Interface and Modification


- May 2
- 14 min
Single Tube SOTA Transmitter


- May 2
- 5 min
Vacuum Tube, Battery, Lightweight, Compact, Portable: Can They Coexist?


- Feb 28
- 5 min
All Wound Up About EFHW Transformer Winding


- Jun 17, 2022
- 5 min
Evaluating efficiency, transformer and mismatch losses in toroid transformers - some observations.


- May 16, 2022
- 6 min
Reactive Component Measurement With the NanoVNA


- Mar 2, 2022
- 11 min
Toroid Transformers - How Hot Will It Get?


- Jul 30, 2021
- 2 min
Leg Benchmark W7Y/EW-017 Activation - An Alternative Route From the West


- Jul 20, 2021
- 9 min
Electrostatic Discharge (ESD), Does it Matter for Makers and Hackers?


- Jun 16, 2021
- 13 min
Don't Fear the Smith Chart


- Apr 26, 2021
- 3 min
Schallenberger Ridge W6/NS-213 Activation - An Alternative Route


- Apr 25, 2021
- 9 min
How I Killed a Microcontroller


- Jan 25, 2021
- 2 min
The Digi-Disco, a 1970's Light Controller


- Jan 25, 2021
- 1 min
Heathkit IT-28 Capacitor Checker


- Dec 15, 2020
- 2 min
Mount Rose W7N/WC-001 Activation


- Dec 13, 2020
- 2 min
Tamarack Peak W7N/WC-003 Activation


- Dec 10, 2020
- 3 min
Mount Houghton W7N/WC-002 Activation

- Dec 3, 2020
- 2 min
Scott Peak W6/NS-153 Activation


- Nov 29, 2020
- 5 min
Granite Chief W6/NS-115 Activation

- Nov 23, 2020
- 1 min
Wishing You a Very Random Christmas


- Oct 4, 2020
- 8 min
Trapped 20/30/40 Meter EFHW Antenna


- Jun 29, 2020
- 7 min
Big Font Clock Update: Dimmer-Interface PCB and Setup Instructions.


- Jun 6, 2020
- 4 min
End Fed Half Wave Antennas: More About the Primary Capacitor


- May 27, 2020
- 3 min
End Fed Half Wave Antennas: Is a Primary Capacitor Really Needed?
- Apr 5, 2020
- 3 min
Auto Run for your Raspberry Pi - how to have your Rpi boot up in the desired configuration.


- Feb 9, 2020
- 9 min
Big Font Clock - Relieve for Old Eyes


- Jan 12, 2020
- 3 min
Castle Peak W6/SN-038 Activation


- Jan 12, 2020
- 4 min
Sand Ridge W6/NS-155 Activation


- Jan 11, 2020
- 2 min
Mount Lincoln W6/NS-149 Activation


- Jan 11, 2020
- 2 min
Signal Hill (7751) W6/NS-393 Activation


- Jan 9, 2020
- 3 min
Tinker Knob W6/NS-121 Activation


- Jan 6, 2020
- 6 min
How to do a SOTA Activation


- Dec 23, 2019
- 3 min
SOTA - What is it? Why I do it