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Ham Radio Workbench Podcast

Ham Radio Workbench

Hobbies Leisure

Latest episode

222 episodes

HRWB 260 - Portable HF Antennas
07/04/2026 | 2h 51 mins.
In this episode we talk about portable HF antennas for POTA / SOTA / travel and general operating in the great outdoors ! The HRWB team is very active in portable operating. We all have our favorite antennas and provide advice for the ham radio operator new to portable operating.
HRWB 259 - Making CW Keys with Aaron from Modern Morse
24/03/2026 | 2h 40 mins.
In this episode we meet Aaron, AE0LZ, owner of Modern Morse, a manufacturer of portable morse code keys. Aaron is professional mechanical design, precision CNC programming and machining, and a very creative guy. Modern Morse keys are popular for POTA, SOTA, travel and anytime you want a portable high quality CW key. Aaron shares his journey through the design and manufacturing process for making his keys.
HRWB 258 - Morse Code Bug Emulator with Don WB9CYY and Bob WO6W
10/03/2026 | 2h 59 mins.
In this episode we meet Don WB9CYY and Bob WO6W. Both avid CW operators with a love of the old style mechanical "bug" radio telegraph keys. Feeling that the existing CW paddles and keyers sent code that was too highly accurate and lacked any sort of personality, they came up with a very novel way make a modern paddle sound like a bug.
As an introduction we talk about the differnet paddle and key types and then take a deep dive into the development of the bug emulator.
HRWB 257 - Origins of Silicon Valley with Paul Wesling KM6LH
24/02/2026 | 2h 31 mins.
In this episode we meet Paul Wesling, KM6LH, a Silicon Valley veteran and a chronicler of it's history and the ham radio operators who shaped it. Paul tells us about some of the key figures from William Eitel and Jack McCullough (EiMac) to Charles Litton (Litton Industries), Steve Wozniak (Apple). The valley has been a fertile ground for invention and engineering for over 100 years. Paul walks us through some of the most significant people and inventions that impact our world today.
HRWB 256 - Tube Gear with Grayson Evans KJ7UM
10/02/2026 | 2h 36 mins.
In this episode, Grayson Evans, KJ7UM, joins us again to talk about designing and building ham radio gear with tubes, or as he refers to them: thermatrons. Grayson is the author of Hollow-State Design, a book all about tube-type radio equipment. Grayson also provides basic tube radio kits.
Grayson is a great mentor and shares his love for all things thermatron !

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About Ham Radio Workbench Podcast

This is your bi-weekly deep dive on making, DIY, electronics, and technical topics of interest to the radio amateur. Join your host George KJ6VU and the HRWB team as they discuss current developments in ham radio while introducing listeners to a plethora of topics and skills such as test equipment, 3D Printing, Arduino, Raspberry Pi, and more. Ham radio is a hobby of hobbies - George and team introduce hams of all ages to experimenting and learning within ham radio, which can be one of the most rewarding aspects of the hobby. We are proudly sponsored by Autodesk Eagle PCB design tools, Flex Radio and Digikey.

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