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Ham Radio All Portable Discussion Zone

by Charlie NJ7V

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Latest episodes

  • Build Your Own Radio Without Spending Big — Charlie ZL2CTM

    October 18, 2026 · 1 hr 19 min

    Charlie Morris ZL2CTM is a New Zealand homebrewer and retired Air Force avionics technician who builds radios and electronics projects one module at a time on stripboard over a copper ground plane, housed in plastic food containers from…

  • LC Meter from Scratch: Modernized with an Arduino

    October 11, 2026 · 1 hr 3 min

    In this Homebrew Workbench Roundtable, Tobias KK7BCO and I are joined by first-time guest Rishav, from Nepal, who recently completed his master's degree with research focused on relative navigation between two spacecraft and is soon to…

  • Inside the G QRP Club — Graham G3MFJ on George Dobbs & the Sudden Kits

    October 4, 2026 · 1 hr 3 min

    Graham G3MFJ has been building electronics since neighbors started dropping off broken valve radios for him to fix as a child. Licensed since 1957, he eventually found his way to the G QRP Club through a friend (Tony G4WIF) who paid his…

  • Take the Homebrew Design. Make It Yours - Mike G3TSO

    September 27, 2026 · 1 hr 39 min

    Mike G3TSO has been licensed since 1964 and building since well before that. His philosophy is simple: find a design that does most of what you want, take it, modify it, and make it your own. It's how he went from crystal sets and valve…

  • Homebrew ATUs & Matching Units for QRP — Peter HB9EBE

    August 30, 2026 · 58 min

    Peter HB9EBE has been building his own antenna matching units since getting back into ham radio about 10 years ago, and his approach is about as minimal as it gets. His go-to field tuner is a homebrew L-match built around a single toroid…

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  • 50 Years Licensed and Still Building — Gary W0MNA & Martha W0ERI

    August 16, 2026 · 1 hr 4 min

    Gary W0MNA and Martha W0ERI have been licensed for over 50 years each and are still building, activating, and teaching others to do the same. Based in Leavenworth, Kansas, they are regulars at Four Days in May and Ozark Con, where they…

  • Homebrew Transceivers Designed for the Trail — Paul VK3HN

    August 9, 2026 · 59 min

    Paul VK3HN has been building homebrew radio gear since the late 1970s and activating SOTA summits in the Australian bush since around 2015 — and he'll tell you the two pursuits feed off each other perfectly. His Summit Prowler series of…

  • Homebrew ATU Roundtable: L-Match, T-Match & Antenna Projects

    July 26, 2026 · 1 hr 8 min

    In this Homebrew Workbench Roundtable, Adam K6ARK, Tobias KK7BCO, and I dig into QRP antenna tuners and workbench projects. We cover L-match and T-match concepts, Adam's K6ARK QRP Antenna Matching Unit, and the G0FUW HB-ATU based on the…

  • Our Field Day Debrief — What Worked, What Didn't

    July 5, 2026 · 57 min

    In this roundtable episode, Dan KC7MSU, Brian W7JET, and I debrief on Field Day, touch on the 13 Colonies special event, and I share highlights from a three day SOTA excursion with my wife W7NRS just before Field Day.Superstition Amateur…

  • He Climbed the Highest Peak on Every Continent — Saurabh N6RUN

    June 28, 2026 · 59 min

    Saurabh Bhasin N6RUN has climbed the highest peak on every continent, finished five Ironmans, runs mountain ultras, and is active in SOTA.In this episode we talk about how mountaineering and ham radio collided for Saurabh, his Everest…

  • Homebrew Roundtable: Freq Counters, PA Power & AI Agents

    June 21, 2026 · 1 hr 12 min

    In this Homebrew Workbench Roundtable, Tobias KK7BCO and I are joined by Mitch NK3H, filling in for Adam K6ARK, to talk through what is on our benches right now.We cover frequency counter builds and wiring lessons learned, a direct…

  • Homebrew Radio from 1950s Crystals to Satellite - Stuart M0SGV

    June 14, 2026 · 1 hr 11 min

    Stuart M0SGV started soldering at age 8 in the 1950s, building crystal sets with a copper tip heated over a gas cooker. Nearly 70 years later he is still at the bench, building tube transmitters from 1949 magazine circuits, Hans Summers…

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About the show

Welcome to the All Portable Discussion Zone. Our show is the audio version of the popular YouTube podcast found on the Red Summit RF channel, where we welcome special guests and engage in roundtable discussions on a wide range of topics including designing, building, modifying, and improving ham radio equipment. Don't forget to check out our Patreon page: https://www.patreon.com/redsummitrf