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Ham Radio All Portable Discussion Zone

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,…

Podcast · By Charlie NJ7V · English · Official site

Indexed episodes, last 90 days
6
Latest publication
Sep 27, 2026
Audience
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Earliest in this view
Jul 5, 2026

Latest episodes

  1. Episode · Sep 27, 2026

    Take the Homebrew Design. Make It Yours - Mike G3TSO (opens the original)

    Episode notes · Neutral tone

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    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 receivers built from a library book called Fun With Radio, to miniature transceivers the size of a pencil box — and it's an approach he's been refining for over 60 years.In this episode Mike walks through his homebrew journey from a spark transmitter built at age

  2. Episode · Aug 30, 2026

    Homebrew ATUs & Matching Units for QRP — Peter HB9EBE (opens the original)

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    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 and polyvaricon, small enough to fit in a dental floss case and simple enough to build in 30 minutes. Combined with a QMX in a custom carbon fiber enclosure and a random wire on a 3D-printed spool, the whole station comes in under 400 grams.In this episode we di

  3. Episode · Aug 16, 2026

    50 Years Licensed and Still Building — Gary W0MNA & Martha W0ERI (opens the original)

    Episode notes · Positive tone

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    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 mentor the Friday evening build session and beta test new kit designs for the Four State QRP Group.In this episode we talk about how they each got into ham radio, their decades of kit building and homebrew projects, their SOTA activations as a team, and the very a

  4. Episode · Aug 9, 2026

    Homebrew Transceivers Designed for the Trail — Paul VK3HN (opens the original)

    Episode notes · Positive tone

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    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 superhet transceivers were designed specifically for backpacking and activating, with every design decision driven by the constraints of the trail.In this episode Paul walks through his journey from a scratch built 2 meter FM receiver as a teenager to a

  5. Episode · Jul 26, 2026

    Homebrew ATU Roundtable: L-Match, T-Match & Antenna Projects (opens the original)

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    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 classic Heathkit HFT-9 circuit. Tobias built two scratch versions plus a kit. I just got my parts together.On the antenna side, Tobias is working on a trapped vertical for 15, 17, and 20 meters, I added 60 meter legs to my linked dipole, and Adam built an afterma

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