In this video, I take apart a popular open-source Z-Match antenna tuner and explain exactly how it works — and why it’s different from Pi-network and T-network tuners.
We crack it open, look at the transformer-coupled coils, the dual variable capacitors, the impedance switch, and even the mysterious resistor load inside. Then we put it on the air and tune a 9 foot 4" antenna on 80m and 17m using both noise-tuning and carrier-based tuning methods.
You’ll also see how the “tune mode” works, why those 68-ohm resistors aren’t a 50-ohm dummy load, and how to use the Z-Match safely at QRP power levels.
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Perfect for portable QRP, SOTA, POTA, RV operation, or anyone wanting to understand how transformer-coupled manual tuners actually work.
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Where possible, all links are affiliate links, this youtube thing is an expensive endeavor and every little bit helps.
Today its time to SEW! I’ve always said this is a hobby of a thousand hobbies… who knew sewing was one of them? Get your bobbins hoppin boys! Let’s Go!
Part 1: The Dummy Load and Intro: https://youtu.be/iu8PF4FZtY4
Part 2: Diodes, Inductors and Finals: https://youtu.be/-DTC14_jKnM
Part 3: Power Amplifier! https://youtu.be/YgO8To9HB64
Part 4: The Band Pass Filter: https://youtu.be/dfdBIHrLjdY
Part 5: Trifilar and SWR Bridge: https://youtu.be/804sR_vF9Eg
Part 6: Finish It!: https://youtu.be/minTSE2nqzc
Get your’s and follow-along with the build! We can get stuck together!
👉 QMX+ Radio Kit: https://shop.qrp-labs.com/qmxp&tracking=7LYXwbHBNxhEQ7Iv9
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Winter Sale 7% Sitewide Coupon: TemGK7
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🖍️ How I make my Thumbnails: https://partner.canva.com/c/3622632/647168/10068
⚡ Meter I use in my videos: https://kaiweets.com/?sca_ref=2859744.05ZtMxNK23
👉 Fun Stuff 👈
🫵 We want YOU on TOADs Discord: https://discord.gg/97tkMEc
🕊️ Twitter: https://twitter.com/KiloMike9Golf
😸 Github: https://github.com/TemporarilyOffline
Where possible, all links are affiliate links, this youtube thing is an expensive endeavor and every little bit helps.
TOADs DI stores:
👉 FOR UK/EU: https://shop.m0jsx.radio/
👉 FOR US/CAN: https://temporarilyoffline.com/M0JSX
👉 FOR VK/ZL: https://ham-radio-dx.net/shop
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⚡ Meter I use in my videos: https://kaiweets.com/?sca_ref=2859744.05ZtMxNK23
👉 Fun Stuff 👈
🫵 We want YOU on TOADs Discord: https://discord.gg/97tkMEc
🕊️ Twitter: https://twitter.com/KiloMike9Golf
😸 Github: https://github.com/TemporarilyOffline
Where possible, all links are affiliate links, this youtube thing is an expensive endeavor and every little bit helps.
👉 Check the premium Geekom Mini Computers: https://geni.us/y8uCVl
Winter Sale 7% Sitewide Coupon: TemGK7
👉 Lever-Pole Recipe:
1. 12ga solid wire: https://geni.us/kOAGLr
(NOTE: Trim it exact!)
2. Anderson Power Poles w/Crinper: https://geni.us/bqfprDt
3. Lever Nuts: https://geni.us/nE412y3
4. Wire Strippers: https://geni.us/LejLm
(NOTE: They cut wire too…)
5. Glue Lined Heat Shrink Tubing: https://geni.us/7kUwOL
It has:
• A VFO you can spin
• A CB-channel/band style layout
• Separate RX and TX tones
• AM and FM only
• No repeater split (by design)
And yes… it can be modded into a CB.
So what is this radio actually for?
In this video, I walk through:
• A quick unboxing and physical overview
• Power and basic performance checks
• What the radio won’t do (and why that matters)
• Who this radio makes sense for — and who should absolutely skip it
10 meters was quiet during filming, but that actually helped reveal the real intent behind this radio. This isn’t a repeater rig. It’s not a DX tool. And it’s definitely not trying to be a traditional ham radio.
Think simplex, local comms, truck-to-truck, off-road, or CB-adjacent users who want more control.
If you judge it as a bad ham radio, you’re probably right.
If you judge it on what it was actually built to do… it starts to make a lot more sense.
Click the 👍 Like Button, 🤡 Leave a Comment, ❤️ Subscribe
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🖍️ How I make my Thumbnails: https://partner.canva.com/c/3622632/647168/10068
⚡ Meter I use in my videos: https://kaiweets.com/?sca_ref=2859744.05ZtMxNK23
👉 Fun Stuff 👈
🫵 We want YOU on TOADs Discord: https://discord.gg/97tkMEc
🕊️ Twitter: https://twitter.com/KiloMike9Golf
😸 Github: https://github.com/TemporarilyOffline
Where possible, all links are affiliate links, this youtube thing is an expensive endeavor and every little bit helps.
