I did a lot of testing on some new antennas designs that Coffee and Ham Radios "CaHR" may offer in the new store soon.
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This is the first in a series of special episodes on building and modifying your own ham radio gear – antennas, radios, equipment peripherals, and more.
In this episode:
* Adam (K6ARK) walks through the steps of designing a project
* Charlie (NJ7V) covers different scratch-building methods
* Tobias (KK7BCO) dives into antenna experimentation
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I often say "just run a vertical up a tree and throw some radials down" – but I realised I’d never actually shown it properly.
So in this video, I build a 20m tree-supported vertical entirely from scrap: old wire, abandoned radials, questionable coax, and whatever I could find in the workshop.
No spreadsheets. No perfection. Just get something in the air and test it.
Once it was up, I compared it directly against my main field vertical using a proper A/B WSPR test – same band, same power, same stations, swapping antennas every two minutes.
The result? Doing it "properly" still buys you margin and calmness on receive – but a tree canopy and a simple ground system do not suddenly make HF impossible.
Which is good news. Because it means if all you’ve got is a bit of wire and a tree, you’re not excluded from the game.
https://youtu.be/c845_k48EjI – The full ABABAB method.
Enjoy your radio — and try something for yourself! Callum.
Chirp radio giving you the ‘No response from radio’ error? Don’t panic! This simple fix will get your downloads back on track. Get your radio connected!
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Categories
Winter Field Day Live
Come hang out with me for some winter field day Q’s
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We have George (KJ6VU) and Alan (N7AKG) on the stream to talk about their new product iShareRadio.
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Intro music provided by one of these;
Silent Partner – Fortunate Note
Noir Et Blanc Vie – Brighton Lights
John Deley & the 41 Players – Heat Wave
Doug Maxwell – Psychedelicacy
Big Blues by Audionautix is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/
🚨 6 Must-Have Meshtastic Devices for 2026: Unlock Epic Off-Grid LoRa Mesh Magic! 🚨
Gear up for 2026’s hottest Meshtastic upgrades – six innovative LoRa powerhouses ready to supercharge your decentralized network! From ultra-compact solar-charging nodes with e-ink displays and environmental sensors to rugged handheld touchscreen beasts packing GPS and 10+ mile rural ranges, these SX126x gems deliver jam-proof comms, low-power efficiency, and seamless firmware integration for ham radio backups, emergency ops, or trail adventures.
Whether you’re building a resilient grid or hunting POTA activations, these drops redefine off-grid connectivity. Which feature blows your mind?
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Thanks for watching!
POTA with @HamRadioK8FAE Caitlin, what a beautiful day! scooped @hamradiotube
Quickly change your ham radio channel display from number to name! Learn how to program the 2-meter call frequency and customize your settings.
👉 Full Video: https://youtu.be/t15osYokz5Q
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👉 Dremel Rotary Tool: https://geni.us/YACqC3k
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