Society Presentations and Radio Knowledge!!
Welcome to the HADARS SPARK Archive
Your Hub for Society Presentations and Radio Knowledge
Explore the complete collection of HADARS SPARK—a growing library of engaging lectures, hands-on demonstrations, and expertly crafted resources. This is where the past, present, and future of amateur radio come together to inspire enthusiasts of all levels.
Each entry in the series is designed to ignite curiosity and expand your knowledge, featuring:
- Videos of lectures and demonstrations
- Downloadable presentations and guides
- Links to products, tools, and additional resources
Whether you’re revisiting a favourite topic or discovering something new, HADARS SPARK is here to fuel your journey in amateur radio.
Check out our latest entries below and dive into a world of radio expertise and innovation.

Kanga Rock Rose CW Transceiver Kit
The Kanga Rock Rose is a modern take on classic QRP transceivers, combining a transceiver, audio notch filter, and iambic keyer into one kit. Ideal

The Z Match and the Art of Manual Antenna Tuning
Richard (G3UGF) explores the Z Match tuner, a hands-on, low-loss solution for matching antennas in amateur radio. He explains its clever design, advantages over coax,

HADARS Buildathon 2025: The Little Roo Project
At HADARS, we love a good hands-on challenge, and this year’s HADARS Buildathon 2025 is now underway!
Our club “Buildathon” project will have members assembling

The NanoVNA Revisited
The NanoVNA is a compact, cost-effective Vector Network Analyser (VNA) that has become an essential tool for amateur radio enthusiasts. In The NanoVNA Revisited, Hardy

Soldering School!
Our latest HADARS Club Night featured Soldering School, a hands-on session led by Max, G4SDX. Using the presentation as a guide, members explored the fundamentals

Join us for a Beginners Guide to “Just Getting Stuff Done”
A talk and demonstration that ties in with the new HADARS ‘Construction Guides’, and introduces the basic skills needed to build a small kit, or