VK2AT Net Amateur Radio & Tech for Australian Enthusiasts

VK2AT Net

Amateur Radio & Tech for Australian Enthusiasts

Latest Articles

Solder, Safety, and Sense: Getting Started with DIY Ham Radio Repairs in Australia
Gear & Reviews

Solder, Safety, and Sense: Getting Started with DIY Ham Radio Repairs in Australia

Service centre bills can sting, and waiting weeks for a repair on gear you use every weekend is genuinely frustrating. Learning to service and modify your own ham radio equipment is one of the most rewarding skills you can build — but it comes with real responsibilities around safety, licensing, and knowing your limits. Here's an honest look at where to start, what to watch out for, and how to build your workshop up from scratch.
What Your Radio Is Actually Hearing: Receiver Specs Explained for Real-World Australian Conditions
Gear & Reviews

What Your Radio Is Actually Hearing: Receiver Specs Explained for Real-World Australian Conditions

Sensitivity, noise figure, dynamic range, selectivity — receiver specifications read like a foreign language until you understand what they're actually telling you about on-air performance. This explainer cuts through the marketing noise to show you what these numbers mean in practice, why the Australian RF environment makes some specs more important than others, and how to squeeze better receive performance out of gear you already own.
Mapping the Gaps: A Field Guide to VHF/UHF Coverage in the Australian Landscape
Emergency Communications

Mapping the Gaps: A Field Guide to VHF/UHF Coverage in the Australian Landscape

Dead zones, shadow valleys, and surprise propagation paths — Australia's wildly varied terrain makes VHF/UHF coverage prediction a genuinely fascinating challenge. This guide walks you through practical site surveying, free prediction tools, and real-world lessons from coastal, inland, and tropical operating environments. Whether you're planning a linked repeater or just want to understand why your signal vanishes three streets away, this one's for you.
Mains Noise Mayhem: Identifying and Fighting Power Line Interference on HF
Emergency Communications

Mains Noise Mayhem: Identifying and Fighting Power Line Interference on HF

Power line harmonics are one of the sneakiest killers of HF performance in Australian suburbs and rural areas alike. Learn how to pinpoint the source, measure it on a shoestring, and build a paper trail that actually gets results with ACMA.
When It Really Matters: Australian Amateur Radio Emergency Groups Worth Joining
Emergency Communications

When It Really Matters: Australian Amateur Radio Emergency Groups Worth Joining

Not all emergency radio groups are created equal. We take a practical look at the organisations across Australia that genuinely activate during disasters, what they actually need from volunteers, and how to make sure you're an asset rather than extra noise on a busy net.
Made in Australia: The Hams Turning Hobby Projects into Homegrown Radio Products
Gear & Reviews

Made in Australia: The Hams Turning Hobby Projects into Homegrown Radio Products

A growing number of Australian amateur radio enthusiasts have taken the leap from backyard experimenter to small-scale gear designer — and the results are genuinely impressive. We talk to the people behind locally designed filters, antenna components, and software tools, and explore what it actually takes to go from prototype to product in this country.
Noise Hunters: A Practical Guide to Tracking Down and Reporting RF Interference in Your Neighbourhood
Gear & Reviews

Noise Hunters: A Practical Guide to Tracking Down and Reporting RF Interference in Your Neighbourhood

RF interference is one of the most frustrating facts of life for Australian amateur radio operators, and it's getting worse as solar panels, cheap switching power supplies, and broadband equipment multiply across suburban and regional areas. Here's how to find the source, document it properly, and actually get something done about it.
From Foundation to Advanced: Navigating Australia's Amateur Radio Licence System Without the Headaches
Gear & Reviews

From Foundation to Advanced: Navigating Australia's Amateur Radio Licence System Without the Headaches

Thinking about getting your ham radio licence in Australia but not sure where to start? The three-tier system of Foundation, Standard, and Advanced licences each unlock different privileges — and the path from zero to full licence is more straightforward than most newcomers expect. Here's everything you need to know.
Signals from Space: How Aussie Hams Are Tapping Satellites to Stay Connected from the Outback
Emergency Communications

Signals from Space: How Aussie Hams Are Tapping Satellites to Stay Connected from the Outback

When terrestrial repeaters are hundreds of kilometres away and HF propagation is being uncooperative, some Australian hams are looking straight up. From OSCAR satellites to emerging Low Earth Orbit constellations, satellite-based amateur radio is becoming a serious option for remote and outback stations.
Chasing the Skip: How to Read Australia's Ionosphere and Win the HF Game
Gear & Reviews

Chasing the Skip: How to Read Australia's Ionosphere and Win the HF Game

Australia's position on the globe gives HF operators a genuinely different propagation experience compared to what northern hemisphere guides describe. Understanding our unique ionospheric patterns — and the free tools that reveal them in real time — can transform frustrating dead bands into productive DX sessions. Here's how to stop guessing and start predicting.
Nodes in the Bush: Building Community Mesh Radio Networks Across Regional Australia
Emergency Communications

Nodes in the Bush: Building Community Mesh Radio Networks Across Regional Australia

Australian amateur radio operators are quietly building something remarkable: resilient, community-owned mesh networks that can carry data and voice when commercial infrastructure fails. From LoRa nodes on water tanks in outback Queensland to AREDN deployments linking volunteer emergency services in regional Victoria, the mesh revolution is well underway. Here's what's happening, how it works, and how you can get involved.
Gear & Reviews

Dust, Dials, and Deals: Tracking Down Classic Ham Gear in Australia's Second-Hand Market

Australia's second-hand amateur radio scene is quietly thriving, with hamfests, online auctions, and dusty shed finds turning up some genuinely remarkable vintage iron. Whether you're after a battered Yaesu FT-101 or a pristine Kenwood TS-520, knowing where to look — and what to look for — makes all the difference. We dig into the local market, chat with a few seasoned collectors, and share some hard-won tips for buying used gear Down Under.
Emergency Communications

Pack Light, Work Far: The Australian Ham's Guide to Getting Off the Grid and On the Air

Something's shifting in the Australian amateur radio community — more and more operators are swapping the comfort of the shack for a backpack, a portable antenna, and a hilltop with a view. From SOTA activations in the Snowy Mountains to remote coastal ops on the Nullarbor fringe, portable radio is booming. We look at why, how, and what you actually need to get started.
Gear & Reviews

Up, Down, or Sideways: Choosing the Right Antenna Polarisation for Your Corner of Australia

Generic antenna advice from overseas forums rarely accounts for the quirks of Australian geography. Whether you're running a coastal setup in Queensland or working VHF from an inland NSW property, the vertical versus horizontal debate plays out very differently depending on where you live and who you're trying to talk to.
Emergency Communications

Bringing the Signal Back: The Volunteers Breathing Life into Regional Australia's Forgotten Repeaters

Across regional Australia, a quiet movement of amateur radio operators is tracking down old, silent repeaters and getting them back on air. It's part technical challenge, part community project — and in some areas, it's rebuilding a communications lifeline that locals didn't realise they'd lost.
Backyard Radio: Setting Up Your First Home Ham Station Without Emptying Your Wallet
Gear & Reviews

Backyard Radio: Setting Up Your First Home Ham Station Without Emptying Your Wallet

Getting your first proper home ham radio station off the ground in Australia doesn't have to cost a fortune — but it does take some creative thinking. From navigating suburban antenna restrictions to weatherproofing your gear against the harsh Aussie climate, this guide covers the real-world hurdles that new hams face when turning a spare room or backyard shed into a functional shack. We break down what actually matters, what you can DIY, and where it's worth spending a few extra dollars.
Emergency Communications

Frequency Under Pressure: What ACMA's Shifting Allocations Mean for Australian Hams Right Now

The regulatory ground beneath Australian amateur radio is shifting, and not all of it is moving in operators' favour. From spectrum pressure in the crowded UHF bands to new opportunities opening up on the horizon, ACMA's evolving approach to frequency management is forcing local clubs and individual operators to rethink how they plan, coordinate, and advocate. We dig into what's actually changing, which communities are feeling the squeeze hardest, and what the broader VK amateur population can d
Emergency Communications

Beyond the Noise Floor: Why Australian Hams Are Making the Move to Digital Voice

Across Australia, more and more amateur radio operators are quietly shelving their SSB rigs in favour of digital voice modes like DMR, D-STAR, and Yaesu System Fusion. It's not just a tech trend — there are real, practical reasons the shift is happening, and some equally real trade-offs worth understanding before you take the plunge.
Gear & Reviews

Plugging Into the Grid: A Practical Guide to Australia's VHF/UHF Repeater Network

Australia's repeater network is one of the most valuable — and most underappreciated — assets in the amateur radio community. Whether you're a newly licensed operator trying to make your first contact or a seasoned ham relocating to a new region, knowing how to find, use, and support your local repeaters can transform your on-air experience. Here's everything you need to know.
Gear & Reviews

Stretching Your Ham Radio Dollar: The Best Gear Under $500 AUD and Where to Actually Buy It in Australia

Getting into amateur radio — or expanding your shack — doesn't have to cost a fortune. We've put together a no-nonsense rundown of the best value gear available to Australian operators under $500 AUD, covering everything from handheld radios to antennas and accessories. We also break down the real cost difference between buying locally and importing, so you can make a genuinely informed call.