comtekradio

  A bloke once walked in with a perfectly good dual-band radio, a new length of coax and three adaptors screwed together like a little brass sculpture. None of it was doing quite what he expected. The antenna had an N-type socket, the radio wanted a PL-259, and somewhere along the way he'd added a BNC adaptor because it looked close enough in the online photo. It fitted. Sort of. The receive side sounded weak, his SWR reading wandered, and touching the adaptor stack changed the result. Naturally, the radio got blamed first. Most people don't think much about coaxial connectors until the signal drops out. They're small, inexpensive compared with the radio, and often bought at the end of a project when patience and budget are both running low. Yet that little joint between the radio antenna cable and the equipment has to preserve the shield, maintain solid centre-conductor contact and carry RF without introducing an ugly impedance change. It also has to survive movement, vib...

  Look, we’ve all been there. You’ve got a station built up just the way you like it: solid antenna, clean coax run, and the radio purring along. But then, for some reason, the signal’s not what it should be, or your SWR is spiking for no good reason. So, you start checking everything—cables, antenna, the radio settings—only to find the issue isn’t the big stuff at all. Nope, it's the smallest, most overlooked part: your VHF antenna connector . I can’t tell you how many times I’ve wasted hours tracking down strange, intermittent issues, only to discover that a simple connector was the problem. Doesn’t matter how good your radio or antenna is if your antenna cable connector is poor quality or damaged. Here’s where things get real, folks. The Problems You Don’t See Coming You know how it goes. You’ve got your antenna hooked up, the feedline is properly installed, and you’ve got a bunch of adapters for antenna setups to get everything connected just right. But in the back of your min...

Look, I'll be honest… when you’re building your perfect ham radio setup, the last thing you want to think about is connectors. But trust me, getting it wrong can derail your whole station — and we’ve all been there. I remember my first field day where I spent hours trying to figure out why I couldn’t make any contacts, only to realize I had the wrong BNC connector adapter . Yes, connectors matter . More than you probably think. So, let’s talk RF connectors. Not the sexy stuff, like big antennas or power amps. We're diving into the nuts and bolts — the often-overlooked little parts that make or break your whole setup. Whether it's your VHF antenna connector , a pesky SMA female connector , or even your old trusty BNC connector adapter , the right choice makes all the difference. Not All VHF Antenna Connectors Are Built the Same I remember when I first set up a VHF antenna at home. I grabbed a connector that looked fine — it was shiny, had that solid "click" wh...