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MARYVILLE, MO KE0SBX QTH

Friday, October 31, 2025

Hammo Can 2.0

The project that was supposed to be but evolved into something else.

If you recall a few years ago, I built a portable battery box using a $5 plastic ammo can. It works phenomenal with my CB and ham radios. If I need a 12V source to test circuits with, I can also use it as a portable power supply. But what about my original idea?

Monday, October 27, 2025

Cobra 21 LTD Classic Mic Conversion

From one of my eBay escapades, I picked up an older Cobra 21 LTD Classic. It was a really clean radio and I really like it actually! A step up from the Cobra 19 but with Cobra's Dynamike control. I received it without a microphone, however it didn't matter what microphone I tried. I would always get around 20 to 30% peak modulation. What's going on?

Friday, September 26, 2025

LOOK!!! IT'S A BABYCOBRA!!!

Guess what Owen bought himself for Ava? A baby Cobra 19 Mini!

Collapsible 17ft 20-40-80 meter antenna

 Another antenna plan, this time on a bit of a budget.

After doing so much reading on the Rybakov antenna, I thought it was time to give a go for the lower bands. There are many options for 80 and 40 meter antennas, but a loaded vertical seems to be what I'll be going for. Two custom made coils and a collapsible 18.5' antenna is all you'll need for this project. The result? An antenna that would most definitely be suitable for DX. If Chameleon antennas can make it, then so can you.

Monday, August 25, 2025

Quick Fix: Broken Membrane Keypads

 I'm sure many of you have some radios laying around that need the membrane keypad fixed on them. Lucky for you, I might have just the solution, and it's with things you probably have around the house.