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MARYVILLE, MO KE0SBX QTH

Wednesday, February 04, 2026

Part 2 ASL Success

Back again with another update, this time, with good news! Still fighting a few things but it IS useable!

Wednesday, January 28, 2026

Saturday, November 22, 2025

Attempting to Repair a Uniden PRO500D CB: Part II

Picking up last time where we left off, I bought a mid-1980s Uniden radio off of eBay for around $10. After a quick smoke test, I found that there was no transmit audio or receive audio. I swapped out what appeared to be a shorted 7808 8V regulator and a TDA1905 audio amp chip. The receive audio came back to life, but I was still in the dark with no transmit audio. Still, a step in the right direction.

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?