I had a cheap audio amplifier from AliExpress, a few speakers pulled out of an […]
70 cm Moxon Antenna
Quick post to show this off. I needed a 70 cm antenna for packet radio […]
Homebrew Power Meter – Planning
Because I spend too much time polishing, these are my raw notes for now. If […]
RFI Mapper (RFIM) and IC-7300
Thanks to Eric N2EPE, I recently learned about W4DD’s neat program for radio frequency interference […]
Pixie with Digital VFO
Also called a “DDS VFO.” This may be a bit of a brain dump. Although […]
“Chinese Pixie” build and LPF LTspice model
I bought a few 40m “Chinese Pixie” (known as such because you can buy them […]
US Ham Radio License Counts Over Time
A recent blog post linked to from Mastodon expressed surprise at a downturn in total […]
The Story of Vulpes, a Radio Orienteering Controller
No better way to be “done” with something than to post it online, right? Astute […]
Kenwood TM-201A Dire Wolf PTT
I recently mentioned on Mastodon that I’d put this together. Looking at my notes, I […]
First SOTA, plus 2x POTA
Ever since I read through the backlog of KE6MT posts last winter or the winter […]