Ham radio blog by OZ1BXM

I wanted to measure distortion in my 2m SSB-transmitter and PA. A two-tone test generator (see chapter 4.5 in  this document ) can reveal di...

I am working on a project which requires a printed circuit board. First thing was to buy a software package for drawing the PCB layout. I ...

scQRPions: QRP Challenge Rules : Starting January 1st 2016, and each year thereafter, we will be embarking on a challenge to work (not confi...

I have been a radio amateur for several decades. During all this time, I have collected experience in different fields. I wanted to give som...

The task of moving my antenna support to the center of my garden is progressing nicely! The assembly is two steel tubes. The upper tube i...

July is here, and this means time for vacation! In Denmark, it's normal to have 3 weeks vacation during the summer. I spend much time wi...

I wrote about the WinKeyer in a blog post last year. My WinKeyer is mounted in an alu-cabinet, which I found in my radio junkbox. USB conn...