World War 2 Wireless Intercept is the story of the people and technologies that fought our first electronic war, and took signals intelligence to a whole new level. Read more
Tag: SWL
Understanding Extraordinary Wave Propagation
Once and for all, let’s understand extraordinary wave propagation on HF. Why does it happen and what does it mean to us? Read more
Our Magnetic Field Effects Skywaves
Recently, I wrote about how our magnetic field effects skywaves polarization, turning everything elliptical. Let’s dig deeper. Read more
HF Skywave Polarization – Not What You Think
All shortwave signals arriving at your receiver have elliptical polarization. HF skywave polarization is simply not what you think it is. Read more
Radio Propagation Basics in 2022
I spent some time writing about radio propagation basics in 2022. Unlike electronic circuits, sending signals through the ionosphere is really complex. Read more
SWBC Translation in 2022
My surprisingly successful project this year was automated SWBC translation. It is easy to set up and works fairly well. Read more
Two Channel Antenna Switch in 2022
My big build project during 2022 was a two channel antenna switch, to control my wideband loop array and switch between multiple diversity receivers. Read more
Diversity Reception in 2022
As we review Making It Up during the past year, let’s consider our use of modern diversity reception in 2022. Read more
Dual Channel Baseband Recording – Please
My Christmas wish list is dual channel baseband recording. A feature that would really bring DX to life for me. SDR developers, please! Read more
My Favorite Medium Wave DX Station
My winters bring long hours of darkness. It’s time to discover my favorite medium wave DX station setup at home. Read more