With a network of 400 software defined receivers in your browser, you can easily do TDoA Direction Finding on signals across low, medium and high frequencies. Here’s how. Read more
RAF Service Remembrance – Bill Fallows in WW2
A few moments of RAF service remembrance is in order for my dad, Bill Fallows. He served in Africa and the Middle East during World War II. Read more
How Do Animals Think?
Wouldn’t it be amazing to really understand how animals think. I am sure they do, but in ways quite different from us humans. Read more
630 meters Ham Radio – Old is New, Again
One of the interesting things you can do with a wideband loop antenna is listen to 630 meters ham radio activity. So, what the heck is 630 meters? Read more
WSPR Propagation Reports Worldwide
WSPR propagation reports are really useful in checking ionospheric activity. Get started by using WSPR on OpenWebRX internet connected monitoring stations. Read more
Tree Aerial – Another Liquid Antenna
The tree aerial has been around for a century. Does it work? Perhaps, but mainly so in the jungle. Read more
Free Micro-Cap Simulator for Electronics
Spectrum Software closed its doors this summer, but has provided the free Micro-Cap Simulator. If you like designing electronic circuits, you may want to check out this industrial strength product. Read more
Video Buffering Challenges – Our New World
The more we choose, or are forced to use “over the top” services to get desired content, the more we have to live with video buffering challenges. Read more
FT8 Takes Over Ham Radio Communications
FT8 takes over as the dominant mode for ham radio communications. Just check the data, which also shows declines in voice and CW. Read more
Weak Signal Communications Software Everywhere on HF
Sometimes, all you can see on the ham bands are weak signal communications software exchanges chugging away. Are these robots or real people? Read more