Solar cycle 25 should be a repeat of our last eleven year cycle. For the next five years, though, high frequency radio propagation will definitely improve. Read more
Category: Radio
Wideband Loop Helper Build
Overall, my wideband loop helper build was fast and simple. Everything was made easier with isolation milling a small PCB on my CNC. Read more
Wideband Loop Helper Design
Some online calculators and open source software made wideband loop helper design easy. Using a simulator also helps you make adjustments to use readily available components. Read more
Wideband Loop Helper Project
My wideband loop helper project should let you eliminate overload from strong nearby broadcasters while enjoying HF reception with most wideband software defined radio receivers. Read more
Reduce ADC Overload from Active Loop on HF
Some front end filtering helps you use wideband loops with wideband SDR receivers on HF while holding overload from nearby broadcasters at bay. Read more
SDR Medium Wave Performance
Let’s check out SDR medium wave performance with a variety of front end designs which all work differently and well, most of the time. Read more
SDR Receiver Front End Designs
If you take a close look, you may find that each of your SDR receiver front end designs is quite different. You need to learn the differences to get best performance from your radios. Read more
Front End Attenuation with RSPduo Medium Wave
A five dollar module from eBay lets you experiment with front end attenuation to avoid SDR overload from local broadcasters and enjoy medium wave DX. Read more
Medium Wave Filtering with RSPduo
Your wideband SDR receiver can be crippled by strong local broadcast signals. Medium wave filtering can provide the solution. Either a bandstop or high pass filter does the trick. Read more
Make SWL Great Again with RSPduo
You can make SWL great again. Just add a couple of antennas to the RSPduo and press the Play button. Read more