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
Author: John VE6EY
Understand Global Economics for What It Is
If you understand global economics, you will realize the profound restructuring required by moving to fuels with lower power density. 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
NanoVNA Vector Network Analyzer – Neat Tool
So, what the heck is my NanoVNA vector network analyzer? Turns out it’s a pretty useful piece of test equipment, cheap too. Read more
Wideband Rejection Filtering for MW Overload
A wideband rejection filter may be used to prevent medium wave overload while still keeping the wideband nature of your receiving system intact. Learn more. Read more
Medium Wave Overload – Good and Bad News
Strong local broadcasters can create medium wave overload which causes problems for shortwave reception on higher frequencies. Read more
SDR Antenna Patch Bay
Here’s a neat little project for those of you who like using a 3D printer to compliment your radio hobby. It’s an SDR antenna patch bay. Read more
