At first glance, my new Nvidia Shield Android TV is a great replacement for my troublesome WD TV Live Streaming box. Merry Christmas to us all. Read more
Behind Bitcoin Blockchain Basics Tutorial
Behind Bitcoin Blockchain Basics is something everyone needs to understand. Everyone is talking about Bitcoin. But really, Blockchain is the real innovation. Read more
GNURadio SCA Receiver – Signals within Signals
Take a look at my GNURadio SCA Receiver. It’s a neat way to use your RTL-SDR to explore hidden signals in your community. Read more
Net Neutrality Public Good
Net neutrality public good is very important. Without it, service providers can punish competitive services with higher prices and consumers can lose a lot of choice. Read more
Speakers Corner – Original Social Media
Speakers Corner was perhaps the original social media platform. What can we learn from three centuries of public discourse at Hyde Park? Read more
DesktopSDR Captivates with Matlab and RTL-SDR
Once in a while, I come across a learning project that is truly engaging. So, I need to tell you about how DesktopSDR captivates my attention, and might do so for you, too. Read more
HandsOn Radio, Ward Silver N0AX
Sadly, the HandsOn Radio column in QST is ending its fifteen year run. I will miss Ward Silver’s short learning articles very much. Read more
Decimation Improves SNR – Learning DSP
You can use GNURadio to demonstrate how decimation improves SNR. You get a 3 dB increase in signal to noise ratio every time you double the decimation rate. Read more
Goertzel Filter Tone Detector – Learning DSP
You can use GNURadio to examine the performance of a Goertzel filter tone detector. Its selectivity depends on the number of samples used. Read more
Learning Software Defined Radio, and DSP
Move to the intermediate level of learning software defined radio with cheap tools. Bring your DSP textbooks to life with hands on experiments and hacking. Read more