If I offered you the secret to the $11 spectrum analyzer & software-defined radio, what would you promise me? Your firstborn? Treasures of gold and diamonds. Well, I'll consider the latter. Here it is ...

Two years ago, I wrote about using an inexpensive RTL2832-based DVB/DAB USB dongle as a spectrum analyzer and receiver. (See “Software-Defined Radios Help Explore RF Spectrum,” July 11, 2012). It is ...

A free software upgrade from Signal Hound offers a single graphical user interface to control the SA series of USB-powered spectrum analyzers and the TG series of tracking generators, providing ...

When the first USB DTV receivers came out with tuners covering 54–806 MHz, I wondered if any of them could be modified into an inexpensive spectrum analyzer. Thanks to RealTek and some Linux kernel ...