Somehow [hvde] wound up with a CB radio that does AM and SSB on the 11 meter band. The problem was that the radio isn’t legal where he lives. So he decided to change the radio over to work on the 6 ...

In the last installment we looked at the ultrasonic hardware used in the development of a software designed ultrasonic data transmission system we are calling the SDU-X. In this second, and last, ...

If you haven’t heard about Software-Defined Radio (SDR) by now, you certainly will soon enough. The idea behind SDR has been around for over 30 years, but it’s only recently that it has started to ...

Software-defined radio (SDR) is a flexible and high performance signal processing and radio communication system that employs certain software-based modules instead of traditional hardware-based ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A cellular base station transmitter from Vanu, Inc. became the first software-defined radio (SDR) ...