“In the pioneering sprit of amateur radio and open source hardware and software, I’ve assembled a collection of information and engineering plans for a variety of amateur radio projects. These projects cover a wide range of disciplines.” – KD7LMO
From the GNU radio web site
“GNU Radio is a collection of software that when combined with minimal hardware, allows the construction of radios where the actual waveforms transmitted and received are defined by software.
What this means is that it turns the digital modulation schemes used in today’s high performance wireless devices into software problems.”
The latest in SDR (Software Defined Radio) technology. Here are some projects and information that rely on the GNU Radio and USRP (Universal Software Radio Peripheral).