Meshtastic is a way to build mesh networks using LoRa that is independent of cell towers, hot spots or traditional repeaters. It stands to reason that with an SDR and GNU Radio, you could send and ...

Software radio is the technique of getting code as close to the antenna as possible. It turns radio hardware problems into software problems. The fundamental characteristic of software radio is that ...

My article “GNU Radio: Tools for Exploring the Radio Frequency Spectrum” [LJ, June 2004] provides an overview of how the GNU Radio system works and discusses a couple hardware options for getting the ...

Software defined radio has become a staple of the RF tinkerer, but it’s likely that very few of us have ever taken their software defined toolchain outside the bounds of radio. It’s an area explored ...