Over The Air: GOES-R, LuaRadio, Spectrum Capture, and LoRa

GOES-R satellite launch image, courtesy NASA

Over The Air is our newly-launched fortnightly round-up, bringing you the latest on topics of interest to the software defined radio community as curated by technology journalist Gareth Halfacree. The US National Oceanic and Atmospheric Administration (NOAA) has successfully¬†launched GOES-R, its most advanced weather monitoring satellite, and is proceeding to move it into its permanent…

Read more

LoRa modem with LimeSDR

LoRa is a chirp-based modulation format that can operate beneath the noise floor. Its robust, low power, and low rate — and a candidate technology for connecting the internet of things. In this blog I will cover the basics of LoRa modulation, show off the LoRa PHY blocks for Pothos, and demonstrate simple relay and client applications using a pair of LimeSDRs.