OTA: Kimera Video Transmission, GNU Radio for Android, QO-100 QSO, and More

Community member Luigi Cruz has published a tool which is capable of encoding any video source, complete with hardware acceleration, and transmitting it over the airwaves using a LimeSDR. “Kimera can capture any camera connected to your computer, hardware encode it with any codec available (e.g. HEVC, AVC, AV1), and…
Luigi Cruz' Kinema

OTA: Portsdown LimeSDR USB Support, DragonOS and PiSDR Updated, and More

The British Amateur Television Club’s Portsdown digital TV transmitter project now supports the LimeSDR USB open software-defined radio, in addition to its earlier compatibility with the smaller LimeSDR Mini and all-in-one LimeNET Micro. Detailed over on the Lime Micro Community Hub, the Portsdown project offers radio amateurs an easy…
Portsdown on LimeSDR USB

OTA: DreamCatcher’s Lab Kit, LuaRadio 0.6.1, Antenna Simulation, and More

Technical training specialist DreamCatcher has launched a training course with LimeSDR-powered lab kit, designed to teach university-level students Long Term Evolution (LTE) network concepts. “The ME1130 serves as a ready-to-teach package for in-depth understanding and hands-on experience on LTE and LTE-Advanced technologies,” DreamCatcher explains of the hardware that backs the…
DreamCatcher Lab Kit

OTA: Lime Suite 20.01.0, cuSignal Acceleration, MIT’s RFocus, and More

The Lime Suite software bundle has received a significant update, to version 20.01.0, bundling new support for the LimeRFE software-defined front end, improved tuning and PLL locking, and other improvements. In its latest release, the open-source Lime Suite library comes with support for the LimeRFE front end, following on from…
MIT RFocus (Courtesy of Jason Dorfman/CSAIL)

OTA: PiSDR 3.0 brings LimeNET Micro Support, Satellite News, and More

Luigi Cruz has released version 3.0 of PiSDR, an SD Card image for the Raspberry Pi pre-loaded with software defined radio tools compatible with the LimeSDR – and, as of this latest release, the LimeNET Micro too. This latest release of Cruz’ PiSDR includes support for the Raspberry Pi 4…

OTA: QO-100 FreeDV Transmissions, Lime-Powered 5G Testbeds, O-RAN Code, and More

Lime Microsystems has published an interview with Gerhard Burian, David Rowe, and Steve Sampson on using FreeDV Mode 2020 for transmitting digital voice via the Es’Hail-2 satellite’s amateur radio transponder (QO-100) using just 1,600 Hz of radio frequency bandwidth. “The bandwidth regulation on the [QO-100] narrow band transponder, being 2,700…

OTA: LimeRFE Shipping Update, Signals Everywhere on the LimeSDR Mini, and More

The LimeRFE software-definable RF front-end has officially passed verification in its updated v1.0 revision form, with production of the backer boards on-track for a late-January shipping schedule. As detailed back in August, the LimeRFE board – which offers low-noise amplification, power amplification, and filtering under software control from the LimeSDR…
LimeRFE, in hand

OTA: LimeNET Manufacturing Update, LimeSDR Mini External Reference Guide, and More

Manufacturing of the LimeNET Micro is underway, after initial volume production was delayed by selected components entering end-of-life (EOL) status. “A few of the parts we were planning to use went end-of-life just as we were in the process of setting up a volume production run,” explains Lime Micro’s Andrew…

OTA: Osmocom Updates, OpenRAN Hits the UK, Seeing Through Walls, and More

The Osmocom open-source cellular communications project has released an updated Cellular Network Infrastructure (CNI) stack, which brings with it improved support for the LimeSDR family. “The Osmocom project has released new version of the CNI (Cellular Network Infrastructure) software, including OsmoTRX, OsmoBTS, OsmoBSC, OsmoMGW, OsmoMSC, OsmoHLR, OsmoSGSN, OsmoGGSN,” project maintainer…

OTA: LimeNET Micro GNSS Monitoring, QO-100 Power Warnings, SDR# Plugins, and More

Community member Luigi Cruz has written up how he modified a LimeNET Micro to take part in the Galmon global navigation satellite system (GNSS) monitoring network. “In this blog post, I will explain how I managed to get a GNSS multi-constellation monitor called Galmon working on my LimeNET Micro,” Luigi…
Luigi Cruz' LimeNET Micro Mod

OTA: Active Cooling Cases, QRadioLink 0.8.0, GNSS Observation, and More

LimeSDR Mini and LimeSDR USB owners seeking additional cooling should take a look at the Hacker Gadgets Lime Active Cooling (AC) Case, heading to Crowd Supply next month. Designed to provide both a protective enclosure and active, rather than the more usual passive, cooling, the Hacker Gadgets Lime AC Case…
Lime AC Case for LimeSDR Mini