OTA: GSOC, LimeSDR Mini Updates, Radiosondes, Massive MIMO, and More

LimeSDR Mini Render

Shipping of the LimeSDR Mini continues apace, with all crowdfunding orders and many outstanding post-campaign pre-orders expected to have been filled within a week of this post – and there’s going to be enough stock left over for latecomers, too. In a shipping update on the Crowd Supply campaign page, the team behind the LimeSDR…

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OTA: LimeSDR in Space, 4G on the Moon, and More

Aricebo Radio Observatory

The European Space Agency (ESA) has announced a joint project with Lime Microsystems which will see the LimeSDR family of software defined radios used to develop new and innovative satellite communications systems both on ground and in space. “With modern satellite communications, many design challenges are unique, requiring testing and experimentation to reveal what does…

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OTA: LimeSDR GPIO, Mini Give-away, SpaceX Sats and More

The LimeSDR General-Purpose Input/Output (GPIO) Board, designed to make it easier to interface the LimeSDR with external hardware, is beginning its journeys to backers following a minor delay in the assembly process. Designed to expand the LimeSDR’s capabilities, the GPIO Board provides individually-configurable bi-directional level-shifted input/output pins for the GPIO pins 0 through 7 inclusive…

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OTA: Saving a Satellite, RAN Competition, 3D-Printed Foxhole Radios, and More

Sage Hansen's Foxhole Radio

Dr. Danny Webster’s Wireless Masterclass series continues with a look at more advanced digital radio concepts and implementations including the detection and reduction of data loss The fourth in an ongoing series of presentations, Wireless Masterclass 4 follows on from the introductory video for those new to digital radio, an in-depth look at the LimeSDR…

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OTA: LimeSDR Mini on Android, Quantum Radio, 5G and More

QRadioLink

QRadioLink developer Adrian Musceac has shown off how the LimeSDR Mini can be connected to a smartphone for on-the-go software-defined radio reception and transmission, in the latest demonstration update to the Crowd Supply campaign. Using the GNU Radio-based QRadioLink running on an Android smartphone, a USB battery pack, and a USB On-The-Go (OTG) adaptor cable,…

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OTA: Beginner’s Guides, PocketEPC, GRAVES and More

GRAVES spectrum plot

Karl Woodward’s LimeSDR Made Simple series continues on the Myriad-RF blog with two new hands-on posts: a simple practical example and implementing an FM radio receiver through Pothos. Following on from the first and second entries in the series, Karl’s latest posts are designed to take the theory into the realm of practice. The third…

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OTA: Interferometry, DIY SDR, van Eck Phreaking, and More

David Lonard's interferometry

David Lonard has posted in the forum to share his results with using the LimeSDR for stargazing via astronomical interferometry, using the board’s 2×2 multiple-input multiple-output (MIMO) functionality. “I’ve been working on a 1420 MHz radio astronomy interferometer for a while now and using the LimeSDR that I just received I’m getting some nice results,”…

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Over The Air: Ebrahim Bushehri Interview, ERASynth Update, LimeSDR 4G Repeater, Lime Hackathon Deadline, QB50 Satellites, Drone Hijacking, LTE IMSI Catcher, Chazwazza VNA, Fixing a Bent Antenna, and Focus On Alexandru Csete

ISIS Cubesat

EEWeb’s Paul Dillien has published an interview with Ebrahim Bushehri, chief executive of Lime Microsystems, describing the goal of the LimeSDR and related projects as no less than “to become the Arduino/Raspberry Pi for the wireless engineer.” Paul’s interview with Ebrahim concentrates primarily, and unsurprisingly, on Lime’s ongoing crowdfunding campaign for the LimeSDR-powered LimeNET all-in-one…

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Over The Air: Project Subscriptions, Tip Line, LimeNET Launch Date, Pothos Bugfixes, OpenAirInterface Implementations, DARPA’s Colosseum, and LNA Testing for GOES

DARPA Colosseum

For anyone eager to be at the cutting-edge of project development, there’s now an email subscription option which will alert you every time a Myriad-RF project is updated with per-project tracking to keep things entirely on-topic. Build around the official projects pages, the subscription forms now appear at the bottom of each project’s page –…

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Over The Air: DIY Downconverter, POES Tracker, Pothos and Lime Suite Updates, DARPA’s AMEBA, and Osmocom’s CFP

Nigun Schematic Blueprint

Over The Air is our fortnightly round-up bringing you the latest on topics of interest to the software defined radio community, as curated by technology journalist Gareth Halfacree. Engineer Raziel Einhorn is ringing in the new year with the production of a prototype open-hardware 1.5-3GHz downconverter, designed to allow lower-frequency radio hardware to receive high-frequency…

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