Figure 3: The antenna was connected to the RF port of the USRP. The USRP sampled the analog data delivered by the antenna using the TCXO as the reference oscillator. The resulting sampled data was stored in a Linux-based computer. (Image: Authors)

Innovation: Software-defined radios for GNSS

November 22, 2022

A Step-by-Step Exposition of an Educational Resource

Researchers discuss their development and testing of additional freely available SDR codebases covering all four GNSS (GPS, Galileo, BeiDou and GLONASS).

This article is tagged with GNSS-SDR, Innovation, Richard Langley, SDR, software-defined radio and posted in From the Magazine, Innovation

Illustration of ad-hoc metadata exchange between SDR data creators and users. (Image: NAVIGATION)

GNSS software-defined radio metadata standard published

May 25, 2021

The GNSS Software Defined Radio Metadata Standard document has been published in NAVIGATION: Journal of the Institute of […]

This article is tagged with GNSS SDR Metadata Standard, metadata standard, software-defined radio and posted in GNSS, Latest News

CYAN EC software-defined radio performs multiplexing for system integrators

May 13, 2021

Per Vices Corp. has launched an upgraded version of its high-performance software-defined radio (SDR) platform Cyan EC (extended channel). […]

This article is tagged with Cyan EC, DSP, Per Vices Corp., SDR, software-defined radio, Top 100, Victor Wollesen, wide bandwidths and posted in Latest News, OEM

Figure 3. European Galileo satellites provide an open authentication service on the E1 signal and a commercial authentication service on the E6 signal. (Image: European Space Agency)

How do we ensure GNSS security against spoofing?

October 9, 2019

By Maria Simsky Technical Writer, Septentrio As technological advances make GPS/GNSS devices more affordable, our lives are becoming […]

This article is tagged with GNSS security, GPS spoofing, Maria Simsky, SDR, Septentrio, smartphone, software-defined radio, spoofing and posted in Defense, Latest News

ION requests final comments on GNSS SDR Metadata Standard

October 2, 2018

The Institute of Navigation’s GNSS Software Defined Radio Metadata Standard working group is seeking its second and final […]

This article is tagged with GNSS SDR Metadata Standard, GNSS software, Institute of Navigation, ION, metadata standard, public comment, software-defined radio, working group and posted in GNSS, Latest News

Courtesy of SPCOMNAV, Universitat Autònoma de Barcelona

Innovation: The continued evolution of the GNSS software-defined radio

January 18, 2018

Getting better all the time
In this month’s column, we review the history and future of software-defined radios (SDRs), looking in particular at GNSS SDRs.

This article is tagged with GNSS receiver, GNSS-SDR, Innovation, integrated circuit, SDR, software-defined radio and posted in From the Magazine, Innovation

Spoofing in the Black Sea: What really happened?

October 11, 2017

Between June 22-24, a number of ships in the Black Sea reported anomalies with their GPS-derived position, and found themselves apparently located at an airport.

This article is tagged with anti-jam, critical infrastructure, CRPA, drones, GNSS antennas, inertial sensors, jamming, Pokémon GO, Russia, software-defined radio, spoofing, UAVs and posted in Defense, Featured Stories, Opinions

ION requests comment on GNSS SDR Metadata Standard

September 15, 2017

The Institute of Navigation’s GNSS Software Defined Radio Metadata Standard working group is seeking public comment on the […]

This article is tagged with Institute of Navigation, ION, metadata, post-processing, public comment, SDR, software-defined radio and posted in GNSS, Latest News

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