B: Applications

Multiple Imaging Radars Integrate with INS/GNSS via AUTO Software Reliable and Accurate Positioning for Autonomous Vehicles and Robots

Difficult GNSS environments and adverse weather conditions require a fusion of many sensors to maintain lane-level accuracy for autonomous platforms, without incurring high costs that would inhibit widespread adoption. Radars are an attractive option in a multi-sensor integration scheme due to being robust to adverse weather and insensitive to lighting variations.

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By Inside GNSS
March 10, 2022

Signal Authentication, 5G and a Whole Lot of SatNav Trouble

The following is a partial transcript of a talk given to the National PNT Advisory Board Executive Committee (PNTAB ExCom) on December 9, 2021. It connects GNSS signal authentication, by both Galileo’s OSNMA and the proposed GPS Chimera signal, with developing PNT capabilities in 5G telecom technology, and further, with software-defined radio (SDR) capabilities aboard some GNSS satellites that could place GPS in the second tier.

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By Inside GNSS
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March 7, 2022

Washington View: 5G, PNT, and Air Safety

A  deadlock over 5G implementation, and the potential hazards the technology would create for air traffic safety, has been at least temporarily resolved. Not all questions have been answered nor problems eliminated, however. And while radio altimeters do not use GPS or GNSS technology, they are definitely PNT devices, and this situation could create precedents for ongoing and future conflicts between telecom and PNT use of the finite radio spectrum.

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By Dawn M.K. Zoldi (Colonel, USAF, Ret.)
March 1, 2022

Real-Life Testing: Part 2 – Operational Test Phase

Skin in the Game – Engineers Subject Themselves to Sensor Fusion

Two Hexagon I NovAtel employees and a reporter sacrificed their bodies in the name of science by riding in the jump seat of an Aero Albatros fighter training jet during the L-39 demonstrations. Here, we get the perspectives of those brave souls and the mastermind behind the unique human aspect of this experiment.

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By Dawn M.K. Zoldi (Colonel, USAF, Ret.)
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February 24, 2022

Software-Defined GNSS Receiver Goes Open Source

The Finnish Geodetic Institute (FGI) of the National Land Survey of Finland announced the release of its software-defined receiver as open source for the international GNSS community. The GSRx software receiver has been extensively used as a research platform for the last decade in different national and international R&D projects to develop, test and validate novel receiver processing algorithms for robust, resilient and precise position, navigation and timing (PNT).

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By Inside GNSS
February 17, 2022

New OEM Heading and Positioning Board Upgrades to Multi-Frequency GNSS

Hemisphere GNSS’s new Vega 34 OEM heading and positioning board enables users to upgrade to multi-frequency GNSS without changing pinouts. Integrators who use predecessor Hemisphere 34-pin products such as Crescent Vector H220 and Phantom 34 OEM boards can now transition to improved positioning performance and satellite tracking capabilities of the Vega series.

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By Inside GNSS

Military GPS Equipment Delays Prompt Army, Marines to Buy Direct, Says Latest Pentagon Report

U.S. military efforts to field jam-resistant GPS weaponry not only run behind schedule, they continue to fall back, according to the annual report from the Department of Defense (DoD) Director, Operational Test and Evaluation (DOT&E) Nickolas Guertin. Because “the lack of M-code capable receivers limits the M-code use by U.S. and allied warfighters,” branches of the Armed Forces are now sourcing directly from commercial suppliers.

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By Inside GNSS
February 15, 2022

EMCORE to Acquire L3Harris Space and Navigation Business

EMCORE Corporation, a provider of advanced mixed-signal products that serve the aerospace & defense, communications, and sensing markets, announced that it has entered into a definitive agreement to acquire the assets and liabilities of the L3Harris Space and Navigation Business for approximately $5 million in an all-cash transaction.

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By Inside GNSS
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