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InsideGNSS: Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design

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Qualinx has provided technical details on its QLX3Gx ultra-low-power GNSS chip and a companion developer evaluation kit aimed at battery-constrained IoT, wearable, tracking and mobility devices.

The company positions the QLX3Gx as a market-ready receiver built around its Dragonfly Digital RF architecture, which moves many traditionally analog RF functions into ...


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u-blox has introduced the ZED-X20D, a dual-antenna, all-band GNSS heading module that brings centimeter-level positioning and motion-independent heading to high-volume industrial applications.

Built on the company’s X20 high-precision platform, the module delivers RTK-grade performance while maintaining precise GNSS-based heading even at low speeds or standstill...


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Spirent Communications, now part of Keysight Technologies, has introduced a new GNSS test tool designed to close the long-standing gap between field data collection and laboratory simulation in PNT testing.

The new solution, SimXTRACT, allows engineers to decompose real-world RF recordings into discrete signal components and replay them as fully controllable sce...


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Robust Optical Clock Network aims to deliver shoebox-scale and transportable optical clocks with months-long GPS-quality holdover for next-generation PNT and sensor networks.

DARPA has outlined new details of its Robust Optical Clock Network (ROCkN) program, describing how high-precision optical clocks could allow U.S. forces to retain GPS-grade positio...


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A comprehensive look at various concepts related to CDF-overbounding, and a methodology for creating protection volumes that contain positioning errors with a high level of confidence.

SÉBASTIEN TRILLES, ODILE MALIET, JULIE ANTIC, KIN MIMOUNI, THALES ALENIA SPACE, FRANCE

In a broad sense, the notion of integrity refers to the ...


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