Blog

Reliable GNSS Positioning in Urban Areas: A Key Technical Challenge for Drones and Self-Driving Cars

Signal reception is one of the big technological challenges of the modern age. Today, it’s mostly thought of as a telecoms issue. If someone complains that their smartphone has ‘lost reception’, they’re most likely referring to a loss of cellular signal. And the chances are it’s because they’re in a rural location, far from any […]

Jeremy Bennington | Jun 2021

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Ligado Controversy Highlights Risk of Adjacent Band Interference to GPS Receivers

GPS users should assess the threats posed by adjacent band interference and mitigate any risks.

Guy Buesnel | May 2021

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Navigation Beyond Visual Line of Sight: The Next Big Challenge for UAV Developers

Regulators are preparing to certify UAVs to fly beyond the operator’s line of sight. A reliable positioning engine will be essential for safe, accurate navigation.

Adam Price | Apr 2021

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CRPA Testing: Achieve High-Performance GNSS Simulation in the Lab with Spirent

Controlled reception pattern antenna (CRPA) systems are the state of the art in maximizing reception of authentic GNSS signals while rejecting interference and false (spoofed) signals. Technologies such as military aircraft, drones, and autonomous vehicles all rely on CRPA systems for reliable and accurate positioning even in interference-rich environments. To ensure the highest levels of […]

Ricardo Verdeguer Moreno | Mar 2021

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New Spirent GSS9000 Series Capabilities Include Industry-First 2 kHz Update Rate

Spirent is addressing the evolving PNT assurance requirements of high-end GNSS technology developers by introducing a series of new capabilities that further increase the performance and flexibility of our enhanced GSS9000 Series GNSS Constellation Simulators. Building on the significant simulator hardware enhancements delivered in 2019, the new capabilities are designed to meet the exacting test requirements of […]

Ricardo Verdeguer Moreno | Mar 2021