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TAG: Ellen Hall

Image: GPS World

Editorial Advisory Board PNT Q&A: GNSS diminishing returns?

June 1, 2021

As the number of GNSS constellations and satellites in orbit continues to grow, will we reach the point […]


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This article is tagged with , , , , , , and posted in GNSS, Opinions
Image: GPS World

Editorial Advisory Board PNT Q&A: Lessons from Galileo and BeiDou

March 22, 2021

What is the single most valuable lesson GPS can learn from Galileo and/or BeiDou? “Service continuity. Given that […]


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This article is tagged with , , , , , , and posted in From the Magazine, GNSS, Opinions
Image: GPS World

Editorial Advisory Board PNT Q&A: Autonomous vehicles & GNSS

December 14, 2020

How is the completion of Galileo and BeiDou affecting the development of autonomous vehicles? “GNSS has had a […]


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This article is tagged with , , , , , , and posted in From the Magazine, Opinions, Transportation
Photo: Elen11/iStock / Getty Images Plus/Getty Images

Spirent Federal to support NASA for GNSS testing

November 17, 2020

NASA has selected Spirent Federal Systems for testing GNSS for lunar exploration. The U.S. Space-Based Positioning, Navigation and […]


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Ellen Hall

History of the GNSS industry and milestones ahead

September 25, 2020

The history of GPS is fascinating. In 1957, a study by JHU’s Advanced Physics Laboratory (APL) utilized the […]


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Headshots: John Fischer and Ellen Hall

Editorial Advisory Board PNT Q&A: Matching receivers and antennas

January 30, 2020

What are the key technical criteria in matching GNSS receivers and antennas from the same or different manufacturers? […]


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This article is tagged with , , , , , , , and posted in From the Magazine, Opinions, Survey
Ellen Hall

Editorial Advisory Board PNT Q&A: Simulation challenges

March 29, 2019

What’s the biggest challenge in simulating new GNSS signals for manufacturers’ product testing? “Anyone can follow a spec, […]


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Spirent's GSS9000 constellation simulator.

Spirent Federal’s SimMNSA granted security approval by GPS Directorate

January 2, 2019

Spirent Federal Systems, provider of GPS/GNSS test equipment, has announced that its new M-code solution, SimMNSA, has been […]


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