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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This article is tagged with Ellen Hall, Gladys West, GPS, GPS precision, Naval Research Lab, Navy Transit program, The Aerospace Corporation, U.S. Air Force and posted in From the Magazine

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 controlled radiation pattern antenna, CRPA, Ellen Hall, fixed-pattern antenna, GNSS antennas, GNSS receivers, John Fischer, SWaP and posted in From the Magazine, Opinions, Survey

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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This article is tagged with EAB, Editorial Advisory Board, Ellen Hall, GNSS simulators, John Fischer, Julian Thomas and posted in From the Magazine, Opinions

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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This article is tagged with Ellen Hall, Global Positioning Systems Directorate, GPS Directorate, MNSA, Modernized Navstar Security Algorithm, Rockwell Collins, security approval, SimMNSA, Spirent Federal and posted in Defense, Featured Stories, Latest News