TAG: GPS receivers

Make it real: Developing a test framework for PNT systems and devices

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Tests of the robustness of commercial GNSS devices against threats show that different receivers behave differently in the presence of the same threat vectors. A risk-assessment framework for PNT systems can gauge real-world threat vectors, then the most appropriate and cost-effective mitigation can be selected. Vulnerabilities of GNSS positioning, navigation and timing are a consequence of the signals’ very low... read more

Mayflower selected for submarine antenna anti-jam upgrade

October 31, 2016By
The SAGE (NavGuard 501) GPS anti-jam unit.

An antenna upgrade for U.S. Navy submarines is being provided to improve GPS anti-jamming capabilities. Mayflower Communications Company, subcontractor to Lockheed Martin Sippican, is applying its Submarine Anti-Jam GPS Enhancement (SAGE) capability to the U.S. Navy Multifunction Mast Antenna System (OE-538B) upgrade to improve submarine communications and meet Navigation Warfare (NAVWAR) requirements. The Mayflower SAGE — a variant of Small Antenna System (SAS)... read more

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Juniper to Exhibit Sub-Meter GPS Solution at Esri User Conference

July 13, 2015By
Juniper-submeterGPS-EsriUC-O

Juniper Systems is exhibiting its sub-meter GPS solution using Esri ArcPad, Effigis’ EZSurv Post-Processing software, and its ultra-rugged handheld computers — a combination the company says is budget-friendly and easy-to-use — at the Esri User Conference, being held in San Diego July 20–24. The sub-meter solution involves collecting GIS data using a Juniper Systems rugged handheld running ArcPad data collection software, and then... read more