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Protecting GPS-Reliant Military Systems – Part 1

July 25, 2018
By John Fischer, VP, Advanced R&D
 
While the use of GNSS – more commonly known as GPS – is now widespread, the signal itself comes from satellites that are 20,000 kilometers away, making it fairly weak and subject to loss of signal or interference. For military operations, this presents several challenges. In a recent naval exercise, a scenario of GPS denial triggered up to 48 shipboard systems to generate alerts when GPS was lost. This shows how GPS is so pervasive and deeply integrated into many military systems for air, land and sea.
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M-Code Receiver Testing: The Time is Now

June 19, 2018
By Lisa Perdue, Product Manager
 

M-Code – it is here. Public Law 111-383, Section 913 requires all military GPS user equipment purchased after FY 2017 to be M-Code capable, unless a waiver is issued the Secretary of Defense.

One reason for the Secretary of Defense to issue this waiver has been the unavailability of M-Code user equipment. With Military GPS User Equipment (MGUE), or M-Code receivers, becoming available to vendors, now is the time to start getting serious about integration and performance testing of MGUE and systems that rely on it.

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GNSS Simulation for Space Based Applications

June 8, 2018
By Lisa Perdue, Product Manager
 

When it is time to test your device with an embedded GNSS receiver, there are several test methods. You can use the live sky signal, a record and playback device or a GNSS simulator.  However, when it is time to test your GNSS equipment designed to operate in space, live sky signal and record and playback are typically not options. You need a GNSS simulator. And not just any simulator: You need one designed to test GNSS receivers used in space-based applications.

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Securing Critical Infrastructures from Jamming and Spoofing Cyberattacks

May 23, 2018
By Frederic Silva, Global Business Development Director, Intelligent Transport Systems
 
More than 2,000 billion Euros of critical infrastructures around the world are directly dependent upon GPS every day – including public and private, aerospace and defense, smart cities, IoT, finance, industry, automotive, ITS, mobility, broadcast and telecom, and Cloud. All benefit from this accurate and trustable PNT service to support their operations.
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The Advent of Tightly Synchronized Clocks in Distributed Systems

May 18, 2018
By Murat Demirbas
 

A key component of distributed coordination is the enforcement of consistent views at all nodes for the ordering of significant events. To this end, events are "timestamped" with logical counters or — increasingly lately — with tightly-synchronized physical time.

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