Global Navigation Satellite Systems Engineering, Policy, and Design
Microchip Technology’s new time and frequency server with an embedded M-Code GPS receiver gives protection to military communication systems, radar and networks from the threats associated with intentional GPS jamming and spoofing, as well as cybersecurity risks to critical infrastructure.
By Inside GNSS
The European GNSS Agency (GSA) has published a White Paper on “Power-efficient positioning for the Internet of Things,” providing an overview of GNSS technologies that are relevant for low-power IoT applications, including those that require hybridization with other connectivity solutions.
By Inside GNSS
A recent test demonstrated that the combination of the SecureSync time server manufactured by Orolia and the Satellite Time and Location (STL) service provided by Satelles can deliver extremely accurate timing as compared to Coordinated Universal Time (UTC).
By Inside GNSS
Microchip Technology Inc. has released a smaller-footprint, higher-performance atomic clock to meet core telecomm, military and critical infrastructure requirements for wider thermal range, quicker lock and higher stability.
By Inside GNSS
The European GNSS Agency (GSA) awarded a contract for the development of the Galileo-based TIming Receiver for CriticAl INfrastructure Robustness (GIANO) to Thales Alenia Space, for resistance against interference, jamming and spoofing.
By Inside GNSS
The basis of all precision positioning and navigation is precision timing. Timing comes first. GPS Time is defined on the basis of a set of atomic clocks orbiting aboard the satellites and on the ground in monitoring stations; similarly for the other GNSS systems.
By Inside GNSS
The U.S. National Aeronautic and Space Administration (NASA) has activated an orbiting ultra-precise atomic clock orbiting aboard a spacecraft provided by General Atomics Electromagnetic Systems. If the clock performs as well in space as it has in the lab, losing only one second every 10 million years, the technology could enable far-reaching deep space missions—and improve the accuracy of GNSS timing and positioning.
By Inside GNSS
One of the biggest 5G network deployment challenges is synchronizing higher volumes of more densely packed base stations. Another is keeping services operating through GNSS lapses due to vulnerabilities such as jamming, spoofing or loss of signal. Microchip Technology Inc., via its Microsemi subsidiary, is solving these and other challenges for networks with additions to its Precision Time Protocol (PTP) PackeTime® portfolio including the TimeProvider 4100 Release 2.0. The TimeProvider release adds 10 Gigabit Ethernet (GE) support, a Boundary Clock operation mode that lowers operational costs, and other enhancements to improve how timing flows are distributed from multiple sources to a network’s base stations and other endpoints.
By Inside GNSS
KENNEDY SPACE CENTER, FLORIDA — NASA is poised to demonstrate an advanced atomic clock that could someday markedly improve satellite navigation.
By Dee Ann Divis
An increasing number of applications require accurate, reliable, and traceable signals for time and synchronization. Key fields of application include banking and finance, telecom networks and electricity grids. GMV’s WANTime is a new time service for the city of Madrid, Spain, distributed using the White-Rabbit network protocol over optical fiber. A pilot customer of the service is currently the Madrid Stock Exchange (Bolsa de Madrid), connected to GMV’s datacenter by a network link of around 50 kilometers.
By Inside GNSS
Washington, DC, May 6, 2019 – Orolia, a provider of Resilient Positioning, Navigation and Timing (PNT) solutions, announced today that its SecureSync time and synchronization servers have been selected to support enroute radar systems across the U.S.
By Inside GNSS
The new BlueSkyTM GNSS Firewall protects already deployed GPS systems by providing a cost-effective overlay solution installed between existing GNSS antennas and GPS systems, according to the manufacturer Microsemi. Similar to a network firewall, the BlueSky GNSS Firewall protects systems inside the firewall from untrusted sky-based signals outside the firewall.
By Inside GNSS
The upcoming GPS Week Number Rollover (WNRO) on April 6 is bringing a lot of attention not only in the specialized GNSS media, but also in the general media. The WNRO is a known feature of GPS that occurs only every roughly 20 years and thus can be anticipated and tested in a receiver using a GNSS simulator.
By Inside GNSS
Precision time and frequency solutions provider EndRun Technologies has launched its next generation, e-Series Distribution Chassis that adds a secure, integrated network management interface. The e-Series Distribution Chassis is said to maintain the industry leading frequency, pulse, and time code distribution functionality that provides high integrity signals to mission critical systems including communications, satellite earth stations, broadcast transmitters, military test ranges, production test, and others.
By Inside GNSS
EndRun Technologies, a provider of precision time and frequency solutions, has announced the availability of the Meridian II 2U Precision TimeBase, a metrology grade time and frequency standard traceable to UTC(USNO). This addition to the Meridian II product family introduces an Ultra-Stable Rubidium oscillator option, increased output capacity, and modular power supplies for high-availability, mission critical, and high-performance applications.
By Inside GNSS
