Global Navigation Satellite Systems Engineering, Policy, and Design
The White House issued a January 15 policy directive addressing U.S. dependence on GPS and the need to prepare for GPS disruptions. It may also signal an intent to authenticate GPS signals in the future.
By Inside GNSS
The European GNSS Agency (GSA) released a new Galileo Open Service Signal in Space Interface Control Document (OS SIS ICD), the second issue of this document geared towards GNSS receiver manufacturers. Although the modified signals are not yet broadcast by Galileo satellites, the ICD will allow GNSS receiver manufacturers to prepare for the improved signals, set for debut in 2023.
By Inside GNSS
ADVA launched a set network synchronization devices with enhanced capabilities for next-generation applications such as 5G. The latest Oscilloquartz products provide timing accuracy and resilience to edge networks. The OSA 5412 and 5422 offer precise phase, frequency and time-of-day synchronization and can be used for time-as-a-service applications.
By Inside GNSS
Tallysman Wireless introduced two lightweight, compact active Iridium helical antennas: the housed HC610 and the embedded HC610E. They receive the Iridium Satellite Time and Location (STL) signals, used by STL terminals to provide worldwide position, navigation, and timing independent of GPS/GNSS
By Inside GNSS
Ten companies active in positioning, navigation, and timing (PNT) have formed the Open PNT Industry Alliance. The coalition seeks to fortify economic and national security by supporting government efforts to accelerate the implementation of backup PNT capabilities for critical infrastructure.
By Inside GNSS
Septentrio has launched mosaic-T, a highly secure and accurate multi-frequency multi-constellation GNSS timing module for critical infrastructure and mission-critical timing applications.
By Inside GNSS
Microchip Technology Inc. has released a software update for its BlueSky GNSS Firewall product, providing a higher level of resiliency against GPS vulnerabilities for systems dependent on GPS signal reception. Such critical infrastructure systems include power utilities, financial services, mobile networks and transportation, all relying on GPS-delivered timing to ensure ongoing operations.
By Inside GNSS
Since 2015, controlled reception pattern antennas (CRPAs) have come onto the market for civil applications where the need to counter increasing GNSS signal jamming and spoofing has grown exponentially. Highly classified and previously available only to authorized military users, these powerful — and unfamiliar — components expand protection for critical infrastructure. All systems incorporating them should be tested for revamped vulnerabilities. This is how.
A free webinar on Wednesday, March 25 from 1:00 PM – 2:30 PM Eastern Daylight Savings Time addresses the topic “GNSS Vulnerability Testing and the Controlled Reception Pattern Antenna (CRPA).”
By Inside GNSS
The chairman of the Federal Communications Commission (FCC) told two U.S. Senators in January that his agency could not complete a decision on Ligado Network’s license modification by the end of 2019 because of a late-in-the-year response from a key federal agency.
By Dee Ann Divis
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
I strode into the plenary session of the ION International Technical Meeting, primed and ready for a barrage of modernity, of out-in-front advances in precision positioning, navigation and timing. The first thing I saw was a 7-foot tall cesium beam tube, an early atomic clock from the 1950s.
By Alan Cameron
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