Global Navigation Satellite Systems Engineering, Policy, and Design
What 12 million GPS special messages reveal about military rekeying on a public channel.
By Steven J. Murdoch
Humphreys’ UT Radionavigation Lab worked with Stanford to identify satellites.
By Dana A. Goward
The House Energy and Commerce Subcommittee on Communications and Technology convened a wide-ranging examination of U.S. positioning, navigation and timing capabilities on June 4, drawing five witnesses across the GPS, broadcast, terrestrial and public-interest sectors to a hearing titled “Where Are We? Examining Positioning, Navigation, and Timing Capabilities in the United States.”
By Inside GNSS
This major shift in architectural framework would spatialize core SBAS components within a distributed network of LEO satellites.
By Inside GNSS
Safran Federal Systems announced on June 1 the delivery of its 50,000th SecureSync time synchronization system, marking nearly two decades of fielded precision timing across civil and defense networks.
By Inside GNSS
VectorNav Technologies announced June 2 expanded support for Low Earth Orbit satellite signals as an aiding source for its inertial navigation systems, with the capability now available as a development kit centered on the VN-210E GNSS-Aided INS and broader support available across the Tactical Series upon request.
By Inside GNSS
Locata CEO Nunzio Gambale explains why fielding complementary PNT solutions is about much more than just backing up GPS, and why PNT resilience has become an ecosystem problem.
By Inside GNSS
Oscilloquartz brings telecom-scale timing expertise to defense networks.
By Inside GNSS
Building assured PNT for the fight we are actually in.
By Inside GNSS
As small autonomous aircraft move into more demanding operating environments, the PNT challenge is shifting from nominal accuracy to system coherence. Hyfix argues that tighter integration across positioning, timing, estimation, and control can reduce hidden error, improve integrity, and make autonomy stacks more resilient under degraded conditions.
By Inside GNSS
As jamming, spoofing and GNSS denial become operational realities, VIAVI’s transcoder is emerging as a practical bridge between legacy vehicle systems and the next generation of assured positioning, navigation and timing.
By Inside GNSS
Calian has announced two new pole mount controlled reception pattern antennas — the CR8894PXF+ and CR8854PXF+ — expanding its CRPA line with installation options suited to communications towers, vessels, monitoring stations, and critical infrastructure.
By Inside GNSS
