Global Navigation Satellite Systems Engineering, Policy, and Design
Signal structure and ephemeris and timing error correction. Finding alternative positioning, navigation and timing (PNT) technologies to GNSS is more pressing than ever.
By Zak Kassas et alia
Xona Space Systems recently launched its first production-class LEO satellite into orbit, a major step toward the ultimate goal: offering a commercial service that will complement GNSS and become a critical part of a more layered approach to PNT.
By Renee Knight
The Department of the Air Force (DAF) launches the Navigation Technology Satellite-3 (NTS-3) Vanguard on the USSF-106 mission from Cape Canaveral Space Force Station, Florida, Aug. 12, 2025. NTS-3 is a payload for the first U.S. national security launch aboard a United Launch Alliance Vulcan rocket.
By Inside GNSS
Partnership meets growing demand for precision among Taiwan Mobile’s existing automotive, robotics, and fleet customers.
By Inside GNSS
The European Union is rapidly redefining its space and defense posture, advancing autonomy, reinforcing resilience, and asserting global leadership through systems like Galileo and IRIS², and with a newly proposed EU Space Act.
By Peter Gutierrez
Resiliency was again top of mind at this year’s JNC, where manufacturers displayed a variety of solutions designed to complement and strengthen PNT.
By Renee Knight
Interference with GNSS signals used by maritime has been pervasive for years in areas such as the Baltic and the Black Seas. Today, in the Strait of Hormuz alone, over 1,000 commercial vessels are impacted each day.
By Dana A. Goward
Exail has secured a new contract with a U.S.-based global defense player. The agreement involves the delivery of 100 Phins Compact Inertial Navigation Systems (INS) to equip Unmanned Underwater Vehicles (UUVs).
By Inside GNSS
HawkEye 360 Inc., a provider of signals intelligence data and analytics, today announced enhancements to its GNSS Interference (GNSS-I) Detection product suite.
By Inside GNSS
In recent years, the threat of spoofing — the transmission of false signals intended to deceive satellite navigation receivers — has become increasingly prominent.
By Inside GNSS
Honeywell has been selected by the U.S. Department of Defense’s (DOD) Defense Innovation Unit (DIU) to participate in the Transition of Quantum Sensing (TQS) program.
By Inside GNSS
Critical National Infrastructure (CNI) is vulnerable to loss of GNSS for positioning, navigation, and timing (PNT). Low Frequency (LF) systems like eLoran offer a robust alternative, especially where satellite signals are degraded or unavailable. Strong 100 kHz eLoran signals are resilient to space weather and difficult to jam or spoof.
By Peter Gutierrez
L3Harris recently demonstrated a Positioning, Navigation, and Timing (PNT) solution for the U.S. Space Force’s (USSF) Space Systems Command that is adaptable to different platforms, is fully reprogrammable on-orbit, and is scalable to support additional signals and increased power to address evolving threats.
By Inside GNSS
