ArkEdge Space Inc. has been selected for Japan’s fiscal 2025 QZSS Utilization Demonstration Project. The initiative is ...

It’s a great time for location applications because technology hardware standards and Android application programming interfaces (APIs) are all evolving simultaneously to enable an improved location ...

1. “SV Number” refers to space vehicle number. “PRN Number” refers to the satellite’s unique pseudorandom noise code. 2. Clock: Rb = rubidium; Cs = cesium. 3. “Launched” and “Usable” dates are based ...

This article is based on a presentation to the National Space-Based Positioning, Navigation and Timing Advisory Board in June 2015. The study reported on at the meeting was requested by the National ...

GPS signals are so weak, they cannot be used reliably where they are obstructed. But if the satellites were much closer, their signals would be much stronger.

You may have heard about “NMEA data” with respect to GPS. NMEA can be confusing because there are a few NMEA messages, not just one.

You’ve probably heard of at least one of those terms in any discussion around GPS anti-jam technology for defense. Because they are all terms that describe essentially the same thing: a specialized ...

Rohde & Schwarz has successfully demonstrated its latest advancements in counter-drone technology at CUAS Expo 2025.

Figure 7. Possible spoofing source locations. We’ve heard a lot in the news recently about GPS spoofing, mostly centred on the story of ship spoofing in the Black Sea. Between June 22-24, a number of ...

Fifty years since it was designed and approved by the U.S. Department of Defense (DOD), the GPS is at risk of losing its status as the world’s gold-standard location service, reported The Wall Street ...

It has been said that “the only alternative to a GNSS is another GNSS”. Your website’s homepage claims that Xona will be “the next generation of GNSS.” Will it provide all the positioning navigation ...

Modern satellite constellations such as OneWeb, Starlink and CENTISPACE promise global communications and navigation capabilities using low-Earth orbit (LEO) ...