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

Recent changes in hardware and standards make one-meter accuracy possible, in some cases as soon as this year. The transcript of a talk given to Android developers earlier this year, this article ...

GPS World provides almanac data for readers to use along with a number of resource links to other authority sites.

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.

The figure in the box titled “GEOID18 Conversion Surface in cm” is the surface that represents the difference between NAVD 88 as a datum and the geopotential (geoid) surface used in the gravimetric ...

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 ...

SBG Systems has announced the upcoming release of the Pulse-20 inertial measurement unit (IMU) and the commercial availability of the Pulse-80, expanding its IMU product portfolio to three performance ...

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.

“There are three kinds of lies: lies, damn lies, and statistics.” So reportedly said Benjamin Disraeli, prime minister of Britain from 1874 to 1880. Almost as long ago, we published the first article ...

The redesign includes technological and aesthetic enhancements that provide improved navigation, better organization of content, and make use of current web technologies. GPS World intends for the new ...

What happened is open to educated conjecture. In this column, I’ll briefly cover the history of spoofing, its basic techniques, some spoofing tests that we conducted, and then return to the infamous ...