The global positioning system (GPS) constellation comprises 24 or more satellites in six orbital planes at an altitude of approximately 12,550 miles. Synchronized with on-board atomic clocks, the ...

No audio available for this content. Recommendation PNT27-04. (Photo: Presentation by John W. Betz, PhD Member, National Space‐Based PNT Advisory Board on May 29, 2024) The November and December ...

EXCLUSIVE — Opposition to land-based infrastructure that could serve as a backup for satellite GPS is being spearheaded by groups linked to Chinese corporations, possibly putting America’s national ...

No audio available for this content. Click to read Richard Langley’s Innovation Insights column, “GNSS jamming and spoofing.” Figure 1: GPSJAM map on March 23, 2024. The map is based on GPS accuracy ...

The rise of GPS vulnerability is putting more resilient, atom-based navigational tools on the map. In late September, a Spanish military plane carrying the country’s defense minister to a base in ...

"The world has all been based on GPS. But what happens when you lose it? How do you navigate?" When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Markus Lutz is CTO and Founder of SiTime Corporation. He is a MEMS expert, a prolific entrepreneur and inventor who holds over 100 patents. From communications networks to location services, we rely ...

The UK is taking a significant step toward modernizing its rail travel experience by trialling a GPS-based ticketing system. This innovative approach could simplify train travel by eliminating the ...