Abstract: The rapid growth of space-based activities has greatly heightened the need for accurate, real-time tracking of low Earth orbit (LEO) satellite positions. Currently, the real-time precise ...

New data from GPS trackers installed in hazardous e-waste from Australia reveals "likely" illegal exports to South-East Asia, a United States-based not-for-profit environmental group says. The Basel ...

As a Navy mathematician in the 1950s and beyond, she played an unheralded but foundational role in making possible the global satellite-based mapping system. Dr. Gladys West spent her career in ...

CC0 Usage Conditions ApplyClick for more information. Donated to the Archives Center in 2010, by MiTAC Digital Corporation through Michael Williams, Director of Marketing and Gary Barta, Janice Itnyre ...

Abstract: The Global Positioning System (GPS), one of the Global Navigation Satellite Systems (GNSS), provides accurate position, navigation and time (PNT) information to various applications. One of ...

She navigated segregation to become an esteemed mathematician — and today, her work helps billions of people navigate the world. Gladys West, whose pioneering career contributed key elements to what ...