About the Author: Y. Jade Morton, PhD is a Professor at Ann and H. J. Smead Aerospace Engineering Sciences Department, University of Colorado at Boulder. Her research interests lie at the intersection of satellite navigation and remote sensing of the space environment, atmosphere, and Earth surface. She has led numerous research projects sponsored by AFOSR, AFRL, DARPA, NASA, NSF, ONR, and private industries. Dr. Morton is the President of the Institute of Navigation (ION), a fellow of IEEE, ION, and the Royal Institute of Navigation (RIN, UK).
Frank Van Diggelen, PhD is a Principal Engineer at Google, where he leads the Android Core-Location Team. He also teaches at Stanford University. He is the inventor of coarse-time GNSS navigation, co-inventor of Long Term Orbits for A-GNSS, and the author of "A-GPS" the first textbook on Assisted GNSS. He is Executive Vice President of the Institute of Navigation (ION) and a Fellow of the ION and the Royal Institute of Navigation (UK).
James J. Spilker, Jr., PhD was a Consulting Professor in the Aeronautics and Astronautics Department at Stanford University. Dr. Spilker was an elected member of the National Academy of Engineering, a Life Fellow of the IEEE, and a Fellow of the Institute of Navigation (ION). As one of the originators of GPS, James Spilker shared the Goddard Memorial Trophy and the Queen Elizabeth Prize for Engineering.
Bradford W. Parkinson, PhD is an Edward C. Wells Professor of Aeronautics and Astronautics Emeritus at Stanford University. Dr. Parkinson was the Chief Architect for GPS, led the original advocacy and development for the system, and served as the first Director of the GPS Joint Program Office. He has been the CEO of two companies and serves on many boards. Among his many awards are the IEEE Medal of Honor, the Draper Prize of the National Academy of Engineering, and the Queen Elizabeth Prize for Engineering.
