John W. Betz, PhD, is a Fellow of The MITRE Corporation and an internationally recognized expert in satellite-based navigation and timing. He is an innovator whose technical contributions and personal involvement have shaped the design of modernized GPS as well as other satnav systems. He is a sought-after speaker and instructor with multiple award-winning publications, and is a Fellow of the IEEE and the Institute of Navigation. His extensive knowledge, combined with his ability to provide a clearly structured and comprehensive depiction of all aspects of satnav engineering, promise to make this book the standard text and reference for this field.
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