From the reviews:
"Author Joseph L. Awange opens by providing readers with a summary of what GNSS involves in terms environmental monitoring. ... chapters of the book include a summary of GNSS technology, how it operates and comparisons between different systems. This information provides enough detail to allow both professional and non-professional GNSS readers to maintain interest ... . Readers can learn in this book about designing monitoring surveys and mission planning for their field operations." (Jeff Thurston, 3D Visualization World Magazine, 3dvisworld.com, July, 2012)