James R. Callahan
1 book
About the Author
James R. Callahan writes clear, practical guides for professionals working at the intersection of surveying, engineering, and construction. His notable work, GNSS Surveying in Practice: RTK, PPK, and Static GNSS Workflows for Land Surveyors, Civil Engineers, and Construction Professionals, addresses essential satellite-positioning methods and field workflows with an emphasis on real-world application. Callahan’s writing helps readers understand technical concepts, compare surveying approaches, and apply GNSS techniques with confidence across demanding projects. His work is especially valuable to practitioners seeking accessible guidance on RTK, PPK, and static GNSS surveying.
Common genres
Writing style
practical
clear
technical
Books by James R. Callahan
