University of Pennsylvania
DESTACO GTB series indexers are compact and servo-controlled
GPS Trends and Services
Fred Zahradnik is a former staff writer for Lifewire, where he wrote extensively about GPS products and trends for more than seven years. Zahradnik has edited dozens of buyer's guides and reviewed hundreds of products for publication. He has published hundreds of articles on GPS consumer products and services, GPS science and technology, and military uses of GPS. Zahradnik has served as a GPS expert guest for national "Tech Talk" radio, "Backpacker Magazine," and other outdoor publications.
Zahradnik earned a bachelor's degree in journalism from Pennsylvania State University.
