GPS For Dummies, 2nd EditionISBN: 978-0-470-15623-0
Paperback
416 pages
October 2008
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Joel McNamara is a technology consultant and author. He first worked with LANDSAT satellite data during an earlier career as an archaeologist, and has used digital mapping and GPS in search-and-rescue missions, wild land firefighting, disaster response and planning, and outdoor recreation activities.