Description: Map of the Week by Howard Ehmke
map of the week (1) aerial of the week (1) article of the week (1) point of the week (1) survey of the week (1) website of the week (1) land survey of the week (1) humor of the week (1) by howard ehmke (1) hosted by tim whitaker (1)
http://mapoftheweek.net/Post/992/Cunnyngham-Making-Land-Surveys.pdf
GPS World: New Signals, New Launches, and Faulty GPS Receivers http://gpsworld.com/new-signals-new-launches-and-faulty-gps-receivers/
Everything you need to know about the next generation of GPS http://www.digitaltrends.com/mobile/gps-iii-explained-everything-you-need-to-know-about-the-next-generation-of-gps/