https://pictures.abebooks.com/isbn/9781580538947-us.jpg Understanding GPS: Principles and Applications@By: Elliott Kaplan, Christopher Hegarty, Editors@Publisher: @Artech House@Print ISBN: 9781580538947, 1580538940@eText ISBN: 9781580538954@Edition: 2nd@Format: PDF@Available from $ 139.00 USD@SKU: 9781580538954 Ebooks here: https://ouo.io/5ga2Vf
