Figure 1: GPS: The Present Imperfect April 22, 2010 By Facebook Twitter Linkedin Return to main article: "GPS: The Present Imperfect" Return to main article: "GPS: The Present Imperfect" Related Posts:Inside GNSS to Present Webinar on GNSS Jamming &…Revolutionist Parkinson Covers Past, Present, Future…No Time Like the Present for Europe in AsiaGPS: The Present Imperfect