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:Revolutionist Parkinson Covers Past, Present, Future…Inside GNSS to Present Webinar on GNSS Jamming &…Figure 2: Acoustics & GPSGNSS Vulnerability: Present Dangers and Future Threats