1990 National Technical Meeting Proceedings SESSION I: GPS STATUS AND PLANS Status of Space and Operations Segments, Lt. Col. Thomas M. Larkin 3 SESSION II: INTERNATIONAL NAVIGATION TRENDS AND INITIATIVES 1990-1995. A Period of International Decision Making for the Navigation Community. Is our Planning as Good as it Should be? Rolf Johannessen 15 An Analysis of GPS Receiver Performance Capabilities and Trends for Survey Applications Using Carrier Phase Measurement Keith D. McDonald 19 PRN Codes for GPS/GLONASS: A Comparison Barry A .Stein & Wai L. Tsang 31 An Integrated GPS/GLONASS Receiver Raymond A. Eastwood 37 SESSION III: LORAN-C IN CIVIL AVIATION Predicted Solar Flare Activity for the l990s: Possible Effects on Navigation Systems Joseph M. Kunches 47 The FAA Gears up for Loran John S. Kern 53 National Association of State Aviation Officials Initiatives for Loran Navigation Michael D. Ferguson 59 Loran-C/GPS Interoperable Computerized Algorithms (LOGICAL) John C. Castonia 61 SESSION IV: NAVSTAR GLOBAL POSITIONING SYSTEM Precision Survey With Ashtech XII Javad Ashjaee 73 Towards a Quantitative Assessment of Benefits Which INS/GPS Integration can Offer to Civil Aviation Operating in a Non-Jamming Environment Rolf Johannessen & M.J.A. Asbury 85 Phase III GPS Manpack Receiver Operation and Navigation Performance Larry D. Synstelien & Theodore C. Dass, III 95 Realtime GPS Azimuth Determining System Richard D. Jurgens 105 SESSION V: OMEGA AND VLF SYSTEMS The International Omega Association: A Global Community Using a Global Resource Max H. Carpenter & Frank C. Sakran, Jr. 113 Omega/VLF Signal Coverage Prediction Jerry A. Ferguson 119 Analysis of Non-Linear Omega Receivers Benjamin Peterson, Keith Gross, & Ellen Shirvell 127 Direct and Indirect Benefits to Navigation From Omega Through Meteorology Pekka J. Kostamo & Vaisala Oy 135 Introduction of GPS With Omega Into the User Community John C. Cotton 137 SESSION VI: INNOVATIONS AND ADVANCES IN INERTIAL NAVIGATION Changing Requirements for Aircraft Inertial Navigation Systems Col. Richard A. Borowski 143 Utilization of Fiber-Optic Gyros in Inertial Measurement Units A. Matthews 147 Providing an Inexpensive Gyro for the Navigation Mass Market Anthony Lawrence 161 A Miniature, Low-Cost IMU Robert Stewart 167 Strapdown Astro-Inertial Navigation (SAIN) Utilizing the Optical Wide-angle Lens Startracker (OWLS) Seymour Levine, Ronald Dennis & Kenton L. Bachman 169 |