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ION Proceedings


1990 National Technical Meeting Proceedings

January 23-25, 1990
San Diego, California

TABLE OF CONTENTS

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