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ION Proceedings


ION GPS-97

10th International Technical Meeting of the Satellite Division
of the Institute of Navigation

September 16-19, 1997
Kansas City Convention Center, Kansas City, Missouri

Table of Contents

Plenary Session

Panel Discussion: The Civil and Military Issues Facing GPS and GNSS, Panel Chair & Moderator: Mr. Keith McDonald, Sat Tech Systems, Col. James Armor, Director, GPS Joint Program Office, Dr. Gerhard Beutler, Chairman, International GPS Service, University of Berne, Mr. Charles Boesenberg, President and CEO, Ashtech, Mr. Joseph Canny, Assistant Secretary for Transportation Policy, US DOT, Dr. Wolfgang Lechner, Director, Telematica, Munich, Dr. Scott Pace, RAND Critical Technology Institute ..........3

Session A1: New Product Descriptions

A Personal Dead Reckoning Module, T. Judd, Point Research Corporation ..........47
The RT-Star: Features and Performance of a Low-Cost RTK OEM Sensor, E. Masella, M. Gonthier, M. Dumaine, Canadian Marconi Company ..........53
The NR® - Navigation System Family: Features and Performance of the Fully Integrated Single Frequency, 24 Channel, C/A Code GPS/GLONASS Navigation Systems, G. Heinrichs, S. Goetz, J. Windl, MAN Technologie AG ..........61
The MOST Versatile GPS Engine on the Market, H. Pellerin, Y. Theroux, Canadian Marconi Company ..........69
SiRFstarI/LX Low Power GPS Architecture, G. Turetzky, J. Knight, C. Norman, SiRF Technology ..........75
ASN-22 Combined GPS/GLONASS Receiver Module-Architecture, Technical Characteristics and Performance Analysis, T. Felhauer, T. Tews, Daimler-Benz Aerospace, A. Botchkovski, M. Golubev, M. Vasilyev, DAVIA ..........81
Precise Carrier Phase Measurements From a Low Cost Dual Frequency PPS GPS Receiver, W. Higgins, J. Kelley, Rockwell Avionics & Communications Division ..........89
C-MIGITS II Design and Performance, M.K. Martin, B.C. Detterich, Boeing Guidance, Navigation, and Sensors ..........95
What's New at 3S Navigation, F.E. Weiler, 3S Navigation ..........103
The NavSymm SHARPE/XR6: A Compact High Performance 12 Channel GPS Receiver With Integral Non-Volatile Solid State Recorder (SSR) for Data Storage, Removing the Need for a Logging Computer or Real-Time Data Link, G. Whitworth, Navstar Systems ..........117
Creating Recreational Guides Using GPS: Present and Future, S. Deuty, Motorola, Inc.; D. Talley, Talley Associates; D. Pritchard, Innovation by Design ..........125
GPA and GPS+GLONASS RTK, F. van Diggelen, Ashtech, Inc. ..........139
GPS Phone An Integrated GPS/Cellular Handset, S. Shampain, NAVSYS Corporation ..........145
Precise GPS Position, Navigation and Time with Azimuth/Attitude Determination Capability, S. Deines, K. Ulmer, Rockwell Collins ..........151
Digital Quartz IMU - Navigation Processor (DQI-NP) Design and Performance, M.K. Martin, B.C. Detterich, Boeing Guidance, Navigation, and Sensors ..........161

Session B1: Atmospheric Effects

A Novel Approach to Improving the Accuracy of Real-Time Ionospheric Delay Estimation Using GPS, L-S. Lin, University of New South Wales ..........169
The Use of Ground-Based GPS for Water Vapour Estimation, H.C. Baker, A.H. Dodson, T. Moore, University of Nottingham ..........179
Ionospheric Limitations and Specifications in the Auroral Zone, S. Skone, M.E. Cannon, University of Calgary ..........187
Continuous Monitoring of the Atmosphere Using GPS, F. Darin, J. Johansson, R. Carlsson, G. Elgered, P. Jarlemark, B. Rönnäng, Chalmers University of Technology ..........199
Application of SCORE to Extract Protonospheric Electron Content from GPS/GNSS Observations, G.J. Bishop, Phillips Laboratory; D.S. Coco, C. Coker, The University of Texas at Austin; N. Lunt, L. Kersley, University of Wales; A.J. Mazzella, NorthWest Research Associates ..........207
Influence of the Ionospheric Refraction on the Repeatability of Distances Computed by GPS, R. Warnant, Royal Observatory of Belgium ..........217
Now It Gets Interesting: GPS and the Onset of Solar Cycle 23, J.M. Kunches, NOAA ..........225
The Spatial and Temporal Variations in Ionospheric Range Delay, P.H. Doherty, P.J. Gendron, Boston College; R. Loh, Innovative Solutions International; D.N. Anderson, Phillips Laboratory ..........231
A Regional GPS Experiment for Estimating the Spatial and Temporal Variations of Water Vapor, P. Elosegui, G. Ruffini, Harvard-Smithsonian Center for Astrophysics; A. Rius, J.L. Davis, Institut d'Estudis Espacials de Catalunya; S. Keihm, NASA Jet Propulsion Laboratory ..........241
Ionospheric Correction Using Tomography, A.J. Hansen, T. Walter, P.K. Enge, Stanford University ..........249
 
Session C1: Attitude Determination

Experimants With Two-Satellite Instantaneous Attitude Determination, F. van Graas, Ohio University; K. Dutton, NASA Langley Research Center..........261
Estimating Space Station Alignment for Shuttle Docking, A.J. Treder, Boeing Defense & Space Group..........269
Operational Results of a Closely Coupled Integrated Vehicle Heading System, R. Harvey, M.E. Cannon, University of Calgary..........279
Inertially Aided GPS Based Attitude Heading Reference System (AHRS) for General Aviation Aircraft, R.C. Hayward, D. Gebre-Egziabher, M. Schwall, J.D. Powell, Stanford University; J.M. Wilson, Seagull Technology..........289
GPS Tensor: An Attitude and Orbit Determination System for Space, R. Fuller, D. Hong, S. Hur-Diaz, J. Rodden, M. Tse, Space Systems/LORAL..........299
Optimal Search Space Identification for Instantaneous Integer Cycle Ambiguity Resolution, E. Sutton, Rockwell Collins..........313
Precision Attitude Determination Using a Low Grade GPS-Aided Inertial Measurement Unit, I. Longstaff, A. Brown, NAVSYS Corporation..........323
Stationary Alignment of Strapdown Inertial Navigation System Using GPS Carrier Phase Measurements, J. Kim, J.G. Jee, Seoul National University; G-I. Lee, Konkuk University; C. Park, Chungbuk National University..........329
Analysis of Algorithms for GPS Interferer Direction Finding, S-C. Leung, R. DiEsposti, C. Giron, I. Weiss, The Aerospace Corporation..........339

Session D1: Space and Control Segment

Dynamic Uploading for GPS Accuracy, K. Brown, W. Mathon, A. Dorsey, Lockheed Martin Federal Systems; M. Larezos, GPS JPO..........351
Results of the GPS JPO's GPS Performance Baseline Analysis: The GOSPAR Project, R. Conley, Overlook Systems Technologies..........365
The GPS Accuracy Improvement Initiative, S. Malys, National Imagery & Mapping Agency; M. Larezos, GPS JPO; S. Gottschalk, Air Education & Training Command; S. Mobbs, Air Force Space Command; B. Winn, W. Feess, M. Menn, The Aerospace Corp.; E. Swift, M. Merrigan, Naval Surface Warfare Center DD; W. Mathon, Lockheed Martin Federal Systems..........375
Tricode Hexaphase Modulation for GPS, S.H. Raghavan, J.K. Holmes, S. Lazar, M. Bottjer, The Aerospace Corporation..........385
Global Position, Velocity and Timing Determination Capability Capstone Requirements Document, M. Arnett, K. Walker, U.S. Air Force..........399
Performance Projections of GPS IIF, S. Fisher, K. Ghassemi, Boeing..........407
GPS User Support: An Overview of the Dissemination of GPS Outage Information Worldwide, B.C. Barker, U.S. Air Force 2nd Space Operations Squadron..........417
Orbital Optimization of the GPS Constellation and It's Effect on Accuracy and Availability, C. Kelley, S. Fisher, Boeing..........423

Session A2: GNSS Integrity Options

A Flexible RAIM Algorithm, M. Powe, J. Owen, Defence Evaluation & Research Agency (UK)..........439
Sequential, FSS and Snapshot Approaches to GPS/DGPS Integrity Monitoring, I. Nikiforov, Universite de Technologie de Troyes..........449
Fault Detection, Isolation and Correction in GPS/GLONASS Receivers, D. Kinkulkin, Ashtech, Moscow Development Center..........459
GPS and GLONASS RAIM Availability Analysis Over Europe, G.W. Hein, J. Pielmeier, T. Zink, B. Eissfeller, University FAF Munich; M. Perry, R. Rawlings, Eurocontrol..........465
A Proposed Integrity Equation for WAAS MOPS, T. Walter, P.K. Enge, A. Hansen, Stanford University..........475
LAAS Signal-in-Space Integrity Monitoring Description and Verification Plan, F. Liu, Ohio University; T. Murphy, Boeing Commercial Airplane Group; T. Skidmore, Ohio University..........485
Local Area Integrity Monitoring Utilizing Bayesian Statistical Estimation, C. Stull, Wilcox Electric; A.J. VanDierendonck, AJ Systems; S. Rowson, L. Etnyre, Wilcox Electric..........499
Improvements in GPS Integrity Monitoring for Non-Precision Sole Means of Navigation Using Hybrid GPS-INS, A. Younes, A. Benhallam, ENAC; I. Nikiforov, Universite Technologique de Troyes..........509
Advantages of Autonomous Integrity Monitored Extrapolation for Precision Approach, J. W. Diesel, Litton Aero Products; J. R. Huddle, Litton Guidance & Control Systems..........519

Session B2: Multipath

Multipath Mitigation, Benefits from Using the Signal-to-Noise Ratio, J.M. Sleewaegen, Royal Observatory of Belgium..........531
Multiple Antennas for Advanced GNSS Multipath Mitigation and Multipath Direction Finding, D-J. Moelker, Delft University of Technology..........541
Multipath Corrections for a GPS Receiver, C.R. Cahn, M.M. Chansarkar, SiRF Technology..........551
Enhanced Strobe Correlator Multipath Mitigation for Code & Carrier, L. Garin, J-M. Rousseau, Ashtech, Inc..........559
Adaptive Detection of Code Delay and Multipath in a Simplified GPS Signal Model, L.M. Nelson, National Institute of Standards and Technology; P. Axelrad, D.M. Etter, University of Colorado..........569
Noncoherent Late Minus Early Power Code Tracking Performance With Front End Filtering, J.K. Holmes, The Aerospace Corporation..........583
High Integrity Multipath Mitigation Techniques for Ground Reference Stations, D. Dai, T. Walter, C.J. Comp, Y.J. Tsai, P.Y. Ko, P.K. Enge, J.D. Powell, Stanford University..........593
Comparison of Space Shuttle GPS Flight Data to Geometric Theory of Diffraction Predictions, S.F. Gomez, NASA Johnson Space Center; S. Hwu, Lockheed Martin..........605
Measuring GPS Signals Indoors, B. Peterson, D. Bruckner, S. Heye, U.S. Coast Guard Academy..........615

Session C2: User Equipment Technology

Error Probabilities for Determining Carrier Presence or Absence by FFT Algorithm, X. Fu, O. Arai, T. Hayashi, Furuno Electric Company..........627
Block Adjustment of Synchronizing Signals for Global Positioning System Receiver Signal Reception, J.B.Y. Tsui, M. Stockmaster, Wright Patterson AFB; D. Akos, Ohio University..........637
Reduction of GPS Receiver Noise Using Adaptive Filters, A. Bruton, University of Calgary..........645
Robustness of Tightly Coupled Integrations for Real-Time Centimeter GPS Positioning, J. Sennott, D. Senffner, Tracking and Imaging Systems..........655
GPS Integration Receiver-Programmable (GPS-PRO) Open Architecture Receiver Design and Unique Applications, K.B. Nguyen, NRaD; J.G. Haiges, Galaxy Scientific..........665
Nationwide DGPS, L. Allen, DoT..........675
Beeline RT20 - a Compact, Medium Precision Positioning System with an Attitude, T. Ford, W. Kunysz, R. Morris, J. Neumann, J. Rooney, T. Smit, NovAtel..........687
The Applications of Wavelets to GPS Data Processing, F.W. Xuan, C. Rizos, University of New South Wales..........697

Session D2: Applications in Space

Relative GPS Navigation for an Automated Rendezvous Docking Test Satellite ETS-VII, I. Kawano, M. Mokuno, T. Kasai, National Space Development Agency of Japan..........707
The U.S. Air Force Academy GPS Flight Experiment Using the Navsys TIDGET, G. Belle, A. Matini, A. Brown, NAVSYS; D. Goldstein, R. Humble, D. Parker, C. O'Brien, US Air Force Academy..........717
A Low Cost, High Accuracy Automated GPS-Based Orbit Determination System for Low Earth Satellites, G.W. Davis, Orbital Sciences Corp.; K. Gold, P. Axelrad, G. Born, University of Colorado; T.V. Martin, Van Martin Systems..........723
GPS Sensing for Spacecraft Formation Flying, T. Corazzini, A. Robertson, J.C. Adams, A. Hassibi, J.P. How, Stanford University..........735
Relative Navigation in Highly Elliptical Orbits Using an Iterative Nonlinear Filter, J.L. Garrison, NASA Langley Research Center; P. Axelrad, University of Colorado..........745
Real-Time Autonomous Orbit Determination of LEO Satellites Using GPS, V. Ashkenazi, W. Chen, C.J. Hill, T. Moore, University of Nottingham; D. Fortune, D. Stanton, European Systems Ltd.; N. Shave, Defence Evaluation and Research Agency, Farnborough..........755
GPS Tracking of Space Systems in Transfer Orbit, R.W. Benson, P.H. Kim, A.Y. Lee, J.L. Yang, G.T. Tseng, The Aerospace Corporation; B.T. Scruggs, USAF/SMC..........763

Session A3: Integrated Systems

Analysis and Test Results of AIMS GPS/INS System, R. Da, Ohio State University..........771
Polar Flight Test of CGEM GPS in an Integrated Navigation System on a KC-10, N. Fischer, J. Waid, Battelle; C. Johnson, W. Kwan, Collins Avionics; Ben Hardy, ARINC..........781
Operational Experience with and Improvements to a Tunnel-in-the-Sky Display for Light Aircraft, A.K. Barrows, K.W. Alter, P.K. Enge, B.W. Parkinson, J.D. Powell, Stanford University..........791
Integration of GPS with a Rubidium Clock and a Barometer for Land Vehicle Navigation, Z. Zhang, University of Calgary..........801
A New Coning Attitude Algorithm for a Low Cost INS-GPS Integration, N.G. Mathur, Parker-Hannifin..........807
The Fibre Optic Gyroscope and its Integration with GPS Phase and Other Measurements, S.A. Logan, University of Melbourne..........815
Integrated System for On-land Measurements Using DGPS With Post-Processing, D.A. Macdonald, E.W. Stoll, Boeing Guidance, Navigation & Sensors..........825
Multi-Sensor System for Landmobile Applications Using GPS/GLONASS and Additional Sensors, M. Maurer, J. Windl, MAN Technologie; N. Niklasch, ViCon Engineering; W. Richert, LMU München; H. Auernhammer, TU München-Weihenstephan..........831

Session B3: Surveying and Geodesy 1

Refinements to the World Geodetic System 1984, S. Malys, J.A. Slater, R.W. Smith, L.E. Kunz, S.C. Kenyon, National Imagery and Mapping Agency..........841
GPS/GLONASS Surveying, W. Martin, J. Ladd, Ashtech, Inc..........851
Real-Time Carrier Phase Positioning Using the RTCM Standard Message Types 20/21 and 18/19, J. B. Neumann, K.J. Van Dierendonck, A. Manz, T. Ford, NovAtel, Inc...........857
The Application of LEOs to Cycle Ambiguity Resolution on Navstar Transmissions for Kinematic Carrier-Phase Positioning, M. Rabinowitz, B.W. Parkinson, Stanford University; C. Cohen, Integrinautics Corporation..........867
The International GPS Service: A Global Resource for GPS Applications and Research, R.E. Neilan, J. Zumberge, Jet Propulsion Laboratory; G. Beutler, University of Bern; J. Kouba, Natural Resources, Canada..........883
Ambiguity Dilution of Precision: Definition, Properties and Application, P.J.G. Teunissen, D. Odijk, Delft University of Technology..........891
HIGGINS - A Fast Kinematic Surveying System Based on Satellite, Inertial, and Laser Technology, A. Mathes, E. Groten, Darmstadt University of Technology..........901
Permanent Automatic Low-Cost GPS Deformation Monitoring Systems: Error Mitigation Strategies and System Architecture, C. Rizos, S. Han, C. Roberts, University of New South Wales..........909
Permanent RTK Reference Chain for the Fixed Link Between Denmark and Sweden, Based on RTCM104 Format, P. Norgard, The Road Directorate, Construction Department Denmark..........919
PMoS - A Real Time Precise DGPS Continuous Deformation Monitoring System, A. Lowry, R. MacLeod, SAGEM Australasia Pty Ltd...........923
Using Single Differences for Relative Positioning in GLONASS, A.A. Povaliaev, Ashtech, Moscow..........929

Session C3: Applications at Sea

Precise GPS for Integrated Marine Gravity Acquisition, W. Chen, A.H. Dodson, T. Moore, University of Nottingham; P. Houghton, H. Oehl, Marine Gravity Acquisition Ltd............937
Vehicle Navigation Using GPS Aided By Speed and Heading Infromation: Simulation Results, S. Yoon, J. Lundberg, Auburn University...........945
Precision Hybrid Navigation System for Unmanned Underwater Vehicles (UUV's), B. San Filipo, W. Goetz, Kearfott Guidance & Navigation Corporation...........953
Results of Integrated Navigation in Shipping, R. Fiedler, M. Gluch, A. Libertin, J. Kirchner,University of Rostock...........963
One Meter Positioning on a Ship with PLGR, J.R. Clynch, Naval Postgraduate School...........973
Positioning United States Aids-to-Navigation Around the World, J. W. Spalding, U.S. Coast Guard R&D Center; F. van Diggelen, Ashtech...........981
GLONASS for Offshore Applications, O. Orpen, P. Hinsch, Fugro Starfix (Europe)...........989
Dual Tone Signaling to Mitigate Self-Skywave Interference to DGPS Broadcasts from Radiobeacons, P.K. Enge, Stanford University; D. Young, B. Butler, Trimble Navigation...........995

Session D3: Applications in the Air

The Suitability of GPS for Area Navigation, P.B. Ober, D-J. Moelker, E. Theunissen, R. Meijer, D. van Willigen, Delft University of Technology; R. Rawlings, M. Perry, EUROCONTROL...........1007
Airborne GPS/INS Capability for the Australian Defence Force: The FMS-800 Integrated with the LTN-92, G. P. Barnes, J. Little, Rockwell Collins...........1019
Commercial Aviation Navigation Systems Analysis Toolset, I. Longstaff, G. Zhang, A. Brown, NAVSYS Corporation...........1029
DGPS Kinematic Carrier Phase Signal Simulation Analysis in the Velocity Domain, S. Ryan, M. Szarmes, G. Lachapelle, M.E. Cannon, University of Calgary...........1035
Airborne Testing of GPS/GLONASS Positioning Sensor Against a Proven Flight Test Truth Source, J. Murphy, W. Cottrell, Ashtech, Inc............1047
CDGPS RAIM: Algorithm and Protection Radius Calculation, J.F. Hunzinger, S.D. Morgera, McGill University; J. Studenny, Canadian Marconi Company...........1055
System Identification of an Autonomous Aircraft Using GPS, J. Evans, G. Elkaim, S. Lo, B.W. Parkinson, Stanford University...........1065

Session A4: Timing Applications

Atomic Frequency Standards Technology Roadmap for the Future GPS Satellites, D. Martoccia, GPS JPO; R. Beard, US Naval Research Lab; A. Wu, The Aerospace Corporation...........1075
A New Approach to International Satellite Time and Frequency Comparisons: All-in-View' Multichannel GPS and GLONASS Observations, W. Lewandowski, J. Azoubib, Bureau International des Poids et Mesures; G. de Jong, NMi; J. Nawrocki, Astrogeodynamical Observatory; J. Danaher, 3S Navigation..........1085
GPS Time Differentials at Widely Separated Sites, J.A. Kusters, R.P. Giffard, Hewlett-Packard; D.W. Allan, Allan's Time...........1093
Ionosphere Effects at the Nanosecond Level Observed in Common-View Time Transfer, R.P. Giffard, Hewlett-Packard Labs...........1099
Apparent Correlation of the Global Positioning System Y-Bias to the Divergence Between Timescales, S. Deines, Rockwell Avionics and Communications...........1107
Development of Local Ionospheric Time Delay Model for Single-Frequency DGPS Users, C. Kee, D. Yun, Seoul National University...........1113
WAAS Network Time Performance and Validation Results, S. Peck, C. Griffith, V. Reinhardt, Hughes Electronics; J. Tekawy, Boeing North American, Inc.; W. Bertiger, B. Haines, JPL; G. Winkler, Innovative Solutions International...........1123

Session B4: Surveying and Geodesy 2

Pseudo Randomized Search Strategy Algorithm in Resolving the Ambiguity Resolution, A. Hassan, D. Mezera, University of Wisconsin-Madison...........1135
Autocorrelation Functions in GPS Data Processing: Modeling Aspects, K. Borre, Aalborg University; G. Strang, MIT...........1143
The Development of the EUREF Permanent GPS Network: Current Status and Future Plans, C. Bruyninx, Royal Observatory of Belgium...........1151
Height Reference Frame for the Study of the Sea Level Changes by GPS Observations, J. B. Zielinski, A. Swiatek, R. Zdunek, Polish Academy of Sciences...........1159
Monitoring the Movement of Bridges by GPS, V. Ashkenazi, A.H. Dodson, T. Moore, G.W. Roberts, University of Nottingham...........1165
GPS Kinematic Positioning in AGMASCO Campaigns - Strategic Goals and Numerical Results, G. Xu, P. Schwintzer, L. Timmen, GeoForschungsZentrum Potsdam; L. Bastos, University of Porto...........1173
A Truth System for Evaluating A Relative Solution Between Two Moving Platforms, G. Johnson, Raytheon Aircraft...........1185
Centimetric GPS Navigation to the North Pole, T. Moore, G.W. Roberts, University of Nottingham...........1189
Estimating the Residual Tropospheric Delay For Airborne Differential GPS Positioning, J.P. Collins, R.B. Langley, University of New Brunswick...........1197
Modelling of Land Subsidence Induced by Ground Water Withdrawl Using GPS, A. Sharif, K. Omar, M. Kadir, Universiti Teknologi Malaysia...........1207

Session C4: GNSS, GPS, and GLONASS Policy Issues

PROPNASS German/Russian Concept for a European NavSat System, A. I. Skoog, Daimler-Benz Aerospace; Y.V. Medvedkov, Russian Space Agency; S.G. Revnivykh, GEO-ZUP...........1219
Lm and Lc: How the Military and Civilian Users of GPS Can Reuse Our Existing Spectrum, J. Anderson, GPS JPO; S. Lazar, The Aerospace Corporation...........1229
The DoD: Stewards of a Global Information Resource, The NAVSTAR Global Positioning System (GPS), M. Shaw, DoD; J. Martel, Overlook Systems Technology; P. Levin, Boston University...........1237
Ensuring GNSS Services for Developing Countries: The Malaysian Case, M. Subari, K. Omar, Universiti Teknologi Malaysia; M. Othman, BAKSA...........1245
GPS in Ten Years, K. Kovach, ARINC; K. Van Dyke, DOT/Volpe Center...........1251
European Constellation Contribution to GNSS, P.A. Pablos, GMV S.A.-ESTEC., The Netherlands; J.R. Martín, GMV S.A., Spain...........1261
Optimal Augmentation of GPS Using Inexpensive Geosynchronous Navigation Satellites, S. Pullen, B.W. Parkinson, Stanford University...........1271

Session D4: Wide Area Augmentation Systems

Performance of the Inmarsat-3 Navigation Augmentation Payloads, G.V. Kinal, O. Razumovsky, Inmarsat, London...........1285
MRD and WAD Concepts Preliminary Assessment, J.R. Martin, P. Pablos, M. Romay, J. Cosmen, GMV, S.A. (Spain); R.W. Okkes, Consultant...........1295
Carrier Phase Based Regional Area Differential GPS for Decimeter-Level Positioning and Navigation, Y. Gao, Z. Li, J.F. McLellan, Position Inc...........1305
Improving WAAS Integrity and Availability: UDRE and GIVE Time Updates, C. Comp, R. Gazit, T. Walter, P.K. Enge, Stanford University...........1315
Extending the Concept of Depth of Coverage for the Analysis of the Distribution of Integrity Stations on Wide Area Augmentation Systems, A. Garcia, Grupo Mecanica de Vuelo; C. Garriga, P. Michel, J. Ventura-Traveset, European Space Agency...........1325
Capabilities, Performance and Test Results for a WAAS Verification Receiver, L. Burns, Rockwell Collins; F. Ventrone, NAWC-AD...........1335
Assessment of EGNOS System and Performance: Early Test System, J. Nieto, M.A. Molina, M.M. Romay, J. Cosmen, GMV SA; M.L. de Mateo, R. Román, L. Andrada, AENA...........1345

Session A5: Applications on Land

Use, Quality, and Availability of GPS Data Recorded in the GLOBE Pre-College Science-Education Program, W. Smith, Georgia Tech...........1357
Incorporating Standard GPS and Scaling the Precision in Tracking Railroad Assets, C.M. Johnson, G. Birch, Lockheed Martin Federal Systems...........1363
The Global Positioning Systems and Its Emerging Role in Injury Prevention, D. Schlager, Kaiser Permanente Medical Center...........1369
GPS-Based Mobile Information Service Over Mobitex Networks, G. She, RAM Mobile Data...........1375
Research of Displacement and Frequency of Tall Building Under Wind Load Using GPS, J. Guo, S. Ge, Tsinghua University...........1385
Highly Precise Height Measurement System Using GPS and Laser Level, H. Noguchi, Japan Ministry of Transport; B. Shigematsu, Penta-Ocean Construction Co............1389
Pseudolite Augmented DGPS for Land Applications, T. Holden, T. Morley, Stanford Telecom...........1397
Cellular Telephone Positioning Using GPS Time Synchronization, R. Klukas, University of Calgary...........1405
System Identification and Robust Control of a Farm Vehicle using CDGPS, G. Elkaim, M. O'Connor, T. Bell, B.W. Parkinson, Stanford University...........1415

Session B5: Interference

GPS and GLONASS Radio Interference in Germany, F. Butsch, University of Stuttgart...........1427
Pre-processing of GNSS Signals Subject to Interference, J. Cooper, P. Daly, University of Leeds...........1437
Airborne GPS RFI Localization Algorithms, E.M. Geyer, Raytheon; B.M. Winer, DoT Volpe Center; R. Frazier, FAA...........1447
New Interference Rejection Technology from Leica, J.E. Maenpa, M. Balodis, G. Walter, J. Sandholzer, Leica GPS...........1457
Analysis of Interfered GPS Signals, J. Sang, K. Kubik, Queensland University of Technology...........1467
Using a GPS Receiver Monte Carlo Simulator to Predict RF Interference Performance, P.W. Ward, Navward GPS Consulting...........1473
Ranging Accuracy Considerations in GPS Interference Suppression, M.S. Braasch, C.A. Snyder, Ohio University; R. Olin, Electro-Radiation...........1483
Techniques for Improving Antijamming Performance of Civil GPS/GLONASS Receivers, S.V. Lyusin, I.G. Khazanov, Ashtech, Inc., Moscow...........1489
GPS RF Interference via a TV Video Signal, T. Buck, G. Sellick, Honeywell...........1497

Session C5: GPS and GLONASS Performance

Analysis of the Accuracy Characteristic Analysis of the GLONASS System With High Probability Levels, A.J. Kozlov, V. Kosenko, Y. Voloshko, V. Ermolenko, V. Kazantsev, D. Marareskul, NPO PM...........1505
Augmentation of GPS/GLONASS for Vehicular Navigation Under Signal Masking, G. Lachapelle, S. Ryan, M. Petovello, J. Stephen, University of Calgary...........1511
NAGUs: An Analysis of GLONASS Availability Statistics, D. Holmes, M. Trethewey, Signal Computing...........1521
On the Impact of RF Front-end Group Delay Variations on GLONASS Pseudorange Accuracy, T. Felhauer, Daimler-Benz Aerospace...........1527
Advances in GPS/GLONASS Combined Solutions, G.W. Hein, U. Rossbach, B. Eissfeller, University FAF Munich...........1533
Comparison of GPS and GPS/GLONASS Positioning Performance, T. Hall, B. Burke, M. Pratt, P. Misra, MIT Lincoln Laboratory...........1543
Recommendations on Differential GNSS, J. W. Spalding, U.S. Coast Guard R&D Center; J. Beser, 3S Navigation; F. van Diggelen, Ashtech...........1551
Instant RTK cm with Low Cost GPS and GLONASS C/A Receivers, D. Kozlov, M. Tkachenko, Ashtech, Moscow...........1559
GPS/GLONASS Antenna, S.Y. Peng, Advanced Antenna Technology, Inc. and Allis Communications Company...........1571

 Session D5: Local Area Augmentation Systems 1

Specifics of the LAAS Context Model [G(x)], B. DeCleene, Federal Aviation Administration; T. Murphy, Boeing Commercial Airplane Group; T. Skidmore, Ohio University...........1583
Analysis and Testing of GNSS Landing System Navigation Sensor Error Requirements, G.A. McGraw, J.A. Finley, Rockwell Avionics & Communications...........1593
Proposed Airport Pseudolite Signal Specification for GPS Precision Approach Local Area Augmentation Systems, A.J. Van Dierendonck, AJ Systems; P. Fenton, NovAtel; C. Hegarty, The MITRE Corporation...........1603
Flight Test Evaluation of a Prototype Local Area Augmentation System Architecture, B. Pervan, D. Lawrence, K. Gromov, G. Opshaug, J. Christie, P-Y. Ko, A. Mitelman, S. Pullen, P.K. Enge, B.W. Parkinson, Stanford University...........1613
Ohio University/FAA Flight Test Demonstration Results of the Local Area Augmentation System (LAAS), F. van Graas, D.W. Diggle, M. Uijt de Haag, T.A. Skidmore, M.F. DiBenedetto, Ohio University; V. Wullschleger, R. Velez, FAA Technical Center...........1623
Design and Evaluation of a Combined GPS/GLONASS LAAS Trial, D. Walsh, D. Lowe, S. Capaccio, P. Daly, University of Leeds; G. Richards, A. Wolfe, G. Ingle, UK Defence Evaluation Research Agency; J. Lawson, UK National Air Traffic Services...........1631
GPS and DGPS for Helicopter Approaches to Off-shore Platforms in the North Sea, D.A. Howson, CAA; R. Johannessen, Lambourne Navigation; J.R.A. Stevens, Cranfield University...........1641
A Development of an Aircraft Landing System Using GPS Pseudolites at Inchon International Airport, Y.J. Lee, E-S. Lee, J-U. Jeong, Y-D. Won, W-H. Cho, Konkuk University; H-H. Kwak, Hyosung Information and Communication Co.; B-J. Oh, Ki Ryung Electronics Co............1651

Session A6: Military Applications

PAGE-ing via GPS: A New Method of Utilizing GPS for Mission Data Transfer, J. Kelly, K. Babylon, V. Le, Rockwell ACD...........1663
Integration of GPS into the B-2 Stealth Bomber, A. Abbott, T. Hagstrom, Northrop Grumman; M. Miller, D. Atkinson, USAF Aeronautical Systems Center...........1669
Validating the Validating Tool: Defining and Measuring GPS Simulator Specifications, A. Tetewsky, A. Soltz, D. Fuhry, G. Barton, D. Eyring, B. Goossens, M. Dodds, L. Fava, Draper Laboratory...........1681
Differential GPS: An Enabling Technology for Domestic and International Program Test and Evaluation Applications, D. Hill, Wright Laboratory; K. Wallace, Veda; B. Negast, Metric Systems...........1697
The New Translated GPS Range System, L.L. Wells, Interstate Electronics ...........1705
Using Flight Control Gyros for Missile Navigation, M-I.J. Chang, TLM...........1711
Use of GPS Receivers On Board Shells in Autonomous and Translator Modes of Operation, G. Whitworth, Navstar Systems...........1717

Session B6: Kinematic Positioning and Ambiguity Resolution

Carrier Phase Ambiguity Resolution in GNSS-2, B. Forssell, Norwegian University of Science & Technology; R.A. Harris, M. Martin-Neira, European Space Agency..........1727
Single-Epoch Integer Ambiguity Resolution with GPS L1-L2 Carrier Phase Measurements, M. Pratt, B. Burke, P. Misra, MIT Lincoln Laboratory..........1737
Long-Distance Kinematic Carrier-Phase Ambiguity Resolution Using a Simulated Reference Receiver Network, J. Raquet, G. Lachapelle, University of Calgary..........1747
General Purpose Kinematic/Static GPS/GLONASS Postprocessing Engine, L. Rapoport, Ashtech, Moscow..........1757
Fast Narrowlane Ambiguity Resolution: Method and Results, Z. Li, Y. Gao, J. Schleppe, Position Inc...........1767
Dassault Sercel NP's KART Technique Extended to Dual-frequency Reception: New Applications Are Made Possible, R. Gounon, J-P. Barboux, Dassault Sercel Navigation Positioning..........1773
Flexible GPS Software Approach for Post-Mission Position and Attitude Determination for Airborne Applications, D. Cosandier, H. Martell, Waypoint Consulting; D. Belton, Navstar Systems; J. Mertz, Eglin Air Force Base; S. Platz, Kohlman Systems Research..........1781
An Instantaneous Ambiguity Resolution Technique for Medium-Range GPS Kinematic Positioning, S. Han, C. Rizos, University of New South Wales..........1789
Practical Evaluation of Performances of MAPAS for Application to Precision Landing, C. Macabiau, A. Benhallam, LTST, ENAC..........1801

Session C6: Local Area Augmentation Systems 2

Honeywell/USAF Cooperative Research and Development Agreement (CRDA) Have Approach Demonstration Hanscom AFB, R. Hartman, Honeywell; D. Johnson, USAF.........1813
FAA Flight Test results of Pseudolites with the LAAS Test Prototype (LTP), J. Warburton, V. Wullschleger, R. Velez, Hughes Technical Center.........1831
Airport Pseudolite for Precision Approach Applications, C. Bartone, Naval Air Warfare Center; F. van Graas, Ohio University.........1841
Practical Investigations on DGPS for Aircraft Precision Approaches Augmented by Pseudolite Carrier Phase Tracking, G.W. Hein, B. Eissfeller, W. Werner, B. Ott, University FAF Munich; B.D. Elrod, K. Baltrop, J. Stafford, Stanford Telecommunications.........1851
Real-Time Kinematic Differential GPS Positioning for Flight Inspection, I. Banyasz, P. Herr, LRI Air Traffic and Airport Administration, Hungary; C. Feit, Sierra Technologies.........1861
Using Multiple Reference Stations to Enhance LAAS Performance: Experimental Results, C.A. Shively, H. Nguyen, The MITRE Corporation CAASD.........1869
Precise Aircraft Positioning by Fast Ambiguity Resolution Using Improved Troposphere Modeling, F.J.G. Boon, Delft University of Technology; P.J. de Jonge, C.C.J.M. Tiberius, Delft Geodetic Computing Centre.........1877
Flight Test Results of the LAAS Navigation Augmentation Broadcast System, T.A. Skidmore, M. Uijt de Haag, F. van Graas, Ohio University.........1885
 
Session D6: GPS-GLONASS Interoperability Working Group

A Report on the Second Meeting of the GLONASS/GPS Interoperability Working Group, J. Slater, National Imagery & Mapping Agency; P. Misra, MIT.........1893