1. Engineering the Ideal Medium Frequency Datalink for N/DGPS Application: C. Treib, D. Wolfe, M. Parsons, USCG, C2CEN; M. McKaughan, USCG, USCG Academy
2. Evaluation of Commercial Carrier-Phase-Based WADGPS Services for Marine Applications: S. Bisnath, D. Wells, D. Dodd, The University of Southern Mississippi
3. Experimental Verification of Internet-Based Global Differential GPS: M.O. Kechine, C.C.J.M. Tiberius, H. van der Marel, Delft University of Technology, The Netherlands
4. Analysis of Maritime DGPS Positioning Accuracy at Sea: L.S. Monteiro, Portuguese Hydrographic Office and The University of Nottingham; P.R. Marreiros, Portuguese Hydrographic Office
5. Engineering the USCG Differential System for Sub-meter Performance: A. Cleveland, M.W. Parsons, F. Blyden, D. Wolfe, USCG Command & Control Engineering Center
6. Development of an Operational RTK GPS-Equipped Buoy for Water Level Recovery: S. Bisnath, D. Wells, S. Howden, D. Dodd, D. Wiesenburg, The University of Southern Mississippi; G. Stone, Louisiana State University
7. Application of Heading Determination Systems for Modern Harbor Piloting: "The Advantage of Portable Systems": D. English, G. Gillow, ARINC Engineering Services; T. Jacobsen, Jacobsen Pilot Services
8. Development and Experimental Results of the GPS Wave Direction Finding System: H. Fujii, Oshima National College of Maritime technology, Japan; N. Kouguchi, H. Ishida, Maritime University of Kobe, Japan; I. Deguchi, Osaka University, Japan

Alternates
1. Fault Detection and Isolation Using Satellite Geometry in RAIM: J. Chey, J.G. Lee, Seoul National University, South Korea; G.I. Jee, Konkuk University, South Korea
2. Soft DGPS Reference Station for User´s Position Monitoring Systems with Higher Precision: S. Zhang, Q. Hu, Z. Wu, Dalian Maritime University, P.R. China

1. Design and Practical Implementation of Multi-Frequency RF Front-Ends Using Direct RF Sampling: M.L. Psiaki, S.P. Powell, H. Jung, P.M. Kintner, Jr., Cornell University
2. Performance Assessment of an Under-Sampling SWC Receiver for Simulated High-Bandwidth GPS/Galileo Signals and Real Signals: T. Pany, M. Irsigler, B. Eissfeller, Institute of Geodesy and Navigation, University FAF Munich, Germany; K. Furlinger, Institute for Computer Science, Technical University of Munich, Germany
3. A Prototyping Platform for Multifrequency GNSS Receivers: D. Akos, Stanford University; J. Thor, Lulea University, Sweden
4. RTK Receiver Design with the New L2 Civil Signal, Performance and Improvements with Respect to (Semi-) Codeless Techniques: D. Sanroma, T. Pany, B. Eissfeller, Institute of Geodesy and Navigation, University FAF Munich, Germany; G. Heinrichs, IfEN GmbH, Germany
5. Assessment of L5 Receiver Performance in Presence of Interference Using a Realistic Receiver Simulator: F. Bastide, ENAC/STNA, France; C. Macabiau, ENAC, France; D.M. Akos, Stanford University; B. Roturier, STNA, France
6. GPS L5 Receiver Implementation Issues: C. Macabiau, ENAC, France; L. Ries, J.L. Issler, CNES, France; F. Bastide, ENAC/T‚SA, France
7. Acquisition Algorithms for the GPS L5 Signal: C. Hegarty, M. Tran, The MITRE Corporation; A.J. Van Dierendonck, AJ Systems
8. A Maximum Likelihood Approach to GNSS Synchronization Using Antenna Arrays: C. Fernandez-Prades, J.A. Fernandez-Rubio, Universitat Politecnica de Catalunya, Spain; G. Seco, European Space Agency ESA/ESTEC, The Netherlands

Alternates
1. Open Source GPS Software for Off-the-Shelf Receiver Hardware: A. Greenberg, Portland State University
2. BOC(x,y) Signal Acquisition Techniques and Performances: N. Martin, G. Guillotel, V. Leblond, Thales Avionics, France
3. Next Generation GPS Receivers for Telematic Applications: K. Conklin, S. Weisenburger, G. Frousiakis, RF Micro Devices

1. Satellite Visibility in Simulating Urban Satellite Positioning-Based Road User Charging (SPRUC): D. Vrhovski, The University of Nottingham, UK
2. Evaluation of Positioning Service Level for Intelligent Transportation Systems in Urban Area Using a Simulation Tool: Y. Suh, Y. Konish, T. Hakamata, R. Shibasaki, University of Tokyo, Japan
3. A Precise GPS Sensor Subsystem for Vehicle Platoon Control: M.E. Cannon, C. Basnayake, S. Syed, The University of Calgary, Canada
4. The RUNE Project: Design and Demonstration of a GPS/EGNOS-Based Railway User Navigation Equipment: A. Genghi, L. Marradi, L. Martinelli, G. Palese, L. Campa, Laben, Italy; G. Labbiento, J. Cianci, VIARail, Canada; G. Venturi, Ansaldo, Italy; G. Gennaro, N. Perfetti, Intecs, Italy; M. Tossaint, ESA/ESTEC, The Netherlands
5. A Remote Bridge Health Monitoring System Using Computational Simulation and Single Frequency GPS Data: G.W. Roberts, E. Cosser, X. Meng, A.H. Dodson, IESSG, The University of Nottingham, UK; A. Morris, M. Meo, Cranfield University, UK
6. Improving Field Survey Productivity Maintaining the Positioning Accuracy: T. Cunha, P. Tome, GEONAV, Integrated Solutions in Geodesy and Navigation, Ltd., Portugal; S. Cunha, University of Porto, Portugal; L. Bastos, GEONAV, Integrated Solutions in Geodesy and Navigation, Ltd., Portugal/University of Porto, Portugal
7. Field Test Results with a High Speed Rail Prototype GPS Locomotive Location System: K.T. Mueller, D. Dow, J. Brawner, R. Bortins, Seagull Technology, Inc.; S. Alban, Stanford University; F. Meek, Union Pacific Railroad
8. The Utilization of Single Point Positioning and Multi-Layers Feed-Forward Nets for INS/GPS Integration: K.W. Chiang, The University of Calgary, Canada

Alternates
1. Satellite Geometry and Its Implications for Structural Deformation Monitorin: X. Meng, C. Noakes, A. Dodson, G. Roberts, IESSG, The University of Nottingham, UK
2. One Dimensional Integrated GPS-Odometer Navigation with Applications to Rail Track Analysis: H.J. Rome, Rome Navigation Innovations, Inc.
3. Location Based Encryption and Its Role In Digital Cinema Distribution: L. Scott, GeoCodex LLC, LS Consulting; D.E. Denning, GeoCodex LLC, Naval Postgraduate School

1. Statistical Analysis of GPS Ionospheric Scintillation and Short-Time TEC Variations Over Northern Europe: F.S. Rodrigues, M. Aquino, T. Moore, A. Dodson, S. Waugh, IESSG, The University of Nottingham, UK
2. Analysis of the Effects of Ionospheric Scintillation on the MTSAT Satellite-Based Augmentation System (MSAS): M.B. El-Arini, R.S. Conker, S. Ericson, K. Bean, F. Niles, The MITRE Corporation; K. Matsunaga, K. Hoshinoo, ENRI, Japan
3. Ionospheric Scintillation Monitoring Using Dual Frequency Software GPS Receiver: S. Ganguly, A. Jovancevic, A. Brown, M. Kirchner, S. Zigic, Center for Remote Sensing, Inc.
4. Ionospheric Scintillation Effects on Single and Dual Frequency GPS Positioning: S. Datta-Barua, P.H. Doherty, S.H. Delay, Boston College; T. Dehel, Federal Aviation Administration, National Satellite Test-Bed; J.A. Klobuchar, Innovative Solutions International
5. High Spatial Variation Tropospheric Model for GPS-Data Simulation: A. Farah, T. Moore, C.J. Hill, The University of Nottingham, UK
6. Tropospheric Zenith Wet and Hydrostatic Delay Models for the ESA Galileo Testbed: Models Based on Meteorological Measurements and a Blind Model: A. Posfay, Institute of Geodesy and Navigation, University FAF Munich, Germany
7. Assessment and Enhancement of Tropospheric Propagation Delay Models at Very Low Elevation Angles: J. Guo, R.B. Langley, Geodetic Research Laboratory, University of New Brunswick, Canada
8. Use of Numerical Weather Prediction Fields for the Improvement of Tropospheric Corrections in Global Positioning Applications: A. Jupp, S. Healy, Met Office, UK; M. Powe, J. Owen, Defence Science and Technology Laboratory, UK

Alternate
1. Tropospheric Model Error Reduction in a Pseudolite-Based Positioning System: T. Bouska, J. Raquet, Air Force Institute of Technology

1. GPS Today: Current Operations from a 2nd Space Operations Squadron Perspective: S. Henderson, A.G. Werschky, 2 SOPS
2. Assessment of the Proposed GPS 27-Satellite Constellation: P. Massatt, M. Dickerson, The Aerospace Corporation; M. Perz, GPS Joint Program Office; C. McFarland, 2nd Space Operations Squadron; R. Conley, Overlook Systems Technologies, Inc.
3. Analyses Supporting the Development of the Precise Positioning Service (PPS) Performance Standard (PS): K. Kovach, N.N. Faustino, ARINC; P. Harrington, R. Buckner, U.S. Air Force
4. Lessons in Navigation for Middle School Students: P. Axelrad, M. Schaefer, M. Lippis, J. Sullivan, University of Colorado at Boulder
5. The Canada-Wide Differential GPS Service: Initial Performance: H. Rho, R.B. Langley, University of New Brunswick, Canada; A. Kassam, British Columbia Ministry of Sustainable Resource Management, Canada
6. Enhanced Space Based Quasi-Zenith Augmentation System: I. Petrovski, M. Ishii, H. Torimoto, GNSS Technologies Inc.; T. Tanaka, Space IT Project Center, Hitachi Ltd.; T. Furukawa, Mitsubishi Electric Corporation; H. Kishimoto, Advanced Space Business Corporation
7. Considerations on Spectral Measurements of GNSS Satellite Signals: J.L. Issler, L. Ries, L. Lestarquit, CNES, France; O. Nouvel, M3SYSTEMS, France
8. GNSS Spectrum and Interoperability Perspectives After the World Radio Conference: J. Godet, L. Ruiz, Galileo Interim Support Structure, Belgium

Alternate
1. Multi-Mission Constellation Monitoring and Control: J.S.Noguero, M.A.Molina, A. Mu¤oz, GMV S.A., Spain

1. Light Detection and Ranging-Based Terrain Navigation - A Concept Exploration: J. Campbell, M. Uijt de Haag, F. van Graas, Ohio University Avionics Engineering Center; S. Young, NASA Langley Research Center
2. Integrated GPS/Loran Navigation Sensor For Aviation Applications: J.H. Doty, P.Y. Hwang, Rockwell Collins, Inc.; G.L. Roth, Locus, Inc.; M.J. Narins, Federal Aviation Administration
3. Quaternion-Based Attitude Estimation Using Multiple GPS Antennas, MEMS IMU and Magnetometers: W. Jun, G. Jee, Konkuk University, South Korea; J. Hong, Micro Infinity, South Korea
4. Towards a Low-Cost, High Output Rate, Real-Time Multisensor GPS Rowing Coaching and Training System: K. Zhang, R. Grenfell, R. Deakin, Y. Li, J. Zhang, RMIT University, Australia
5. Improving INS/GPS Positioning Accuracy During GPS Outages Using Fuzzy Logic: M.M. Reda Taha, Stantec Consulting Ltd., Canada; A. Noureldin, Royal Military College of Canada; N. El-Sheimy, The University of Calgary, Canada (All: Multi-sensor Research Group, The University of Calgary, Canada)
6. Injected Alignment for an INS System from Trackmodel Data in a Race Car Environment: T. Ford, J. Hamilton, M. Bobye, Novatel Inc., Canada
7. Performance of Integrated Electro-Optical Navigation Systems: T. Hoshizaki, D. Andrisani, A. Braun, A. Mulyana, J. Bethel, Purdue University
8. Accuracy of ARPA Calculations as a Part of Integrated Bridge System: B.C. Belev, Naval Academy-Varna, Bulgaria

Alternates
1. Field Test Results of MEMS IMU and Two-Antenna GPS Integration Navigation System for Land Vehicles: X. He, Hohai University, P.R. China; Y. Chen, W. Chen, The Hong Kong Polytechnic University

2. Embedded GPS and Inertial Navigation System Test Equipment: J.A. Wright, B.D. Griffin, L.D. Smith, E. Thompson, D. Stutz, D. Syse, 746th Test Squadron, USAF

1. Bit Synchronization and Doppler Frequency Removal at Very Low Carrier to Noise Ratio Using a Combination of the Viterbi Algorithm with an Extended Kalman Filter: N.I. Ziedan, J.L. Garrison, Purdue University
2. Tracking of GPS Code Phase and Carrier Frequency in the Frequency Domain: C. Yang, Sigtem Technology, Inc.
3. Optimal GPS Tracking in Case of Line-of-Sight Loss: K. Kaindl, N. Niklasch, ViCon GmbH, Germany
4. Assessment and Handling of C/A Code Self-Interference During Weak Signal Acquisition: Y.T.J. Morton, Q. Zhou, Miami University, OH; J. Tsui, D. Lin, AFRL, Wright Patterson Air Force Base; J. Schamus, Veridian Engineering
5. Solutions to the Cross-Correlation and Oscillator Stability Problems for Indoor C/A Code GPS: P.G. Mattos, STMicroelectronics, UK
6. Frequency Stds: Key Enabler to Optimizing Indoor GPS Performance: L. Vittorini, B. Robinson, Rakon Ltd, New Zealand
7. Performance Tests of a 12-Channel Real-Time GPS Software Receiver: B.M. Ledvina, M.L. Psiaki, S.P. Powell, A.P. Cerruti, P.M. Kintner, Jr., Cornell University
8. An Analytic Way to Optimize the Detector of a Post-Correlation FFT Acquisition Algorithm: H. Mathis, University of Applied Sciences Rapperswil, Switzerland; P. Flammant, A. Thiel, u-blox, Switzerland

Alternates
1. A Low Power GPS Chip Set with Scalable Performance and Open Software Architecture for Modern Location Aware Systems: M. Cavadini, J. Brenner, F. Piazza, P. Young, NemeriX
2. Overcoming the Limitations of the Phase Multipath Mitigation Window: D. B‚taille, LCPC/UCL, UK; J. Maenpa, H.J. Euler, Leica Geosystems, P. Cross, UCL, UK

1. Multi Function GPS Sensor for Vehicle Monitoring (JRN-30 Mobile Locator): A. Takai, Y. Nishiwaki, K. Hatanaka, H. Ishiguro, Y. Hieda, Japan Radio Co., Ltd., Japan
2. Case Study of Intermodal Center Ground Traffic Control and Visualization by Using GPS and WLAN: J.H. Jo, B. Kim, S.G. Fu, J. Lin, J.E. Cochran, Jr., Auburn University
3. Integration of a SBAS-Based Positioning Architecture into a Satellite Digital Radio Broadcasting (S-DB) LBS Platform: J. Michelon, France
4. A Framework for the Regional Disaster Reduction Planning Support System Using the GPS and Mobile Phone System: K. Ishibashi, K. Sono, M. Fujioka, I. Tsukagoshi, H. Kaji, Keio University, Japan; S. Anai, Zenrin Corp.
5. The New RTCM SC-104 Standard for Differential and RTK GNSS Broadcasts: R.M. Kalafus, Trimble Navigation; K. Van Dierendonck, Novatel, Canada
6. The Use of Ground-Based Laser Scanners, GPS and Digital Cameras to Rapidly Create 3D Virtual Models: X. Xu, C. Aiken, Center for Lithospheric Studies, University of Texas at Dallas; B. Neubert, RealEarthModels LLC
7. A Comparative Evaluation of Various RTK Systems´ Performance Under Operational Conditions: K. Radzevicieute, Gjovik University College; N. Kjorsvik, O. Ovstedal, J.G.G. Svendsen, Agricultural University of Norway, Norway
8. Implementing a GPS Field Solution to a National Survey Team: N. Dewfield, P. Cruddace, I. Wilson, P. Sadlowski, M. Greaves, Ordnance Survey GB, UK

Alternates
1. The Use of GPS and Total Station System for Land Use Data Capture and Updating: L.S. Lin, I.J. Chen, K.H. Lam, L.Y. Lin, National Chengchi University, Taiwan
2. Integration of MEMS Accelerometer, 3D Magnetometer and GPS Using an Adaptive Network-Based Fuzzy Inference System (ANFIS) for Land Vehicle Applications: J.H. Wang, Y. Gao, The University of Calgary, Canada

1. A Search-Free Approach to Ambiguity Resolution: J.G.G. Svendsen, Agricultural University of Norway
2. GPS Integer Ambiguity Resolution Based on Eigen-Decomposition: J.C. Juang, National Cheng Kung University, Taiwan
3. A New Approach to GPS Carrier Phase Ambiguity Resolution Using Single Epoch Dual Frequency Data: H. Sun, Wuhan University, P.R. China
4. TCAR and MCAR Options with Galileo and GPS: W. Werner, IfEN GmbH, Germany
5. A Simple RAIM and Fault Isolation Scheme: R. Hatch, T. Sharpe, Y. Yang, NavCom Technology, Inc.
6. Dynamical Models for Carrier-Phase Kinematic GPS Positioning: C. Uratani, K. Sone, Y. Mutoh, S. Maruo, S. Sugimoto, Ritsumeikan University, Japan
7. A Bias Separation Algorithm for Double Differenced GPS Data Processing: J. Huang, Wuhan University, P.R. China
8. High-Performance Multipath Mitigation Using the Synergy of Composite GPS Signals: L. Weill, California State University, Fullerton

Alternates
1. Going for the Optimum: Penalized Nonlinear Maximum Likelihood Proved to Return Optimized Multipath Signal Decomposition Parameters: K. Kaindl, ViCon GmbH, Germany; S. Pilz, Ludwig Maximilians University, Germany
2. Residual Error Analysis in Carrier Phase-Based Precise Point Positioning: K. Chen, Y. Gao, The University of Calgary, Canada

1. CNS/ATM for Tactical Military Aircraft: S. Frain, Naval Air Systems Command; G. Van Sickle, DCS Corporation
2. Aviation Applications for Galileo: A. Schuster Bruce, Thales Avionics, UK; R. Jeans, National Air Trafic Services; E. Chatre, Galileo Interim Support Structure; G. Alcouffe, Thales Avionics, France
3. ISAGNSS: Spanish GNSS Activities Support Infrastructure: M. Toledo, E. Gonzalez, GMV, Spain; L. Andrada, Aena; M.A. Sagrado, SENASA; A. Garcia, GMV Sistemas
4. GPS Align in Motion of Civilian Strapdown INS: D. Weed, J. Broderick, J. Love, T. Ryno, Honeywell Commercial Aviation Products
5. Loran for RNP 0.3 Approach: The Preliminary Conclusions of Loran Integrity Performance Panel (LORIPP): S. Lo, L. Boyce, P. Enge, Stanford University; B. Peterson, Peterson Integrated Geopositioning; R. Wenzel, T. Gunther, BAH; K. Carroll, USCGA LSU; M. Narins, K. Bridges, R. Erikson, Federal Aviation Administration
6. Robust Monitoring of Pre-Programmed Procedures Using GPS: I.T. Gallimore, Sierra Nevada Corporation
7. An Investigation of GPS Airborne Multipath: T.A. Skidmore, F. van Graas, J. Kelly, L. Martii, Ohio University
8. Use of Low-Cost GPS/AHRS with Head-Up Guidance Systems for CAT III Landings: R.S.Y. Young, P.Y. Hwang, D.A. Anderson, Rockwell Collins, Inc.

Alternate
1. Carrier-Phase DGPS System Accuracy Tests: Increasing Baseline Distance and Using CORS Network Data: J.S. Booth, Boeing Air Traffic Management; T.A. Lunde, Boeing Test and Validation

1. The Integrated Navigation System Based on Equations of Motion: L. Chai, Q. Fang, J. Yuan, J. Lou, Northwestern Polytechnical University, P.R. China
2. Navigation Using LINK-16 GPS/INS Integration: D. Sullivan, NAVSYS Corporation; P. Sack, Viasat Corporation
3. CIGTF Enhanced Precision Reference Systems: R.S. Lawrence, R. Pearson, J. Sanchez, B. Neal, D. Stutz, 746th Test Squadron, USAF
4. On the Integration of Inertial and GPS Data with an Odometer for Land Vehicles Navigation: S. Cunha, L. Bastos, Porto University, Portugal; T. Cunha, P. Tome, GeoNav, Ltd., Portugal
5. Nonlinear Filtering Methods for INS/DGPS In-Motion Alignment: N. Asaoka, M. Ooiwa, M. Tanikawara, S. Sugimoto; Ritsumeikan University, Japan; T. Numajima, Daihatsu Motors Co., Ltd., Japan; Y. Kubo, Mitsubishi Electric Industrial Co., Ltd., Japan
6. Car Tests for the Estimation of GPS/INS Alignment Error: S. Hong, M.H. Lee, Pusan National University, Korea
7. Error Analysis and Stochastic Modeling of MEMS Based Inertial Sensors: M. Park, Y. Gao, The University of Calgary, Canada
8. Integrated GPS/Loran Receiver for ASF Propagation Studies: R. Hartnett, USCG Academy; P. Swaszek, University of Rhode Island; G. Johnson, John J. McMullen Associates, Inc.

Alternate
1. The Performance Improvement of Wald Test with INS in GPS RTK: D. Kim, S. Chun, E. Lee, Y.J. Lee, Konkuk University, Korea

1. GALILEO: Status and Way Forward: R. Grohe
2. Description and Performance Analysis of Galileo Reference Codes: P. Erhard, ESA, The Netherlands; T. Burger, Astrium Gmbh, Germany
3. Introduction of European GNSS Services: On-going International Training and Demonstration Activities: E. Ailio, European Commission DG TREN, Belgium; G. Solari, A. Karamali, Galileo Interim Support Structure, Belgium; M. Tabache, European Space Agency
4. Building an Optimum Public-Private Partnership for Galileo: R. Peckham, J. Gallimore, EADS Astrium Ltd, UK

Alternate
2. Galileo´s Potential Military Role in Urban and Mountainous Terrain: J.M. Hasik, Consultant; M.R. Rip, Michigan State University; R. Langley, The University of New Brunswick, Canada; S. Coerr, Consultant

1. Customised Galileo Local Elements: I. Casewell, G. Morgan-Owen, Thales Navigation Ltd., UK
2. Galileo Augmentations for a Precise Positioning Application: R. Jones, Thales GeoSolutions Group Ltd, UK; D. Price, Thales Research & Technology, UK
3. Performance of CATIIIb Precision Approach with the GALILEO AltBOC(15,10) Wideband Signal Option on E5ab: J. Pielmeier, W. Werner, J. Winkel, IfEN GmbH, Germany
4. Integrity Concepts for Galileo´s Local Component: C.S. Dixon, J. Cole, M. Stevens, Astrium Ltd., UK; H. Trautenberg, A. Schmitz-Peiffer, V. Oel, Astrium GmbH, Germany

Alternate
1. Upgrade an Indoor Positioning System Using a Standard GPS Receiver: J. Caratori, M. Francois, N. Samama, GET/INT, France

1. The Galileo System Architecture: Consolidation and Completion of the B2 Definition in the Frame of the ESA Program: R. Dellago, J.M. Pieplu, R. Stalford, Galileo Industries, Italy
2. Performance Analysis of GNSS Global and Regional Integrity Concepts: H. Blomenhofer, W. Ehret, Thales ATM GmbH, Germany; E. Blomenhofer, NavPos Systems GmbH, Germany
3. Taking the Long View: The Impact of Spacecraft Structural Design and High Precision Force Modelling on Long-Term Orbit Evolution: M. Ziebart, S. Adhya, P. Cross, University College London, UK
4. GATE - The German Galileo Test Environment: R. Wolf, M. Thalhammer, IfEN GmbH, Germany; G.W. Hein, University FAF Munich, Germany
5. Land Mobile Satellite Navigation - Characteristics of the Multi-path Channel: A. Steingass, A. Lehner, German Aerospace Center, Germany
6. Interoperability Study Between GPS and Galileo Signals: S. Ganguly, A. Jovancevic, G. Deora, Center for Remote Sensing, Inc.
7. Impact of Galileo Spreading Code Selection and Data Rate onto Navigation Signal Interference: F. Soualle, T. Burger, Astrium GmbH, Germany
8. BOC Modulation Waveforms: Opportunities for Spectrum Control: A.R. Pratt, Orbstar Consultants, UK; J.I.R. Owen, DSTL, UK

1. Civil Augmentation Systems Sustaining Military Operations: A. Muls, Royal Military Academy, Belgium; T. Willems, Ghent University, Belgium; F. Boon, Septentrio nv, Belgium
2. Integration of Commercial GPS Into Military Systems: S.S. Edwards, M. Lohrenz, M.L. Gendron, Stennis Space Center
3. Advanced Navigation Architecture Trades: K.E. Rudolph, J.J. Hvizd, J.D. Fleming, Raytheon Precesion Guidance Systems
4. Targeting Applications within the Rockwell Collins Military GPS Handhelds: J. Kelly, S. Jones, Rockwell Collins, Inc.
5. JDAM SAASM Upgrade - Upgrade to a Proven Weapon: J.T. Nielson, M.E. Whiting, Rockwell Collins, Inc.
7. INS/GPS Integration with Adaptive Beamforming: F. Berefelt, B. Boberg, F. Eklof, J. Malmstrom, L. Paajarvi, P. Stromback, S.L. Wirkander, Swedish Defense Research Agency, Sweden
8. Advanced GPS Simulator/Receiver Prototyping System: S. Ganguly, A. Brown, M. Kirchner, Center for Remote Sensing, Inc.; M. Nguyen, P. Schnick, SPAWAR Systems Center San Diego; S. Green, GPS JPO CZET; E. Weston, NAWCWD China Lake

1. LocataNet: A New Positioning Technology for High Precision Indoor and Outdoor Positioning: J. Barnes, C. Rizos, J. Wang, University of New South Wales, Australia; D. Small, G. Voigt, N. Gambale, QX Corporation Pty Ltd, Australia
2. An Indoor Positioning Using GPS Repeater: G.I. Jee, S.C. Boo, J.H. Choi, H.S. Kim, Konkuk University, South Korea
3. Indoor Code and Carrier Phase Positioning with Pseudolites and Multiple GPS Repeaters: I. Petrovski, K. Okano, S. Kawaguchi, H. Torimoto, GNSS Technologies Inc., Japan; K. Suzuki, M. Toda, J. Akita, Future University - Hakodate, Japan
4. A Method for Repeater Position Determination in the Wireless Location: S.J. Kim, G.I. Jee, J.G. Lee, Seoul National University, South Korea
5. Space Time Characteristics of the RF Absolute Power of Indoor GPS Signals: Y. Aiga, K. Washizu, M. Nakamura, K. Sorita, M. Shoji, Y. Ogasa, Japan Radio Co., Ltd.
6. Stand-Alone High-Sensitivity GPS Receiver: Y. Aiga, K. Washizu, M. Nakamura, M. Shoji, Y. Ogasa, M. Hada, Japan Radio Co., Ltd.
7. Indoor Positioning System Using Accelerometry and High Accuracy Heading Sensors: J. Collin, Tampere University of Technology, Finland/The University of Calgary, Canada; O. Mezentsev, G. Lachapelle, The University of Calgary, Canada
8. HSGPS Signal Analysis and Performance Under Various Indoor Conditions: G. Lachapelle, M.E. Cannon, D. Diep, G. MacGougan, The University of Calgary, Canada

Alternates
1. A Multi-Carrier Technique for Precision Geolocation for Indoor/Multipath Environments: D. Cyganski, W.R. Michalson, Worcester Polytechnic Institute
2. Dynamic Node Location in an Ad Hoc Indoor Communications and Positioning Network: W.R. Michalson, H. Ahlehagh, Worcester Polytechnic Institute

1. High-Precision Single-Frequency GPS Point Positioning: T. Beran, D. Kim, R.B. Langley, University of New Brunwick, Canada
2. Complementary Kalman Filter for Smoothing GPS Position with GPS Velocity: H. Leppakoski, J. Takala, Tampere University of Technology, Finland; J. Syrjarinne, Nokia Mobile Phones, Finland
3. Standalone Real-Time Positioning Algorithm Based on Dynamic Ambiguities (DARTS): A. Simsky, Septentrio, Belgium
4. Ambiguity Resolution in Precise Point Positioning: M. Abdel-Salam, Y. Gao, The University of Calgary, Canada
5. A New Approach to Ill-Conditioned Problems in Rapid Positioning Using Single Frequency GPS Receivers: Z. Wang, Chinese Academy of Sciences, P.R. China
6. A Neural Network Aided Adaptive Kalman Filtering Approach for GPS Navigation: D.J. Jwo, H.C. Huang, National Taiwan Ocean University, Taiwan
7. A General Concept and Algorithm of Projected DGPS for High Accuracy DGPS Based Systems: Y. Zhang, C.G. Bartone, Ohio University Avionics Engineering Center
8. L1 Backup Navigation for Dual Frequency GPS Receivers: Y. Yang, T. Sharpe, R. Hatch, NavCom Technology, Inc.

1. Passive Altimeter Study Using GPS Flight Data: L.L. Liou, J.B. Tsui, D.M. Lin, Air Force Research Laboratory
2. A Dedicated Small Satellite Approach to SBAS: J. Paffett, E. Rooney, M. Unwin, Surrey Space Centre, UK; J. Owen, Defence Science and Technology Laboratory, UK
3. WAAS Availability and Performance at High Latitudes: S. Skone, V. Hoyle, The University of Calgary, Canada; C. Laurin, A. Coster, MIT Lincoln Laboratory
4. An Improvement of Real-Time Velocity and Acceleration Determination Algorithms for GPS Satellite: J. Zhang, K. Zhang, R. Grenfell, Y. Li, R. Deakin, RMIT University, Australia
5. Simulation-Based Performance Analysis of SBAS in Korea: Accuracy & Availability: C. Kee, Y. Yun, D. Kim, Seoul National University, Korea
6. Inmarsat-4 Navigation Transponder Test Equipment and Control Software for In-Orbit Tests: A.J. Van Dierendonck, GPS Silicon Valley; R. Coker, Pythagorean Development, Inc.; O. Razumovsky, Inmarsat, Ltd.; D. Bobyn, Dan Bobyn Engineering Ltd.; H. Kroon, Rockyview Technology, Inc.
7. EGNOS SBAS Data Reduction to Match ITU-R Eurofix Specifications: D. van Willigen, A. Helwig, G. Offermans, Reelektronika, The Netherlands; A. Salonico, Telespazio, Italy; J. Seybold, G. Abwerzger, TCA, Austria
8. Technology to Evaluate eLoran Performance: B. Peterson, K. Dykstra, Peterson Integrated Geopositioning, LLC; K. Carroll, U.S. Coast Guard Loran Support Unit; M. Narins, Federal Aviation Administration

Alternate
1. Correction Algorithm for SBAS C/A Code Interferences: L. Lestarquit, M. Malicorne, CNES, France; M. Bousquet, V. Calmettes, SUPAERO

1. New Tools for Network RTK Integrity Monitoring: X. Chen, H. Landau, U. Vollath, Trimble Terrasat GmbH, Germany
2. Applicability of Standardized Network RTK Messages for Surveying Rovers: H.J. Euler, B. Zebhauser, Leica Geosystems AG, Switzerland
3. SWEPOS Network-RTK Services - Status, Applications and Experiences: B. Jonsson, G. Hedling, P. Wiklund
4. Design of Reliable Communication System for Continuous GPS Reference Station Networks: S. Omar, C. Rizos, University of New Sout Wales, Australia
5. Estimation of Atmospheric Delays Using Multiple Reference Stations for RTK-GPS Positioning: F. Wu, N. Kubo, A. Yasuda, Laboratory of Communication Engineering, Tokyo University of Mercantile Marine, Japan
6. Wireless Instantaneous Network RTK Positioning and Navigation: Y. Bock, P. de Jonge, J. Fayman, D. Honcik, Geodetics, Inc.
7. Testing of a Multi-Reference Station Network for RTK DGPS Positioning in Italy: G. Pugliano, Parthenope University of Naples, Italy
8. The Effects of Network Geometry on Network RTK Using Simulated GPS Data: P. Alves, Y. Ahn, G. Lachapelle, The University of Calgary, Canada

Alternates
1. Evaluation of a Multi-Base-Station Differential Approach: N. Kjorsvik, O. Ovstedal, J.G.G. Svendsen, Agricultural University of Norway
2. Free Net Adjustment in Multi Reference Stations Approach for Instantaneous RTK: I. Kashani, Ohio State University and Technion, Israel Institute of Technology; P. Wielgosz, Ohio State University and University of Warmia and Mazury in Olsztyn, Poland; D. Grejner-Brzezinska, Ohio State University
3. New Development of the Victorian High Precision Permanent GPS Tracking Network with Real-Time Positioning Capability: K. Zhang, C. Roberts, RMIT University, Australia; M. Hale, J. Millner, Land Victoria, The Department of Sustainability and Environment, Australia

1. Interference Protection for EGNOS RIMS: C. Neville, K. Ashton, NATS Ltd., UK
2. The EGNOS Integrity Concept: Evaluation of the Ionospheric Corrections: A. Waegli, Swiss Federal School of Technology, Switzerland
3. Validation of GPS L5 Coexistence with DME/TACAN and Link-16 Systems: T. Kim, CAASD/The MITRE Corporation; J. Grabowski, Zeta Associates
4. Three or Four Carriers - How Many are Enough?: U. Vollath, K. Sauer, Trimble Terrasat GmbH, Germany; F. Amarillo, ESTEC; J. Pereira, Socratec GmbH, Germany
5. GPS Noise and Interference Test Challenges and Implementation: B. Hessen-Schmidt, Noise Com
6. A More Complete and Updated Methodology for Assessing Intrasystem and Intersystem Interference for GPS and Galileo: A.J. Van Dierendonck, AJ Systems; C. Hegarty, The MITRE Corporation; S. Pullen, Stanford University
7. Signal Generation, Verification, and Interaction Analysis of Legacy and Modernized GNSS Systems: B. Goodrich, L.H. Hughes, R. Weaver, K. Kovach, B. Deary, ARINC
8. GNSS Receiver Autonomous Integrity Monitoring: A Separability Analysis: S. Hewitson, The University of New South Wales, Australia

1. GPS Modernization of Control Segment in Relation to Master Control Station and Crew Operations: S.A. Brown, U.S. Air Force
2. GPS Modernized Block IIR System Test Program and Anomaly Reporting Process: G. Franco, GPS JPO SMC/CZET; M. Jurek, S. Jokerst, H. Buchanan, ARINC
3. Anechoic Chamber Testing of M-Code Interference with Legacy Military Receivers: A. Hammock, J. Anderson, J. Hebert, AFOTEC; G. Franco, GPS JPO; S. Jokerst, ARINC; C. Stroing, SPAWAR; J. Torres, The MITRE Corporation
4. GPS Accuracy Versus Number of NIMA Stations: C.H. Yinger, W.A. Feess, V. Nuth, R.N. Haddad, The Aerospace Corporation
5. Modernizing GPS Autonomous Navigation with Anchor Capability: J.A. Rajan, P. Brodie, H. Rawicz, ITT Industries
6. Anti-Spoofing and Authenticated Signal Architectures for Civil Navigation Systems: L. Scott, LS Consulting
7. M-Code Performance Spreadsheet Analysis Techniques: P.W. Ward, Navward GPS Consulting
8. GPS III System Operations Concepts: L. Boyd, A. Gower, O. Luba, Lockheed Martin; J. Crum, Infinity Systems Engineering

Alternates
1. The Future of GPS Support: L. Jester, 2SOPS/SO
2. Non-Periodic Short Spreading Sequences for GPS Puncturing, Time-Multiplexing, and Acquisition Aiding: J.M. Anderson, AFOTEC
3. Improvement of Error in GPS Using Modified Expression of Pseudo Range Error: J. Takamura, K. Shimizu, T. Tanaka, Keio University, Japan

1. Commitment to Design for a Safety-Critical Function Reliable GPS Antenna Technology for E-911 in Handsets: A. Wingfield, O. Leisten, Sarantel Limited, UK
2. Integrate GPS and Cellular Network to Improve Wireless Location Performance: C. Ma, The University of Calgary, Canada
3. FURLONG: A Study of Future Real-time Location and Navigation: T. Moore, C. Hill, C. Noakes, T. Veneboer, The University of Nottingham, UK; R. Saull, G. Close, SciSys Ltd; R. Moore, Centre for Ecology and Hydrology
4. Galileo: Benefits for Location-Based Services: J. Swann, E. Chatre, D. Ludwig, Galileo Interim Support Structure, Belgium
5. Closed-Form Solutions for Hybrid Cellular/GPS Positioning: N. Sirola, R. Piche, Institute of Mathematics, Tampere University of Technology, Finland; J. Syrjarinne, Nokia Mobile Phones, Finland
6. PARAMOUNT - Experiences and Results of a LBS Prototype for Mountaineers: E. Loehnert, E. Wittmann, H. Mundle, IfEN GmbH, Germany
7. Proposal of an Internet-Based EGNOS Receiver Architecture and Demonstration of the SISNET Concept: E. Gonzalez, M. Toledo, GMV, Spain; A. Catalina, C. Barredo, GMV Sistemas; F. Toran, J. Ventura, ESA; A. Salonico, Telespazio
8. Assisted GPS without Network Cooperation Using GPRS and the Internet: P. Mattos, ST Microelectronics

Alternates
1. GPS Tracking System with Error Correction: C. Scarlett, L. Clarke, R. Turner, A. Young, J. Skobla, The University of the West Indies, Jamaica
2. The Use of Augmented Reality, GPS and INS to Visualise Mining and Geological Data: G. Roberts, A. Evans, A. Dodson, B. Denby, S. Cooper, R. Hollands, IESSG, The University of Nottingham, UK
3. GPS Enhanced TCP IP Data Transfer Interface: A.S. Young, J. Skobla , The University of the West Indies, Jamaica

1. Analysis of Ionospheric Spatial and Temporal Decorrelation Errors in the Equatorial Region: R. Lejeune, M.B. El-Arini, CAASD/The MITRE Corporation; P. Doherty, Boston College; J. Klobuchar, ISI; E. De Paula, F. Rodrigues, A. Canavitsas, INPE
2. Effects of Equatorial Anomaly in the GPS Signals: A.B.V. Oliveira, T.N. de Morais, F. Walter, Instituto Tecnologico de Aeronautica, Brazil
3. Incorporating WAAS Data Into an Ionospheric Model for Correcting Satellite Radar Observations: C. Toews, E. Phelps, L. Thornton, S. Shulman, A. Coster, MIT Haystack Observatory
4. Development and Analysis of a New Ionospheric Model: Z. Liu, The University of Calgary, Canada
5. Advanced Tomographic Estimation of the Ionosphere Using Fewer Measurements: C. Kee, Y. Sohn, Seoul National University, Korea
6. Troposphere - Signal or Noise?: U. Vollath, X. Chen, Trimble Terrasat, Germany; E. Brockmann, swisstopo
7. 4-D Troposphere Modeling Using a Regional GPS Network in Southern Alberta: N. Nicholson, V. Hoyle, S. Skone, M.E. Cannon, G. Lachapelle, The University of Calgary, Canada
8. Providing Precision Approach SBAS Service and Integrity in Equatorial Regions: D. Cormier, E. Altshuler, P. Shloss, Raytheon

Alternates
1. Evaluation of Functions for Modelling of the Effect of the Ionospheric Refraction in the Propagation of the GPS Signals: M.T. Matsuoka, P. de Oliveira Camargo, Universidade Estadual Paulista, Brazil
2. GPS Water Vapour Estimation Using Surface Meteorological Data from Australian Automatic Weather Stations: Z. Bai, Y. Feng, Cooperative Research Centre for Satellite Systems, Queensland University of Technology, Australia
3. Instantaneous Regional Ionosphere Modeling: P. Wielgosz, Ohio State University and University of Warmia and Mazury in Olsztyn, Poland; D. Grejner-Brzezinska, Y. Yi, Ohio State University; I. Kashani, Ohio State University and Technion, Israel Institute of Technology

1. System Concept of the Honeywell LAAS Ground Facility: R. Hartman, R. Stangeland, M. Ahlbrecht, Honeywell Commercial Aviation Products
2. LAAS VHF Data Broadcast Sensitivity Performance Analysis: O.K. Nyhus, E.F.C. LaBerge, Honeywell; T.A. Skidmore, Ohio University
3. Error Models for Precision Landing with GBAS Using New GNSS Signals: P. Guillard, S. Monrocq, Thales-Avionics, France
4. Performance Verification of GBAS through ILS Inspection Procedure: C. Kee, S. Park, Y. Yun, Seoul National University, Korea; H. Park, Korean Civil Aviation Bureau
5. JPALS/LDGPS: System Architecture Evaluation and Performance in Off-Nominal Environments: J. Gautier, S. Pullen, M. Koenig, U.S. Kim, P. Enge, Stanford University; B. Pervan, Illinois Institute of Technology; D. Gebre-Egziabher, University of Minnesota; B. Peterson, F. Ventrone, ARINC
6. Multipath Modeling and Test Results for JPALS Ground Station Receivers: S. Anderson, J. Weiss, P. Axelrad, University of Colorado; R. Brinkley, R. Pennline, ARINC
7. Results of Flight Test Program to Develop New Terminal Instrument Procedures for LAAS/GPS Approaches and Guided Missed Approaches Using Category A, B, and C Aircraft: W. Ross, J. Fagan, University of Oklahoma; G. McCarter, FAA-AFS-420; R. Sexton, ISI
8. Results of Flight Test Program to Develop Curved Path Navigator, Set of New Curved Path Approaches to Landing Using GPS/LAAS and WAAS: B. Mohr, J. Fagan, University of Oklahoma; G. McCarter, FAA-AFS-420; R. Sexton, ISI

Alternates
1. Development of a Pseudolite - A Brazilian GBAS Experience: D. Zandonadi Jr., F. Walter, Instituto Tecnologico de Aeronautica, Brazil
2. A Real-Time GPS/SBAS Time-Divided-Multi-Signal Quality Monitoring Receiver: N. Fujii, S. Saitoh, Electronic Navigation Research Institute; T. Hashimoto, M. Kawai, H. Nakao, Furuno Electric Co., Ltd., Japan
3. PRC Generation in Time-Latency:Is RRC Still Required Even If S/A Has Been Turned Off?: C. Kee, B. Park, J. Kim, GPS Lab, Seoul National University, Korea

1. Rockwell Collins´ Flexible Digital Anti-Jam Architecture: S. Carlson, C. Popeck, M. Stockmaster, C. McDowell, Rockwell Collins, Inc.
2. Simulation and Validation of a GPS Antenna Array Concept for JPALS Application: U.S. Kim, D. Akos, P. Enge, Stanford University; F. Bastide, ENAC, France
3. Triple Band Antenna for Modernized GPS System for Reception of L1, L2 and L5 Signals: B.R. Rao, M.A. Smolinski, C.C. Quach, E.N. Rosario, The MITRE Corporation
4. Multiband L5-Capable GPS Antenna Designs: Y.J. Lee, S. Ganguly, Center for Remote Sensing, Inc.; R. Mittra, Electromagnetic Communication Laboratory, Penn State University
5. A Dual-Band Reduced-Surface-Wave GPS Microstrip Antenna with Low Susceptibility to Multipath Interference: L.I. Basilio, R.L. Chen, J.T. Williams, D.R. Jackson, Applied Electromagnetics Laboratory, University of Houston
6. A Three Dimensional Choke Ring Ground Plane Antenna: W. Kunysz, NovAtel Inc., Canada
7. Phase Center Calibration and Multipath Test Results of a Digital Beam-Steered Antenna Array: K. Stolk, A. Brown, K.L. Gold, NAVSYS Corporation
8. Joint Estimation of Channel Biases and Angles of Arrival For a Small GPS Array Antenna: C. Yang, Sigtem Technology, Inc.; D.M. Lin, AFRL/SNRP

Alternates
1. Estimation of High Precision Carrier-Phase by Accumulated-Delta-Range (ADR) Data for Reduction of the Multipath Problem and Evaluation by 2D-MUSIC: Y. Goto, T. Iwata, University of Tokushima, Japan; K. Yamashina, H. Susaki, O. Arai, Furuno Electoric Co., Ltd., Japan
2. Constrained Adaptive Monopulse for GPS Attitude Determination Under Jamming: C. Yang, Sigtem Technology, Inc.

1. Galileo User Segment Overview: M. Hollreiser, P. Erhard, European Space Agency, The Netherlands; C.S. Dixon, Galileo Industries & Astrium Ltd., UK
2. The Galileo Ground Segment Reference Receiver Development: Architecture and Critical Design Issues: A. Di Cintio, L. Marradi, Laben S.p.A., Italy; M. Luise, CPR, Italy; A. Fernandez, J. Diez, DEIMOS, Spain; B. Lobert, Alcatel Space Industries, France; M. Hollreiser, ESA/ESTEC, The Netherlands
3. A Comparison of "Direct RF Sampling" and "Downconvert & Sampling" GNSS Receiver Architectures: M.L. Psiaki, Cornell University; D. Akos, J. Thor, Stanford University
4. Proposed Extended Linear Model of Tracking Loops Including Predetection Filter Effects for Pilot Signals Tracking under Large Coherent Integration Time Condition: F. Legrand, M3Systems, France
5. Open Architecture Development System for GPS and Galileo: S. Ganguly, A. Jovancevic, G. Deora, A. Brown, Center for Remote Sensing, Inc.
6. Interference Study - Processing Live GPS L1 Data with Injected Galileo L1 Data in a High-Performance GNSS Software Receiver: P.L. Normark, C. Stahlberg, NordNav Technologies, Sweden; G. Grandos, European Space Agency
7. A High-End Integrity Receiver for the Combined GPS & Galileo Systems: Digital Signal Processing: G. Brodin, J. Cooper, The CAA Institute of Satellite Navigation, The University of Leeds, UK; J. Brading, Raytheon Systems Limited, UK
8. Performance and Commercial Benefits Delivered by Galileo: R. Peckham, EADS Astrium Limited, UK

Alternates
1. Tracking and Multipath Performance Assessments of BOC Signals Using a Bit-Level Signal Processing Simulator: L. Ries, L. Lestarquit, J.L. Issler, CNES, France; F. Legrand, W. Vigneau, M3Systems, France
2. Galileo Sensor Station Ground Reference Receiver Performance Characteristics: N. Gerein, A. Manz, NovAtel Inc., Canada
3. Simulation & Verification of New Architectures for Galileo Navigation Signal Demodulation: S. Fischer, S. Berberich, J. Heim, P.A. Krauss, Astrium GmbH, Germany

1. Anti-FM Jamming in GPS Receivers Using a Kalman-type Nonlinear Adaptive Filter: K. Deergha Rao, Concordia University, Canada
2. Automatic Gain Control (AGC) as an Interference Assessment Tool: F. Bastide, C. Macabiau, ENAC/STNA, France; D.M. Akos, Stanford University; B. Roturier, STNA, France
3. Mission Planning In GPS-Denied Regions Using GIJET: M. Grace, P. Stieber, M. Figueroa, W. White, Toyon Research Corporation; F. Escobar, U.S. Navy SPAWAR Systems Center
4. Intra/Inter GNSS Interference Assumptions and Methodology: B. Titus, U.S. Air Force, GPS JPO; J. Betz, MITRE Corporation
5. Simulation of GPS Vulnerability during Launch of Space Vehicles with Interfering Inputs: V.J. Reid, D.J. Biezad, California Polytechnic State University
6. RF Interference and Multipath Effects at Continuous GPS Installations for Long-Term Monitoring of Tide Gauges in UK Harbours: F.N. Teferle, R.M. Bingley, A.H. Dodson, IESSG, University of Nottingham, UK
7. ATC Radar Interference Impact on Air Receivers: A. Renard, E. Kirby, Thales Avionics, France
8. SRGPS Availability Modeling and Results: J. Wright, K. Taylor, S. Dogra, I. Gallimore, Sierra Nevada Corporation; J. Clark, Titan

1. A New Approach for Fast and Reliable Ambiguity Search Technique: C. Kee, D. Kim, J. Jang, GPS Lab, Seoul National University, Korea
2. Dual-Mode GPS Real-Time Kinematic System for Seamless Ultrahigh-Precision Positioning and Navigation: D. Kim, R.B. Langley, University of New Brunswick, Canada
3. An Application of Wide-Lane to Long Baseline GPS Measurements: H. Isshiki, Institute of Mathematical Analysis, Japan
4. How Multipath Error Influences on Ambiguity Resolution: N. Kubo, A. Yasuda, Tokyo University of Mercantile Marine, Japan
5. A Testing Methodology for GPS Phase Multipath Mitigation Techniques: D. Betaille, University College London, UK
6. Impact of GPS Modernization on Precise Carrier Phase-Based Positioning in the Presence of Multipath: L. Lau, P. Cross, University College London, UK
7. Exploiting the Synergies Between RTK and Wide-Area, Dual Frequency dGPS Systems: T. Sharpe, R. Hatch, NavCom Technology, Inc.; F. Nelson, T. Pickett, Deere and Co.
8. Synergy of CP-DGPS, Accelerometry and Magnetic Sensors for Precise Trajectography in Ski Racing: J. Skaloud, P. Limpach, Swiss Federal Institute of Technology, Switzerland

Alternate
1. Design and Simulation of a Pseudolite-Based Flight Reference System: T. Bouska, J. Raquet, Air Force Institute of Technology

1. High Precision Real-Time Navigation for Spacecraft Formation Flying: S. Leung, O. Montenbruck, German Space Operations Center, Germany
2. Autonomous Formation Flying RF Ranging Subsystem: A. Garcia-Rodriguez, European Space Agency, The Netherlands; C. Bourga, C. Mehlen, Alcatel Space Industries, France; P. Colmenarejo, GMV, S.A., Spain
3. Using L1-Frequency GPS Signals for the Relative Navigation of Space Vehicles: M. Hartrampf, E. Gottzein, M. Mittnacht, Astrium GmbH, Germany
4. Analysis of the GLONASS and GPS Signals Availability at the GEO: S.V. Averin, A.A. Vinogradov, V.V. Dvorkin, Russian Institute of Space Device Engineering (RISDE)
5. Space Applications of the NASA´s Global Differential GPS System: Y. Bar-Sever, B. Bell, A. Dorsey, J. Srinivasan, Jet Propulsion Laboratory
6. Cassini Tour Navigation Strategy: D. Roth, V. Alwar, J. Bordi, T. Goodson, Y. Hahn, R. Ionasescu, J. Jones, W. Owen, J. Pojman, I. Roundhill, S. Santos, N. Strange, S. Wagner, M. Wong, Jet Propulsion Laboratory
7. Navigation Flight Test Results from the Low Power Transceiver Communications and Navigation Demonstration on Shuttle (CANDOS) Experiment: L. Haas, C. Massey, D. Baraban, ITT Industries
8. Effects of Multipath and Signal Blockage on GPS Navigation in the Vicinity of the International Space Station: D.E. Gaylor, E.G. Lightsey, The University of Texas at Austin

Alternates
1. TOPEX Maneuver Detection Using GPS Residuals: E. Accad, S. Graham, E. Paredes, A. Soroosh, Raytheon ITSS; T. Martin-Mur, R. Meyer, A. Salama, Jet Propulsion Lab
2. FedSat Orbit Determination Using the Duty-Cycle GPS Observations with an Aft-Looking Antenna: Y. Feng, N. Zhou, W. Enderle, R. Walker, Cooperative Research Centre for Satellite Systems, Queensland University of Technology, Australia

1. Ionosphere Spatial Gradient Threat to Category II/III LAAS: Analysis and Mitigation: M. Luo, J. Dennis, S. Pullen, P. Enge, Stanford University; T. Dehel, J. Warburton, V. Wullschleger, FAA William J. Hughes Technical Center
2. CUSUM-Based Real-Time Risk Metrics for Augmented GPS and GNSS: S. Pullen, J. Lee, G. Xie, P. Enge, Stanford University
3. The JPALS Performance Model: M. Lage, G. Johnson, ARINC; J. Aksteter, SAIC; R. Breslau, J. Clark, Titan
4. Methodology to Support PT2 Requirements Validation: I.T. Gallimore, D. Rudy, J. Hansen, Sierra Nevada Corporation
5. Development of an APL Error Model for Precision Approaches and Validation by Flight Experiments: R.J. Biberger, A. Teuber, T. Pany, G.W. Hein, Institute of Geodesy and Navigation, University FAF Munich, Germany
6. Flight Test Results of Precision Approach and Landing Augmented by Airport Pseudolites: B.K.H. Soon, E.K. Poh, DSO National Laboratories, Singapore; J. Barnes, J. Zhang, H.K Lee, H.K. Lee, C. Rizos, The University of New South Wales, Australia
7. A Viable Airport Pseudolite Architecture for LAAS: S. Kiran, C. Bartone, Ohio University
8. JPALS Availability Modeling and Assessment in Nominal and Jamming Environments: J.R.A. Stevens, M.E. Lage, Y.S. Nam, B.R. Peterson, ARINC Engineering Services

1. Airborne Remote Sensing: Redefining a Paradigm of Traffic Flow Monitoring: D. Grejner-Brzezinska, C. Toth, National Consortium for Remote Sensing in Transportation-Flows, Ohio State University
2. GPS on Rail - FRA´s Track Geometry Car: C.J Fischer, Federal Railroad Administration
3. GPS-Based Bistatic Radar for Terrain Awareness - Methods and Preliminary Results: P. Sturtevant, D. Masters, P. Axelrad, University of Colorado; S.J. Katzberg, NASA Langley Research Center
4. An Intelligent Navigation Aid for Land Mobile Applications Using Augmented Reality Technologies: S. Scott-Young, The University of Melbourne, Australia

Alternates
1. An Integrated System for Dispatch and Navigation of Emergency Services Vehicles: S.R. Croyle, Robert Bosch Corporation/Franklin-Bingham Fire Department
2. Application of Spectral Estimation Techniques in Terrain Database Integrity Monitors and Terrain Navigation Systems: A.K. Vadlamani, M. Uijt de Haag, Ohio University