1. Advanced Antenna Electronics With and Without Beam Forming: I.J. Gupta, Ohio State University
2. Trade Study: # of Beams vs State 5 Tracking in a Jamming Environment: C. Behre, J. Fleming, Raytheon
3. SIRIAS Evaluation of GPS Anti-Jam Techniques: M. Stockmaster, T. Peterson, Rockwell Collins; A. Porter, Air Force Research Laboratory
4. Flexible Architecture for Future Military Navigation Systems: S. Ganguly, A. Brown, Center for Remote Sensing, Inc.
5. Flexible Anti Jamming System Using Software GPS Receivers: S. Ganguly, A. Brown, Center for Remote Sensing
6. Methods for Evaluating JPALS Availability Under Jamming: C. Varner, R. Brinkley, ARINC; W.T. Clark, The MITRE Corporation
7. GPS Signal Jamming Mitigation Through Multiple Model Adaptive Estimation Applied to Ultra-tightly Coupled GPS/INS Architecture: K.W. Meidel, P.S. Maybeck, J.F. Raquet, Air Force Institute of Technology

Alternates
1. Repeater Jammer Study: D. Goldstein, Naval Air Weapons Station
2. Small and Modular GPS Anti-Jam Techniques for Flexible Platform Applications: B. Wilson, Honeywell Electronic Protection Products

1. Receiver Susceptibility Testing as an Essential Element of NAVWAR Electronic Support: J. Youngberg, BAE; E. Emile, GPS JPO
2. Synergistic Combination of GPS IIF and III SIS Enhancements UE Technologies and Smart Algorithms to Counter Jamming and Spoofing Threats: R. DiEsposti, Boeing
4. Advanced Modeling and Simulation Software for the Analysis of Hypersonic Reentry Plasma: A. Tetewsky, B. Dow, Draper Laboratory; K. Golden, T. Hanrahan, Xon/Tech/Gruman; J.P. Sillence, Air Force Research Laboratory
5. Reentry Plasma Effects on GPS Receiver Performance: Demonstration of a Hardware-in-the-Loop Simulation for a Ballistic Missile RV: D. Jacobs, D. Howell, AFRL; J. Sillence, D. Mather, S. Young, J. Pasqual AFRL
6. L3´s Deeply Integration (DI) With Space Time Adaptive Processing (STAP) Testing With AFRL´s Wave Front Simulator: S. Alexander, I. Johnston, L3 Communications
7. (U//FOUO) Intelligent Intentional Interference of GPS: S. Bose, Technalytics; M. Dall, National Security Agency

1. Integrated GPS Anti-Jam Systems: D. Rowe, J. Weger, J. Walker, Rockwell Collins Government Systems
2. Validation of Autonomous Airborne Refueling Algorithms Using Flight Test Data: S. Khanafseh, B. Pervan, Illinois Institute of Technology; J. Gautier, P. Enge, Stanford University; G. Colby, Naval Air Warfare Center
3. Use of GPS for Long Range Precision Navigation for Weapon Delivery: M. Pownell, J. Nielson, Rockwell Collins Inc.; J. Madsen, Sandia National Laboratories
4. Investigation of Common Architectures for Land and Sea-Based JPALS : B.R. Peterson, ARINC Engineering Services; S. Pullen, Stanford University; B. Pervan, Illinois Institute of Technology; G. McGraw, Rockwell Collins; T. Skidmore, Ohio University; S. Anderson, University of Colorado at Boulder
5. Generalized Lever Arm Calculations For Multi-Instrument Kalman Filters: T.A. Miller, Pax River Atlantic Test Range, Eagan, McAllister & Assoc.; M. Stark, Pax River Atlantic Test Range, CSC
6. Statistical Analysis of Military and Civilian Navigation Error Data Services: T. Driver, Analytical Graphics Inc.
7. Rocket Trajectory Correction Using Pulsers Mechanism and a GPS Receiver for Roll Rate and Angle Estimation: A. Malul , T. Keynan, D. Newman, BAE Systems Rokar Int., Israel
8. Optimizing Channel Selection for the JPALS´ Land-based Integrity Monitor: M. Koenig, J. Rife, S. Pullen, P. Enge, Stanford University

1. Advances in Ambiguity Resolution for RTK Applications Using the New RTCM V3.0 Master-Auxiliary Messages: N. Brown, R. Keenan, B. Richter, L. Troyer, Leica Geosystems AG, Switzerland
2. A Modified Lambda Method for Ambiguity Resolution in the Presence of Position Domain Constraints: R. Mönikes, J. Wendel, G.F. Trommer, University of Karlsruhe, Germany
3. A Geometric Approach to Integer Ambiguity Validation: T. Nagano, S. Yoshikawa, T. Iwamoto, Mitsubishi Electric Corporation, Japan; K. Yamada, Nagoya University, Japan
4. A New Approach for Mitigating Low-Frequency Carrier-Phase Multipath in GPS-RTK, Based on Between-Receivers Dynamics and an Effective Reflector: L. Serrano, D. Kim, R.B. Langley, University of New Brunswick, Canada
5. A Novel Server Based Positioning Algorithm with Reduced Over the Air Messaging Traffic: M. Chansarkar, G. Zhang, M. Wan, M. Phatak, SiRF Technology, Inc.
6. Carrier-Phase Tracking of Future Data/Pilot Signals: O. Julien, The University of Calgary, Canada
7. Attitude Determination Methods Used in the PolaRx2@ Multi-antenna GPS Receiver: L. Vander Kuylen, F. Boon, A. Simsky, Septentrio NV, Belgium
8. Solution of Timing Errors for AGPS: É.P. Glennon, Signav Pty Ltd. & University of NSW, Australia; R.C. Bryant, Signav Pty Ltd., Australia

1. Performance Study of Multi Carrier Ambiguity Resolution Techniques for Galileo and Modernized GPS: S. Schlötzer, S. Martin, EADS Astrium GmbH, Germany
2. A Novel Algorithm for the Code Tracking of BOC(n,n) Modulated Signals: F. Dovis, Politecnico di Torino, Italy; P. Mulassano, Istituto Superiore Mario Boella, Italy; L. Lo Presti, Politecnico di Torino, Italy
3. GPS Carrier Tracking Loop Performance in the Presence of Ionospheric Scintillations: T.E. Humphreys, M.L. Psiaki, P.M. Kintner, Jr., Cornell University; B.M. Ledvina, Applied Research Laboratories
4. Adaptive Phase Correction Loop for Enhanced Acquisition Sensitivity: A. Schmid, Infineon Technologies AG, Germany; C. Günther, Technical University Munich/German Aerospace Center, Germany; A. Neubauer, Infineon Technologies AG, Germany
5. Extended Kalman Filter Tracking and Navigation Message Decoding of Weak GPS L2C and L5 Signals: N.I. Ziedan, Miami University
6. A Novel GPS Cross Correlation Mitigation Technique: É.P. Glennon, University of New South Wales & Signav Pty Ltd., Australia; A.G Dempster, University of New South Wales, Australia
7. Comparison of Two Approaches for GNSS Receiver Algorithms: Batch Processing and Sequential Processing Considerations: F. van Graas, A. Soloviev, M. Uijt de Haag, S. Gunawardena, M. Braasch, Ohio University
8. Differential Signal Processing Schemes for Enhanced GPS Acquisition: S.K. Shanmugam, R. Watson, J. Nielsen, G. Lachapelle, University of Calgary, Canada

Alternates
1. GPS Modernization Using Flexible Software Receiver: A. Jovancevic, N. Bhatia, J. Noronha, A. Brown, S. Ganguly, Center for Remote Sensing, Inc.
2. A FPGA-based Software GPS Receiver Implementation Using Simulink and Xilinx System Generator: H-S. Cho, S-H. Im, G-I. Jee, Konkuk University, Korea

1. The New Tropospheric Product of the International GNSS Service: S.H. Byun, Y.E. Bar-Sever, Jet Propulsion Laboratory; G. Gendt, GFZ, Germany
2. Accurate Tropospheric Correction for Local GPS Monitoring Networks with Large Height Differences: S. Schön, A. Wieser, K. Macheiner, Graz University of Technology, Austria
3. Extraction of Slant Wet Delay and Three Dimensional Wet Refractivity Tomography by GPS: C. Yunchang, Y.Q. Chen, The Hong Kong Polytechnic University, China; P.W. Li, The Hong Kong Observatory, China
4. Regional Tropospheric Tomography Based on Real-Time Double Difference Observables: N.A. Nicholson, S. Skone, M.E. Cannon, G. Lachapelle, N. Luo, The University of Calgary, Canada
5. Impact of GPS Precipitable Water on WRF 3DVAR Rainfall Forecast: T. Iwabuchi, C. Rocken, T. Van Hove, Y-H. Kuo, University Corporation for Atmospheric Research
6. Measurement System and Experimental Results of Airborne-based Downward-looking GPS Occultation: T. Yoshihara, N. Fujii, K. Hoshinoo, K. Matsunaga, S. Saitoh, T. Sakai, ENRI, Japan; T. Tsuda, Kyoto University, Japan; Y. Aoyama, NICT, Japan; S. Danno, Kyoto University, Japan
7. Recent Improvements in the Retrieval of Precipitable Water Vapor: J.J. Braun, T. Van Hove, University Corporation for Atmospheric Research

1. Navigation Errors Introduced By Ground Vehicle Dynamics: W. Travis, D.M. Bevly, Auburn University
2. GNSS Local Integrity Augmentation - Future Standards for User Communication Links: C.S. Dixon, R.G. Morrison, EADS Astrium Ltd., U.K.
3. Moving Map and Situational Awareness Capabilities of the DAGR: G.L. Bachman, Rockwell Collins, Inc.
4. Integration of DGPS with a Low Cost MEMS - Based Inertial Measurement Unit (IMU) for Land Vehicle Navigation Application: S. Godha, M.E. Cannon, The University of Calgary, Canada
5. Compensation of the Effects of Phase Wind-up for Improving the Performance of a GPS RTK-Based Vehicle Navigation System: D. Kim, L. Serrano, R.B. Langley, University of New Brunswick, Canada
6. Impact of DGPS Post Processing Techniques and Course Mapping on Evaluation of Outdoor Athletic Performance in Walking Golf: M. Peterson, Arizona State University; N. Froman, Geotechnologies, Inc; M. Grollman, National Scientific Corporation & Northcentral University
7. A Prototype Long Baseline DGPS Concept Demonstration for NDGPS High Performance Land Applications: Y. Zhang, C. Bartone, Ohio University
8. GPS L1 Carrier Phase Double Difference Solution Using Low Cost Receivers: S. Söderholm, Fastrax Ltd, Finland

1. The Macroeconomic Impacts of Galileo: D. Arthur, University of Surrey, U.K./ESYS PLC, U.K.; B. Jenkins, ESYS PLC, U.K.; N. von Tunzelmann, University of Sussex, U.K.; J. Styles, ESYS PLC, U.K.
2. The Implementation of a Public-Private Partnership for Galileo: X. Bertrán, A. Vidal, EADS Space Services, France
3. An Update on the Market Context for Galileo: J. Styles, B. Jenkins, ESYS plc, U.K.; A. Sage, Helios Technology, U.K.
4. New U.S. GPS Policy from a European Perspective: M.U. Ripple, A. Vidal, EADS Space Services, France
5. Economic Benefits of GNSS in Transport Applications: N.D. Costa, ESYS plc, U.K.; R. Piers, ECORYS, NL; M. Hawley, Helios-Technologies, U.K.; J. Fiebelhorn, LOPOS, Germany; J. Styles, ESYS plc, U.K.
6. Operating EGNOS: A.W. Lyon, J. Westbrook, U. Guida, ESSP, Belgium
7. The EGNOS User Interface Document Explained: C. Montefusco, J. Ventura-Traveset, European Space Agency, France; G. Solari, F. Salabert , Galileo Joint Undertaking
8. Intermediate Results of SCORE, a Project for a First Operational 112 Assistance Service Using EGNOS: P. Poiré, G. Duchâteau, Alcatel Alenia Space, France; M. Bodenstorfer, HiTec Marketing, Austria

Alternate
1. Galileo in BavarianSky - Network of Excellence in Satellite Navigation: B. Deisting, University of FAF Munich, Germany

1. Testing of Ultra-Tightly-Coupled GPS Operation using a Precision GPS/Inertial Simulator: A. Brown, D. Nguyen, Y. Lu, C.C. Wang, NAVSYS Corporation
2. DR/GPS Integrated System for Seamless Positioning as a Telematics Navigator: S.Y. Cho, W.S. Choi, ETRI, South Korea
3. A Performance Comparison of Tightly Coupled GPS/INS Navigation Systems Based on Extended and Sigma Point Kalman Filters: J. Wendel, J. Metzger, R. Moenikes, A. Maier, G.F. Trommer, University of Karlsruhe, Germany
4. Comparison of Nonlinear Filtering Methods for INS/GPS In-Motion Alignment: S. Fujioka, Ritsumeikan University, Japan; M. Tanikawara, Hitachi Industrial Equipment Systems Co., Ltd., Japan; M. Nishiyama, Y. Kubo, S. Sugimoto, Ritsumeikan University, Japan
5. Performance Analysis of Deeply-Integrated GPS/INS in Noisy, High Dynamic Environments: C.R. Hamm, D.M. Bevly, Auburn University
6. INS/GPS Tightly Coupled Approach Using an INS Error Predictor: K. Kim, C.G. Park, Seoul National University, South Korea
7. On the Development of a Conceptual Intelligent Navigator for Low Cost DGPS/MEMS IMU Integrated Systems: K-W. Chiang, X. Niu, N. El-Sheimy, The University of Calgary, Canada
8. Real-Time Implementation of a Deeply Integrated GNSS-INS Architecture: A. Jovancevic, S. Ganguly, Center for Remote Sensing, Inc.

Alternate
1. Estimation of GPS Carrier Ambiguity Distribution Using Local Linearization Particle Filters: S. Chun, E. Lee, Y.J. Lee, T. Kang, Konkuk University, South Korea

1. Partial Continuation Model-Based Mitigation of Systematic Errors of DD GPS Measurements : J. Guo, Chinese Academy of Sciences, China
2. The Robust Statistics Method Applied in the Kalman Filter: Theory and Application: A. Carosio, Swiss Federal Institute of Technology, Switzerland; A. Cina, M. Piras, Politecnico di Torino, Italy
3. Baseline Vector Measurement Using a Two-Channel Software GPS Receiver: L.L. Liou, D.M. Lin, J.B. Tsui, AFRL, J. Schamus, General Dynamics; J.T. Morton, Miami University
4. The Open Source GPS Toolkit: A Review of the First Year: B. Renfro, R.B. Harris, B.W. Tolman, T. Gaussiran, D. Munton, J. Little, R. Mach, S. Nelsen, The University of Texas at Austin
5. Nonlinear Estimation Techniques for Positioning Using Multilateration: A.S. Brown, D.F. Hardiman, D. Carter, U.S. Army
6. Extending Wide Area and Virtual Reference Station Networks Far into the Sea with GPS Buoys: O.L. Colombo, GEST/NASA Goddard; M. Hernandez-Pajares, J.M. Juan, J. Sanz, Universitat Politecnica de Catalunya, Spain
7. High Rate Performance Assessment of GNSS Raw Data Based on the DLR Experimentation and Verification Network: T. Noack, E. Engler, D. Klahn, German Aerospace Centre, Germany
8. GPS Carrier Phase Processing: J.R. Wright, Analytical Graphics, Inc.

Alternate
1. Optimal Hatch Filter With a Flexible Smoothing Window Width: B. Park, C. Kee, Seoul National University, South Korea

1. Assessment of GPS Anti-Jam System Pseudorange and Carrier Phase Measurement Error Effects: G.A. McGraw, C. McDowell, R.S.Y. Young, D.W. Glessner, Rockwell Collins
2. Adaptive Array Processing for GPS Interference Rejection: D.S. De Lorenzo, J. Gautier, P. Enge, Stanford University; D. Akos, University of Colorado at Boulder
3. A Low Power RF Front-end for an L1/L2CS GPS Receiver: F. Chastellain, C. Botteron, P-A. Farine, University of Neuchatel, Switzerland
4. Analysis of Carrier Phase and Group Delay Biases Introduced by CRPA Hardware: U.S. Kim, Stanford University
5. GPS Signal to Noise Measurement in Weak Signal and High Interference Environments: P.D. Groves, QinetiQ, U.K.
6. GPS Multipath Mitigation Using a Three Dimensional Phased Array : A. Brown, NAVSYS Corporation
7. Design of a Direction Independent Uniform Scan Array for GPS Applications: Y. Lee, M. Kirchner, S. Ganguly, Center for Remote Sensing, Inc.
8. Realisable GPS Antennas for Integrated Hand Held Products: T. Haddrell, Integrated Navigation Systems Ltd., U.K.; J.P. Bickerstaff, M. Phocas, Ceva Ltd.;

1. Ionospheric Scintillation Effects on GPS Performance and Weapon's Effectiveness: C.A. Evans, General Dynamics
2. Single-difference Ionosphere Map Generation Based on a Reference CORS Network: C-K. Hong, The Ohio State University
3. US-TEC: A New Data Assimilation Product from the Space Environment Center Characterizing the Ionospheric Total Electron Content : T. Fuller-Rowell, E. Araujo-Pradere, M. Husler, C. Minter, M. Codrescu, J. Kunches, NOAA/NWS/CIRES University of Colorado; D. Robertson, G. Adams, S. Gutman, NOAA
4. A New Method to Model the Ionosphere Across Local Area Networks: P.F. Kolb, X. Chen, U. Vollath, Trimble Terrasat, Germany
5. Impact of NeQuick Correction Model to Positioning and Timing Accuracy Using the Instantaneous Pseudo Range Error of Single Frequency Absolute Positioning Receivers: B. Belabbas, S. Schlueter, M.Z. Sadeque, German Aerospace Center, Germany
6. SBAS Ionospheric Modeling with the Quadratic Approach: Reducing the Risks: H. Rho, R.B. Langley, University of New Brunswick, Canada; A. Komjathy, NASA JPL / California Institute of Technology
7. Modified Ionospheric Correction Algorithms for the SBAS Based on Geometry Monitor Concept: T. Sakai, K. Matsunaga, K. Hoshinoo, Electronic Navigation Research Institute, Japan; T. Walter, Stanford University
8. Airborne and Ground Monitors for Ionospheric Front Detection in LAAS Using Carrier Phase and INS Measurements: L. Gratton, S. Khanafseh, F.-C. Chan, B. Pervan, Illinois Institute of Technology

Alternate
1. Evaluation of a Basic Operational Global Ionospheric Assimilation Model (JPLGAIM) : L. Mandrake, B. Wilson, JPL/NASA; C. Wang, USC/Mathematics; G. Hajj, X. Pi, JPL/NASA

1. Engineering the All-Weather Antenna Tuning Unit for NDGPS Applications: C.A. Treib, P.K. Gingras, M.W. Parsons, D.B. Wolfe, USCG Command and Control Engineering Center
2. DGNSS Service for Telematic Applications on Inland Waterways: M. Hoppe, S. Bober, W. Rink, German Federal Waterways Administration, Germany
3. Galileo in Maritime Applications: S.E. Christiansen, J. Klepsvik, Kongsberg Seatex AS, Norway; M. Fairbanks, Booz Allen Hamilton Ltd. U.K.; A. Grant, N. Ward, The General Lighthouse Authorities, U.K./Ireland; M. Jandrisits, via donau, Austria
4. Receiver Performance for an Enhanced DGPS Data Channel: R. Hartnett, U.S. Coast Guard Academy; P. Enge, Stanford University; P. Swaszek, University of Rhode Island; G. Johnson, M. Kuhn, John J. McMullen Associates, Inc.
5. Implementation of a Positioning and Telemetry Buoy to Determine Chart Datum for Hydrographic Survey Applications: E.N. Arroyo-Suarez, Naval Oceanographic Office; D.L. Mabey, Stennis Space Center; V. Hsiao, NavCom Technology Inc.; R. Philip, AXYS Technologies, Inc., Canada
6. Range-Extended Post-Processing Kinematic (PPK) in a Marine Environment: M. Santos, K. Cove, R. Kingdon, University of New Brunswick, Canada; D. Wells, The University of Southern Mississippi
7. Sea Surface Wave Information Using GPS Sea Reflected Signal - Wave Height -: S. Okuda, Y. Arai, Marine Technical College, Japan; N. Kouguchi, Kobe University, Japan
8. Next Generation Differential GPS Architecture : A. Cleveland, D. Wolfe, M. Parsons, U.S. Coast Guard; B. Remondi, K. Ferguson, M. Albright, The XYZs of GPS, Inc.

Alternates
1. EGNOS Terrestrial Regional Augmentation Networks Based on AIS for River Information Services: M. Jandrisits, via donau, Austria; J.C. de Mateo, European Space Agency; G. Abwerzger, TeleConsult Austria
2. Ship´s Berthing Aids Based on GPS Velocity Integration Method : Y. Nakama, Y-j. Yoo, N. Kouguchi, Kobe University, Japan

1. A Candidate for the Galileo L1 OS Optimized Signal: G.W. Hein, J.A. Avila-Rodriguez, L. Ries, J. Godet, T. Pratt, J-L. Issler, University FAF Muhich, Germany
2. Revised Combined Galileo/GPS Frequency and Signal Performance Analysis: J.A. Avila-Rodriguez, G.W. Hein, M. Irsigler, S. Wallner, University FAF Munich, Germany
3. Interference Computations Between GPS and Galileo: S. Wallner, G.W. Hein, T. Pany, J.A. Avila-Rodriguez, University FAF Munich, Germany
4. Acquisition Performance Analysis of Composite Signals for the L1 OS Optimized Signal: V. Heiries, TeSA/SUPAERO, France; J-A. Avila-Rodriguez, M. Irsigler, G.W. Hein, University FAF Munich, Germany; E. Rebeyrol, ENAC, France; D. Roviras, TeSA/ENSEEIHT, France
5. Combinatorial Loss in Satellite Acquisition : S. Turunen, Nokia Corporation, Finland
6. Interference and Indoor Channel Propagation Modeling Based on GPS Satellite Signal Measurements: A. Lakhzouri, E.S. Lohan, Tampere University of Technology, Finland; I. Saastamoinen, u-Nav Microelectronics, Finland; M. Renfors, Tampere University of Technology, Finland
7. The Role of Simulation in Galileo: R. Píriz, A. Gavín-Alarcón, A. Mozo-García, GMV, Spain
8. Pulsed Interference and Galileo Sensor Station: J. Giraud, C. Busquet, F. Bauer, D. Flament, Alcatel Space Industries, France

Alternates
1. Optimal Pulsing Schemes for Galileo Pseudolite Signals: T.L. Abt, F. Soualle, S. Martin, EADS Astrium GmbH, Germany
2. High Performance Receiver Front-End for Multiple Galileo Frequencies: F. Forster, A. Carrera, M. Overbeck, O. Otaegui, G. Rohmer, Fraunhofer IIS, Germany

1. An Intelligent MEMS IMU/HSGPS Integration System for Vehicular Navigation in Urban Canyons: J-H. Wang, Y. Gao, The University of Calgary, Canada
2. MEMS Based INS Tracking of Personnel in a GPS-denied Environment: P.W. Kasameyer, L. Hutchings, Acceleron Technologies, LLC; M.F. Ellis, Ellis & Grant, Inc.; R. Gross, Acceleron Technologies, LLC.
3. MMQ-G, A Low Cost MEMS INS-GPS: R. Jaffe, H. Qi, P. Carter, BEI Systron Donner Inertial Division; A.M. Madni, BEI Technologies, Inc.
4. Modeling IMU Performance in High Dynamic Environments for GPS Coupling Algorithms: D.M. Bevly, Auburn University
5. Helicopter Ship Board Landing System: T. Ford, NovAtel Inc., Canada; M. Hardesty, Boeing Corp; M. Bobye, NovAtel Inc., Canada
6. A UKF Based GPS/DR Positioning System for General Aviation: D. An, J.A. Rios, D. Liccardo, Crossbow Technology
7. Testing GPS/INS Integration for Autonomous Mini and Micro Aerial Vehicles: S. Winkler, H.-W. Schulz, M. Buschmann, P. Voersmann, Technical University of Braunschweig, Germany
8. GPS and Low Cost INS Integration for Positioning in the Urban Environment: C. Hide, T. Moore, University of Nottingham, U.K.

Alternate
1. Performance of GPS Receivers and Hybrids under High Dynamics: A.R. Pratt, QinetiQ Ltd, UK; D.G. Powell, US Navy

1. Deflection Monitoring of the Forth Road Bridge by GPS: G.W. Roberts, The University of Nottingham, U.K.; C. Brown, Brunel University; X. Meng, The University of Nottingham, U.K.
2. Accuracy Study of a Single Frequency Receiver Using a Combined GPS/GALILEO Constellation: B. Belabbas, A. Hornbostel, M.Z. Sadeque, H. Denks, German Aerospace Center, Germany
3. Separating Receiver Noise and Multipath Effects in Time Series of GPS Baseline Using Harmonic Functions: A. Amiri-Simkooei, Delft University of Technology, The Netherlands
4. Using GLONASS in Combined GNSS Receivers: Current Status: A.E. Zinoviev, Topcon Positioning Systems, Russia
5. Determination of Precise ITRF Positions for Ground-station Satellite Tracking Antennae: S. Leinen, M. Becker, Darmstadt University of Technology, Germany
6. Performance Evaluation of Algorithms for the On-line GPS Quality Control : S.P. Mertikas, K.I. Damianidis, Technical University of Crete, Greece
7. Space Based Real-Time Kinematic GPS for National Geodetic Survey Texas Height Modernization: S.D. Lyle, Texas A&M University; D.M. Mulcare, NOAA, National Geodetic Survey/Texas A&M University
8. Study of Pseudo-Range Error due to Non-Line-of-Sight-Multipath in Urban Canyons: R. Ercek, P. De Doncker, F. Grenez, Universite Libre de Bruxelles, Belgium

Alternate
1. Study on Developing Regional Grid-Based Geoid Model Using GPS and Leveling Data: L-S. Lin, National Chengchi University, Taiwan

1. Deep Integration of Navigation Solution and Signal Processing: T. Pany, R. Kaniuth, B. Eissfeller, University FAF Munich, Germany
2. Novel GNSS Receiver Design Based On Satellite Signal Channel Transfer Function/Impulse Response: C. Yang, Sigtem Technology, Inc.; M. Miller, AFRL/SNRP
3. A Superconducting Digital-Electronics RF Receiver for GNSS Applications: A.M.L. de Escobar, SPAWAR Systems Center, San Diego; H.J. Whitehouse, LMI Scientific
4. GPS Time Tag Using Software GPS Receiver Approach: L.L. Liou, D.M. Lin, J.B. Tsui, J. Schamus, AFRL; J.T. Morton, Miami University
5. Investigating and Measuring the Impact of Ionospheric Scintillation using a GPS Software Receiver: S. Skone, G. Lachapelle, W. Yu, D. Yao, Z. Jiang, University of Calgary, Canada
6. GPS Software Receiver Enhancements for Indoor Use : B. Zheng, G. Lachapelle, University of Calgary, Canada
7. Acquisition and Tracking of the Galileo OAS L1b/c Signal for the Low Cost Mass Market Receiver: P.G. Mattos, ST Microelectronics R&D Ltd., U.K.
8. A Snap-Shot Positioning Approach for a High Integrated GPS/Galileo Chipset: R. Kaniuth, B. Eissfeller, University FAF Munich, Germany; N. Lemke, G. Heinrichs, IfEN GmbH, Germany; H. Ehm, R. Weigel, Friedrich-Alexander University; A. Schmid, A. Neubauer, Infineon Technologies AG; P. Nagel, Fraunhofer Institute Integrated Circuits

Alternate
1. Software Based GNSS Simulator for True Real-Time Applications: A. Brown, S. Ganguly, A. Jovancevic, P. O´Keefe, M. Kirchner, B. Sirpatil, S. Zigic, Center for Remote Sensing, Inc.

1. ATV - FarRendez-Vous Navigation Based on Relative GPS: Narmada, EADS SPACE Transportation, France
2. GPS-Based Attitude Determination for the GP-B Mission: A. Parchuri, A. Ndili, P. Shestople, Stanford University
3. A Differential GPS Correction Method for the Position Determination of a Sounding Rocket: J-C. Juang, Y-F. Tsai, National Cheng Kung University, Taiwan
4. Simplified Precise Orbital Determination Approaches and Results from GPS Measurements Onboard Low Earth Orbiting Satellites: N. Zhou, Y. Feng, Queensland University of Technology, Australia
5. Relative Navigation of High Altitude Spacecraft Using Dual-Frequency Civilian CDGPS: M.L. Psiaki, S. Mohiuddin, Cornell University
6. Evaluation of a Commercial-Off-The-Shelf Dual-frequency GPS Receiver for use on LEO Satellites: J. Leyssens, Septentrio Satellite Navigation, Belgium; M. Markgraf, German Space Operation Center, Germany
7. LEO Dynamic Orbit Enhancement Using Atmospheric and Empirical Force Modeling : T-S. Bae, Ohio State University
8. GPS Use at Geosynchronous Altitude: J. Ruiz, C. Frey, Lockheed Martin

Alternate
1. Current and Future GNSS/GPS Receiver Design for Radio Occultation Missions: C. McCormick, D. Smith, Broad Reach Engineering; C. Rocken, S. Sokolovskiy, University Corporaton for Atmospheric Research

1. Hybrid GPS/Galileo/GLONASS IF Software Signal Generator: A. Constantinescu, R. Landry, I. Ilie, Ecole de Technologie Superieure, Canada
2. Interference and Regulatory Aspects of GNSS Pseudolites : S.Martin, H. Kuhlen, T. Abt, EADS Astrium GmbH, Germany
3. Operational Considerations for C/A Code Tracking Errors Due to Cross Correlation: Z. Zhu, F. van Graas, Ohio University
4. Performance Analysis of a GNSS Receiver Under High Power Satellite and Pulsed RF Interference Conditions: Y.C.J. Lai, M. Surathu, Rockwell Collins
5. GPS Operations Center (GPSOC) Status Focus on GPS User Support: C. Daniels, U.S. Air Force
6. Broadband Interference Cancellation Using Digital Beam Forming and A Software GPS Receiver : Y.T.J. Morton, L.L. Liou, D.M. Lin, J.B.Y. Tsui, Q. Zhou, Miami University
7. Countermeasures for GPS Signal Spoofing: H. Wen, P. Yih-Ru Huang, J. Dyer, A. Archinal, J. Fagan, The University of Oklahoma
8. Civilian GPS Systems and Potential Vulnerabilities: D.J. Hoey, P.H. Benshoof, 746th Test Squadron

1. The Galileo Constellation Design: A Systematic Approach: R. Píriz, B. Martín-Peiró, M. Romay-Merino, GMV, Spain
2. GSTB-V2/A & GSTB-V2/B: The Description of the Payload Operations Design, Development and Implementation for the First GALILEO Experimental Satellites: M.M. Bautista, S. Toribio, A. Birtwhistle, G. Mandorlo, ESA, The Netherlands
3. Assessment of Galileo Key Dependability and Safety Parameters: a Simulation-based Approach: B. Oving, P. Dieleman, NLR, The Netherlands
4. Galileo Navigation and Integrity Algorithms: A. Mozo García, C. Hernández Medel, M.M. Romay Merino, GMV, Spain
5. Implementation of Robust Estimation Algorithms in the Galileo Baseline Integrity Check : P. Paimblanc, C. Macabiau, ENAC, France; B. Lobert, M. Van Den Bossche, S. Lannelongue, Alcatel Space, France
6. Real-Time Station Clock Synchronization for GNSS Integrity Monitoring: J. Mach, I. Deuster, R. Wolf, T. Zink, IfEN GmbH, Germany
7. The GALILEO Program Detailed Design for Timing and Geodesy: The Nexus Between the Large Space Industry and the Scientific Community: M.M. Bautista, GALILEO Project Office; J. Swann, GALILEO Joint Undertaking, J. Hahn, GALILEO Project Office
8. Advanced Signal Processing Techniques in Local User Terminals for Search & Rescue Systems Based on MEO Satellites: C. Fernandez-Prades, P. Closas, J.A. Fernandez-Rubio, Universitat Politecnica de Catalunya, Spain

Alternates
1. Sensitivity Analysis of the Galileo Integrity Performance Dependent on the Ground Sensor Station Network: H. Blomenhofer, W. Ehret, Thales, Germany; E. Blomenhofer, NavPos Systems GmbH, Germany
2. Cost Effective Long-Term Galileo Operations: A. McGarry, J.D. Loizou, VEGA Group plc, U.K.
3. Every Nano-Second Counts: Estimating the Galileo Integrity Chain Clock Offsets Globally in a Single Epoch: M. Ziebart, P. Cross, A. Sibthorpe, P. Arrowsmith, Universty College London, U.K.; W. Ochieng, S. Feng, U. Bhatti, Imperial College London, U.K.; P. Niemann, LogicaCMG, UK

1. Nonlinear Bayesian Filters: Alternatives to the Extended Kalman Filter in the GPS/INS Fusion Systems: Y. Yi, D.A. Grejner-Brzezinska, The Ohio State University
2. Accurate INS/GPS Positioning with Different Inertial Systems Using Various Algorithms for Bridging GPS Outages: S. Nassar, E-H. Shin, X. Niu, N. El-Sheimy, The University of Calgary, Canada
3. Distributed Unscented Kalman Filter for Nonlinear System Estimation: S. Chun, E. Lee, Y.J. Lee, T. Kang, Konkuk University, South Korea
4. Direct Position Solutions From Mixed Ranging Measurements: M.R. Anderson, T.M. Tran, Metron, Inc.
5. Integration of a GSM Receiver with GPS for Integrated Navigation or for Quick Satellite Signal Acquisition: E. Favey, u-blox AG, Switzerland; A. Rempfler, D. Megnet, H. Mathis, University of Applied Sciences, Rapperswil, Switzerland
6. A Knowledge-based Kalman Filter Approach for an Intelligent Pedestrian Navigation System: G. Retscher, Vienna University of Technology, Austria
7. The Development of a GPS/MEMS INS Integrated System Utilizing a Hybrid Processing Architecture: C. Goodall, N. El-Sheimy, The University of Calgary, Canada; K-W. Chiang, National Cheng-Kung University, Taiwan
8. Observability Analysis of Initial Alignment and Its Accuracy Improvement: Y. Zhang, Y. Gao, University of Calgary, Canada

Alternate
1. Passive Navigation Using Local Magnetic Field Variations: J.M. Wilson, R. Kline-Schoder, M. Kenton, P. Sorensen, O. Clavier, Creare Inc.

1. Performance Evaluation of Global Diferential GPS (GDGPS) for Single Frequency C/A Code Receivers: S. Raman, L. Garin, SiRF Technology, Inc.
2. Dual-frequency GPS Precise Point Positioning with WADGPS Corrections: H. Rho, R.B. Langley, University of New Brunswick, Canada
3. Accessing and Processing Real-time GPS Corrections for Precise Point Positioning - User Considerations: P. Collins, Natural Resources Canada; Y. Gao, University of Calgary, Canada; F. Lahaye, P. Heroux, K. Macleod, Natural Resources Canada; K. Chen, University of Calgary, Canada
4. A New RTK Algorithm for Carrier-Phase-Based Precise Point Positioning Based on GR Models: Y. Kubo, S. Kitao, S. Fujita S. Sugimoto, Ritsumeikan University, Japan
5. Evaluation of an Absolute 3D Bathymetric Solution Using Simultaneous Global Differential GPS (GDGPS) and Kinematic Position Solution: E.N. Arroyo-Suarez, Naval Oceanographic Office; J.L. Riley, G.F. Glang, NOAA National Ocean Service
6. MC-UWB Precise Positioning System - Field Tests, Results and Effect of Multipath: H.K. Parikh, W.R. Michalson, R.J. Duckworth, Worcester Polytechnic Institute
7. Real-Time Precise Point Positioning Using Single-Frequency Data : K. Chen, Y. Gao, The University of Calgary, Canada
8. High-Accuracy Point Positioning with Low-Cost GPS Receivers: How Good Can It Get?: T. Beran, R.B. Langley, University of New Brunswick, Canada; S.B. Bisnath, Harvard-Smithsonian Center for Astrophysics; L. Serrano, University of New Brunswick, Canada

Alternates
1. High Sensitivity Assisted GPS Receiver Using Self-Generated SA (Sensitivity Assistance) Data for PNS (Personal Navigation System) Enabled Mobile Phones: C-W. Park, S. Choi, J.B. Yang, J. Yoon, Y-S. Kim, Samsung Electronics, South Korea
2. Improved Positioning Accuracy with High-sensitivity GNSS Receivers and SNR Aided Integrity Monitoring of Pseudo-range Observations: A. Wieser, M. Gaggl, Graz University of Technology, Austria; H. Hartinger, HSNav Navigations/Telematiksysteme GmbH, Austria
3. Dynamical Models with Constraint for Precise RTK Positioning: S. Kitao, Y. Kubo, S. Sugimoto, Ritsumeikan University, Japan; Y. Muto, Hitachi, Ltd.

1. Frequency-Domain Receiver for Modernization GPS Signals via Full-Band Multi-Code Processing: C. Yang, Sigtem Technology, Inc.
2. Acquisition and Fine Acquisition of Weak GPS L2C and L5 Signals Under High Dynamic Conditions for Limited-Resource Applications: N.I. Ziedan, Miami University
3. Trade-off Between Pure Software Based and FPGA Based Base Band Processing for a Real Time Kinematics GNSS Receiver: T. Lueck, M. Bodenbach, J. Winkel, IfEN GmbH, Germany; T. Pany, D. Sanroma, B. Eissfeller, University FAF, Germany; F. Förster, Fraunhofer Institute for Integrated Circuits, Germany
4. Real-Time Software Receiver Tracking of GPS L2 Civilian Signals Using Hardware-in-the-Loop Simulation: B.M. Ledvina, M.L. Psiaki, S.P. Powell, P.M. Kintner, Cornell University
5. On the Tracking Performance of a Galileo/GPS Receiver Based on Hybrid FPGA/DSP Board: F. Dovis, M. Spelat, Politecnico di Torino, Italy; P. Mulassano, C. Leone, Istituto Superiore Mario Boella, Italy
6. Development of High Performance High Update Rate Reference GPS Receiver: A. Soloviev, S. Gunawardena, F. van Graas, Ohio University
7. A Software-Defined GPS and Galileo Receiver: Single-Frequency Approach: K. Borre, Aalborg University, Denmark; D. Akos, University of Colorado
8. High Performance Tracking Algorithms for Software GPS Receiver: D.M. Lin, AFRL/SNRP; J.B.Y. Tsui, Independent Consultant

Alternates
1. Effect of a GPS Anomaly on Different GNSS Receivers: A-L. Vogel, Sofreavia, France; C. Macabiau, ENAC, France; N. Suard, CNES, France
2. Low Cost USB2 Based GPS IF Capture and Play-back System for SW Receivers and Signal Analysis: J. Brenner, C. Iera, A. Gerghi, A. Di Cintio, Nemerix SA, Switzerland
3. Characterisation of the Pseduorange Error Due to Code Doppler Shift in Galileo E5 and L1 Receivers Using the GRANADA Bit-True Simulator: J. Diez, A. Fernández, DEIMOS Space, Spain; J.S. Silva, DEIMOS Engenharia, L. Marradi, Alenia Alenia Space, Italy; V. Gabaglio, Galileo Joint Undertaking

1. Chip-Scale Atomic Frequency References: J. Kitching, S. Knappe, L-A. Liew, P.D.D. Schwindt, NIST; V. Shah, University of Colorado, Boulder; J. Moreland, NIST; V. Gerginov, University of Notre Dame; L. Hollberg, NIST
2. Experimental Characterization of Land-Reflected GPS Signals: S. Esterhuizen, D. Masters, D. Akos, E. Vinande, P. Axelrad, University of Colorado
3. Sensing Ocean, Ice and Land Reflected Signals From Space: Results from the UK-DMC GPS Reflectometry Experiment: S. Gleason, M. Unwin, Surrey Satellite Technology Ltd, U.K.; M. Adjrad, Surrey Space Centre, U.K.
4. Analysis of GNSS Signals as Observed Via a High Gain Parabolic Antenna: M. Pini, Politecnico di Torino, Italy; S. Esterhizen, D. Akos, University of Colorado
5. Gravity Probe B GPS Orbit Determination with Verification by Satellite Laser Ranging: G. Hanuschak, H. Small, D. DeBra, A. Ndili, P. Shestople, Stanford University; K. Galal, NASA Ames Research Center
6. Analysis of Influences of the Satellite Motion on Two-way Satellite Time Transfer Via the Quasi-zenith Satellite (QZS): S. Yokota, Y. Takahashi, M. Fujieda, J. Amagai, K. Kimura, S. Hama, National Institute of Information and Communications Technology, Japan
7. Improvement of the Accuracy of PPS Signal: H. Toyoizumi, M. Genda, K. Yui, T. Yamada, Y. Hieda, Japan Radio Co.,Ltd., Japan
8. An L1C/A-L2CS RF Front-end for Long Antenna-GPS Receiver Links: F. Chastellain, C. Botteron, P-A. Farine, University of Neuchƒtel, Switzerland

Alternates
1. Solar System Positioning System: K. Penanen, T. Chui, Jet Propulsion Laboratory/Caltech
2. Precise Time Transfer GPS Receiver: H. Toyoizumi, M. Genda, M. Saito, Y. Hieda, Japan Radio Co.,Ltd., Japan; Y. Takahashi, H. Saito, National Institute of Information and Communications Technology, Japan

1. Integration of GNSS Bistatic Radar Ranging into an Aircraft Terrain Awareness and Warning System: D. Masters, P. Axelrad, D. Akos, S. Esterhuizen, University of Colorado
2. MMR-Centric Multisensor Integration Architecture for Civil Aviation Applications: R.S.Y. Young, K.M. Jerome, Rockwell Collins Inc.
3. NIORAIM Integrity Monitoring Performance In Simultaneous Two-Fault Satellite Scenarios: P.Y. Hwang, Rockwell Collins Inc.; R.G. Brown, Iowa State University
4. FDE and Positioning Performance In a Multi-Fault Scenario Using GPS and Galileo: Y. Wang, Beijing University of Aeronautics and Astronautic, China
5. RAIM Algorithms Analysis for a Combined GPS/GALILEO Constellation: B. Belabbas, F. Gass, German Aerospace Center, Germany
6. Advanced RAIM Algorithms: First Results: I. Nikiforov, UTT/ISTIT, France; B. Roturier, DTI/SO3/EN Navigation - GNSS, France
7. A New RAIM Method That Efficiently Provides Integrity Function In the Presence of Multiple Faults: Y.C. Lee, The MITRE/CAASD
8. A New Algorithm to Determine the Effect of Satellite Geometry and Biases on Integrity Risk: R. Ioannides, D. Walsh, University of Leeds, U.K.; W. Ochieng, S. Feng, Imperial College London, U.K.

Alternates
1. The Disparity of Parity, Determining Position Confidence Bounds in the Presence of Biases: T. Arthur, Ohio University
2. An Innovative Approach to Overcome GPS Signal Masking During Meneuvers in Aircraft or Satellite: G. Vyasaraj, Deviprasad, R. Vishwanath, S.B. Vijay, Accord Software & Systems Pvt Ltd., India
3. The Giant Project: J. Perez, L. Chocano, M. Aguilera, INECO, Spain

1. First Results of a GNSS Signal Generator Using a PC and a Digital-to-Analog Converter: A. Pósfay, T. Pany B. Eissfeller, University FAF Munich, Germany
2. NovAtel´s Galileo Test Receiver: N. Gerein, M. Olynik, M. Clayton, J. Auld, T. Murfin, NovAtel Inc., Canada
3. Galileo Mono Channel Simulator: A Tool for the New Generation of GNSS Receiver: C. Cornacchini, Space Engineering, Italy; G. Franzoni, Alenia Spazio, Italy; V. Gabaglio, Galileo Joint Undertaking; A. Vernucci, Space Engineering, Italy
4. Overview of Septentrio´s Galileo Receiver Development Strategy: A. Simsky, J-M. Sleewaegen, W. De Wilde, F. Wilms, Septentrio Satellite Navigation, Belgium
5. An Experimental Multi Band Receiver for the German Galileo Test Environment (GATE): T. Lück, M. Bodenbach, J. Winkel, IfEN GmbH, Germany; F. Förster, Fraunhofer Institute for Integrated Circuits, Germany
6. Hybrid GPS/GALILEO Real Time Software Receiver: P-L. Normark, C. Stahlberg, G. MacGougan, NordNav Technologies, Sweden
7. A Demonstration of Galileo Transmitter / Receiver Architecture for Space Applications: P. Blunt, T. Ebinuma, S. Hodgart, University of Surrey, U.K.; M. Unwin, Surrey Satellite Technology Ltd, U.K.
8. Analysis of Differential Acquisition Methods by Using Monte-Carlo Simulations: A.S. Ayaz, University FAF Munich, Germany

Alternates
1. A Combined Galileo/GPS Receiver Implementation on a SOPC(System on a Programmable Chip) Device: C-M. Kim, S-H. Im, J-M. Ko, Y-m. Shin, G-I. Jee, Y-B. Cho, Konkuk University, South Korea
2. Navigation Algorithm Optimisation for Combined Galileo/GPS Receivers with the GRANADA Environment and Navigation Simulator: A. Fernández, P. D´Angelo, J. Diez, DEIMOS Space, Spain; L. Marradi, Alcatel Alenia Space, Italy; V. Gabaglio, Galileo Joint Undertaking
3. Galileo/GPS Receiver Fixed-Point Implementation Using Conventional and Differential Correlation: A. Schmid, A. Neubauer, Infineon Technologies AG, Germany; H. Ehm, R. Weigel, University Erlangen-Nuremberg; C. Guenther, Technical University Munich/German Aerospace Center, Germany

1. Small, Low Power, Low Cost Inertial Sensor Module for Personal Navigation: M. Overbeck, Fraunhofer ISS, Germany; J. Thielecke, LIKE Universitat Erlangen; J. Gutierrez, O. Otaegui, G. Rohmer, Fraunhofer IIS, Germany
2. Improving DGPS Accuracy With Clock Aiding Over Communication Links: P.Y. Hwang, G.A. McGraw, B.A. Schnaufer, D.A. Anderson, Rockwell Collins Inc.
3. Integrated GPS/TOA Navigation Using a Positioning and Communication Software Defined Radio: A. Brown, F. Carpenter, NAVSYS Corporation
4. Performance Analysis of MEMS IMU/HSGPS/Magnetic Sensor Integrated System in Urban Canyons: S. Godha, M.G. Petovello, G. Lachapelle, The University of Calgary, Canada
5. Pressure Altitude Enhanced AGNSS Hybrid Receiver for a Mobile Terminal : J. Kappi, K. Alanen, Nokia Technology Platforms, Finland
6. MEMS-Based Personal Navigator Equipped on the User´s Body : S.H. Shin, C.G. Park, Seoul National University, South Korea; H.S. Hong, J.M. Lee, Samsung Electronics Co., Ltd., South Korea
7. Development of a Low-cost MEMS IMU/GPS Navigation System for Land Vehicles Using Auxiliary Velocity Updates in the Body Frame: X. Niu, N. El-Sheimy, The University of Calgary, Canada
8. Flexible Architecture for Space Navigation: S. Ganguly, A. Jovancevic, Center for Remote Sensing, Inc.

1. Monitoring the Deflection of the Pierre-Laporte Suspension Bridge with the Phase Residual Method: A.P.C. Larocca, R.E. Schaal, University of Sao Paulo, Brazil; M.C. Santos, R.B. Langley, University of New Brunswick, Canada
2. An Investigation in the Use of GPS and INS Sensors for Structural Health Monitoring: C. Hide, S. Blake, X. Meng, G. Roberts, T. Moore, D. Park, University of Nottingham, U.K.
3. Field Results of a GPS/INS-Based Approach to Measuring Ship Flexure Onboard an Aircraft Carrier: M.G. Petovello, K. O´Keefe, G. Lachapelle, M.E. Cannon, University of Calgary, Canada
4. High Accuracy Positioning Using Locata´s Next Generation Technology: J. Barnes, C. Rizos, Mu. Kanli, A. Pahwa, University of New South Wales, Australia; D. Small, G. Voigt, N. Gambale, J. LaMance, Locata Corporation Pty Ltd, Australia
5. Assessment of Multi-source Remote Sensing DEMs with RTK-GPS and Levelling Surveys: H-C. Chang, University of New South Wales, Australia
6. Development of a Test Bed Facility for High Accuracy Positioning in Difficult Environments: T. Moore, C. Hill, C. Hide, University of Nottingham, U.K.; D. Walsh, J. Cooper, R. Ioannides, University of Leeds; W. Ochieng. S. Feng, Imperial College London, U.K.; P. Cross, L. Lau, University College London, U.K.
7. Modeling and Geometry Design for Pseudolite Augmented Airborne DGPS: J.J. Wang, University of New South Wales, Australia
8. Four Carrier-Phase Ambiguity Resolution (FCAR) Algorithm. An Alternative for Galileo OSPF Pre-processing: M. Belló-Mora, A. Fernández, J. Diez, J.F. Martín-Albo, M. Sánchez, DEIMOS Space, Spain

Alternates
1. Dynamic Monitoring of Structures at the Millimeter Level: GPS Versus Displacement Transducers and Accelerometers: A.P.C. Larocca, R.E. Schaal, University of Sao Paulo, Brazil; M.C. Santos, R.B. Langley, D. Kim, University of New Brunswick, Canada
2. Long Baseline GPS RTK Performance in a Marine Environment Using NWP Ray-Tracing Technique Under Varying Tropospheric Conditions: Y.W. Ahn, D. Kim, P. Dare, R. Langley, University of New Brunswick, Canada

1. Frequency-Domain Characterization of GPS Multipath for Estimation and Mitigation: C. Yang, Sigtem Technology, Inc.; A. Porter, AFRL/SNRP
2. Impact of Pseudorandom Noise Codes on Multipath Mitigation: A. Veitsel, M. Zhodzishsky, M. Vorobiev, D. Milyutin, Topcon Positioning Systems, Russia
3. Estimation of Synchronization Parameters Using SAGE in a GNSS-Receiver: F. Antreich, O. Esbri-Rodriguez, German Aerospace Center (DLR), Germany; J.A. Nossek, W. Utschick, Munich University of Technology (TUM), Germany
4. A Novel Channel Model for Land Mobile Satellite Navigation: A. Lehner, A. Steingass, German Aerospace Center (DLR), Germany
5. S-Curve Shaping: A New Method for Optimum Discriminator Based Code Multipath Mitigation: T. Pany, M. Irsigler, B. Eissfeller, University FAF Munich, Germany
6. Multi-channel Extended Kalman Filter for Tracking BOC Modulated Signals in the Presence of Multipath: M. Spangenberg, V. Heiries, A. Giremus, V. Calmettes, Supaero, France
7. Criteria for GNSS Multipath Performance Assessment: M. Irsigler, J.A. Avila-Rodriguez, G.W. Hein, University FAF Munich, Germany
8. The Theory and Performance of NovAtel Inc.’s Vision Correlator: P.C. Fenton, J. Jones, NovAtel Inc., Canada

Alternates
1. An Effective Method for Multipath Mitigation Under Severe Multipath Environments: N. Kubo, A. Yasuda, Tokyo University of Marine Science and Technology; Japan; T. Suzuki, Increment P Corporation, Japan; R. Shibazaki, University of Tokyo, Japan
2. Analysis of P(Y) Code and Carrier Multipath for JPALS Ship and Airborne Receivers: S. Anderson, J.P. Weiss, C. Fenwick, L. Song, P. Axelrad, University of Colorado, Boulder; J. Stevens, R.L. Brinkley, S. Calhoun, ARINC Engineering Services, Inc.

1. A Microwave Based Tracking System for Football: G. Rohmer, N. Franke, R. Dunkler, T. von der Grun, Fraunhofer IIS, Germany
2. Location Determination in Wireless OFDM System: H-j. Bang, J. Chey, S. Park, J.G. Lee, Seoul National University, South Korea; G-I. Jee, Konkuk University, South Korea; H. Jung, M. Hyun, J. Kim, Samsung Electronics, Co. Ltd., South Korea
3. Sharing one Antenna for Electronic Warfare (EW) and GPS Applications: D.M. Lin, L. Liou, AFRL U.S. Air Force; A. Torres, J. Tsui, Spectral Systems Inc.
4. Head Tracking for 3D Audio Using a GPS-Aided MEMS IMU: J. Joffrion, J.F. Raquet, Air Force Institute of Technology
5. Achieving Low Energy-per-fix with A-GPS Cellular Phones: W. Ballantyne, Motorola; G. Turetsky, Sirf Technologies
6. Networked Transport of RTCM via Internet Protocol (Ntrip) - IP-Streaming for Real-Time GNSS Applications: G. Weber, D. Dettmering ,BKG, Germany; H. Gebhard, University of Dortmund, Germany; R. Kalafus, Trimble Navigation
7. Enhanced Assisted Barometric Altimeter A-GPS Hybrid Using the Internet: K. Alanen, J. Käppi, Nokia Inc., Finland
8. "Compliance of NovAtel´s GPS-702L Antenna to the EU´s new WEEE (Waste Electrical and Electronic Equipment) and RoHS (Restriction of the use of Certain Hazardous Substances) Directives": G. Paynter, V. Banas, NovAtel Inc., Canada

Alternates
1. Natural Disasters Inference Form GPS Observations: Case of Earthquakes and Tsunami: M. Abdel-salam, The University of Calgary, Canada
2. Application of Interpolation to Mobile Phone Fingerprinting for Positioning : B. Li, A. Dempster, C. Rizos, University of New South Wales, Australia; H.K. Lee, Hankuk Aviation University, Korea; D. Li, Tsinghua University, China
3. Three Carrier Approaches for Future Global, Regional and Local GNSS Positioning Services: Concepts and Performance Perspectives: Y. Feng, Queensland University of Technology, Australia; C. Rizos, The University of New South Wales , Australia

1. Protection Level Calculation Using Measurement Residuals: Theory and Results: J. Blanch, T. Walter, P. Enge, Stanford University
2. NovAtel´s WAAS GUS Signal Generator and Receiver: J. Auld, A. Manz, L. Nachiyamai, J. Diep, NovAtel Inc., Canada
3. Inmarsat-4 first L1/L5 Satellite: Preparing for SBAS L5 Services: C. Soddu, Inmarsat, U.K.; H. Secretan, J. Ventura-Traveset, ESA EGNOS P.O.; P-Y. Dussauze, CNES support to ESA EGNOS P.O.; R. Pasquali, Telespazio
4. WAAS Performance Evaluation Under Increased Ionospheric Activity: S. Skone, R. Yousuf, University of Calgary, Canada
5. EGNOS Performance at System ORR: X. Berenguer, C. Ruf, J.C. Levy, D. Flament, Alcatel Alenia Space, France; J. Ventura-Traveset, D. Brocard, European Space Agency, France
6. LAAS and WAAS Studies of Slow-Moving Ionosphere Anomalies and Their Potential Impacts: M. Luo, S. Pullen, S. Datta-Barua, G. Zhang, T. Walter, P. Enge, Stanford University
7. APEC GNSS Test Bed Service Volume Study: S.-S. Jan, National Cheng Kung University, Taiwan; T. Walter, Stanford University
8. EGNOS and Other SBAS System Behaviours Facing Various Conditions: F. Froment, D. Debailleux, D. Flament, Alcatel Alenia Space, France ; J. Ventura-Traveset, C. Montefusco, European Space Agency,France; E. Tapias, GMV, Spain

Alternates
1. Cross-Correlations and False Alarms: How Indicative is Space Environment Data of WAAS Availability?: S. Datta-Barua, T. Walter, J. Blanch, P. Enge, Stanford University
2. An Efficient Worst User Location Algorithm for the Generation of the Galileo Integrity Flag: S. Feng, W.Y. Ochieng, Imperial College London, U.K.
3. GPS-WAAS Static Error Analysis Using Wavelet Decomposition and Spectral Estimation: J.W. Dyer, V.E. DeBrunner, University of Oklahoma; G. McCartor, Federal Aviation Administration; J.E. Fagan, University of Oklahoma

1. Methodologies for Handling GPS Raw Measurements Noise: Unknown Noise Magnitude: M.F. Abdel-Hafez, American University of Sharjah, United Arab Emirates; W.R. Williamson, SySense Incorporated; J.L. Speyer, University of California, Los Angeles
2. Accounting for Timing Biases Between GPS, Modernized GPS and Galileo Signals: C. Hegarty, The MITRE Corporation; E. Powers, B. Fonville, U.S. Naval Observatory
3. Inertially-aided GPS Signal Re-acquisition in Poor Signal to Noise Environments and Tracking Maintenance Through Short Signal Outages: P.D. Groves, D.C. Long, QinetiQ, U.K.
4. On-Orbit Performance of the Improved GPS Block IIR Antenna Panel : W. Marquis, D. Reigh, Lockheed Martin Space Systems Company
5. Modernized GPS Signals and the Impact on the Test and Evaluation at the Ranges: L.Morris, L-3 Communications/IEC
6. Japanese Regional Navigation Satellite System "The JRANS Concept": H. Takahashi, Itochu Corporation, Japan
7. A Unique L2C Radio for Research and Development Using Modernized GPS Signal: S.M. Deshpande, A. Kumar, H.N, Suhas, J.K. Ray, R.A. Nayak, Accord Software & Systems, India
8. Role of Signal Multiplex Techniques in Satellite Channel Availability - With Applications to Galileo: A.R. Pratt, J.I.R. Owen, DSTL, U.K.

1. HELIMAP: Rapid Large Scale Mapping Using Handheld LiDAR/CCD/GPS/INS Sensors on Helicopters: J. Skaloud, EPFL, Switzerland; J. Vallet, UW+R; K. Keller, KMS; G. Veyssere, O. Kolbl, EPFL, Switzerland
2. Unmanned Helicopter Borne 3D Mapping System by Multi-sensor Integration: M. Nagai, T. Chen, The University of Tokyo, Japan; H. Kumagai, Tamagawa Seiki Co., Ltd.; R. Shibasaki, The University of Tokyo, Japan
3. Successful Application of GPS-derived Water Vapor to the Improvement of the Estimation of Surface Deformation From InSAR: Z. Li, P. Cross, J-P. Muller, University College London, UK
4. Integrating Photogrammetry and GPS at the Measurement-Level: C. Ellum, N. El-Sheimy, University of Calgary, Canada
5. Vision-Aided Inertial Navigation Using a Geomatics Approach: F.A. Bayoud, Ecole Polytechnique Federale de Lausanne, Switzerland
6. Low-cost Calibration of a Camera/IMU System Using Stellar Measurements: M.J. Veth, J.F. Raquet, Air Force Institute of Technology
7. Performance Comparison Between Point and Differential GPS/INS Systems: Y. Zhang, Y. Gao, University of Calgary, Canada
8. Remote Sensing Using Bistatic GPS and a Digital Beam Steering Receiver: A. Brown, NAVSYS Corporation

Alternates
1. Rapid Response GIS Mapping in Disaster Areas. The MapAction Experience: R. Lorimer, Position One Consulting, Australia
2. Highly Integrated GPS/EGNOS Receiver Chipset for Search And Rescue (SAR): M. Overbeck, Fraunhofer IIS, Germany; G. Wistuba, IMST GmbH; O. Otaegui, Fraunhofer IIS, Germany; S. Haas, IMST GmbH; B. Niemann, Fraunhofer IIS, Germany; F. Henkel, IMST GmbH; G. Rohmer, Fraunhofer IIS, Germany

1. On the Influence of Different Network Correction Formats on Network RTK Performance: X. Chen, A. Deking, H. Landau, R. Stolz, U. Vollath, Trimble Terrasat GmbH, Germany
2. GPS Network RTK Performance Under Very Active Ionospheric Conditions: N. Luo, D.T.H. Dao, G. Lachapelle, E. Cannon, The University of Calgary, Canada
3. RTCM 3.0 Implementation in South Alberta Network: M. Lin, The University of Calgary, Canada
4. Network RTK Quality Indication Using Linear Interpolation Residuals: H.-J. Euler, P. Alves, F. Takac, S. Seeger, J. Wirth, N. Brown, Leica Geosystems, Switzerland
5. Precise Instantaneous Network (PIN) Positioning - Direct and Inverse Network RTK Approaches: Y. Bock, J. Fayman, D. Honcik, P. de Jonge, L. Bock, Geodetics, Inc.
6. On the Performance of Virtual Reference Stations Under Disturbed Ionosphere Conditions: Y. Memarzadeh, Delft University of Technology, The Netherlands
7. PPP-RTK: Precise Point Positioning Using State-Space Representation in RTK Networks: G. Wuebbena, M. Schmitz, A. Bagge, Geo++, GmbH, Germany
8. Performance Assessment of the New Rapid-Static Module of the Online Positioning User Service - OPUS-RS: D.A. Grejner-Brzezinska, I. Kashani, P. Wielgosz, The Ohio State University; G.L. Mader, D. Smith, D. Robertson, National Geodetic Survey, NOS/NOAA ; A. Komjathy, NASA, JPL

Alternates
1. A Global Virtual Reference Frame Based on NASA´s Global Differential GPS System: L.J. Romans, M.J. Armatys, Y.E. Bar-Sever, B.A. Iijima, R.F. Meyer, R.J. Muellerschoen, JPL
2. GPS Network-Based Approach to Mitigate Residual Troposheric Delay In Low Latitude Areas: T.A. Musa, S. Lim, C. Rizos, The University of New South Wales, Australia

1. Multipath Detection, Characterization and Mitigation in a Real-Time Receiver: S. Ganguly, N. Bhatia, Y.J. Lee, S. Zigic, B. Sirpatil, C. Loos, M. Kirchner, A. Jovancevic, Center for Remote Sensing, Inc.
2. Development of a Real-Time Multipath Monitor Based on Multi-Correlator Observations : M. Irsigler, G.W. Hein, University FAF Munich, Germany
3. Use of the Correct Satellite Repeat Period to Characterize and Reduce Site-specific Multipath Errors: B. Jones, P. Axelrad, K. Larson, University of Colorado, Boulder
4. Analysis of Variations of GPS Multipath Sideral Day-to-Day Repeatability Based on CVVF Method: X.L. Ding, P. Zhong, W.J. Dai, Hong Kong Polytechnic University, China; D.W. Zheng, Chinese Academy of Sciences; W. Chen, Hong Kong Polytechnic University, China
5. GNSS Multifrequency Receivers in Urban Environment: Theoretical Analysis: M. Musso, University of Genoa Italy; G. Gera, University of Genova; A. Cattoni, C.S. Regazzoni, University of Genoa Italy
6. More Results From the Investigation of Airborne Multipath Errors: T. Murphy, Boeing Commercial Airplanes; J. Booth, M. Harris, P. Geren, R. Snow, Boeing Phantom Works; B. Clark, J. Burns, T. Urda, Federal Aviation Administration
7. Detection of Ground Reflection Multipath for Airborne Antennas: Z. Zhu, F. van Graas, Ohio University
8. Aircraft Carrier Multipath Modeling for Sea-Based JPALS: J.P. Weiss, S. Anderson, C. Fenwick, L. Song, D. Masters, P. Axelrad, University of Colorado, Boulder; S. Calhoun, R.P. Pennline, ARINC Engineering Services, LLC

Alternates
1. Keeping a Stand-Alone Receiver on the Road in Hard Urban Environments: J. Brenner, A. Di Cintio, A. Genghi, NemeriX SA, Switzerland
2. GPS Multipath Estimation and Mitigation via Polarization Sensing Diversity With Parallel Iterative Cross Cancellation: C. Yang, Sigtem Technology, Inc.; A. Porter, AFRL/SNRP

1. Indoor GPS Signal Replication Using A Hardware Simulator: T. Hu, G. Lachapelle, R. Klukas, The University of Calgary, Canada
2. An Indoor Positioning System using GPS Repeaters and AOA Measurements: J-C. Cousin, GET / ENST, France; N.Samama, A. Vervisch-Picois, GET / INT Evry, France
3. Flight Test Using Pseudolite Navigation System: T. Lee , C. Kee, Seoul National University, South Korea
4. E-GPS: Indoor Mobile Phone Positioning on GSM and W-CDMA: P.J. Duffett-Smith, B. Tarlow, Cambridge Positioning Systems Ltd., U.K.
5. Indoor Positioning Using Time Synchronized Switching GPS Repeater: G-I. Jee, J-H. Lee, S-H. Im, Konkuk University, South Korea
6. A New GNSS Augmentation Technology: Terralite eXtended Positioning Signal (XPS) Applications and Results: K.R. Zimmerman, H.S. Cobb, F.N. Bauregger, S. Alban, P.Y. Montgomery, D.G. Lawrence, Novariant
7. Indoor Positioning Using Frequency Translators: H. Mathis, D. Megnet, T. Kneubühler, University of Applied Sciences Rapperswil, Switzerland; A. Thiel, E. Favey, u-blox AG, Switzerland
8. Open Source Software for Commercial Off-the-Shelf GPS Receivers: A. Greenberg, Portland State Aerospace Society; T. Ebinuma, Mitsubishi Electric Corporation, Japan

Alternates
1. OpenSource GPS: Open Source Software for Learning About GPS: C. Kelley, OpenSource GPS; D. Baker, GPS Creations
2. 3D Indoor Velocity Vector Determination using GNSS Based Repeaters: M. Fran‡ois, N. Samama, GET / INT Evry, France; A. Vervisch-Picois, GZT/INT Envry, France

1. Flight Test Results of a MOPS Compliant LAAS System to Provide Guided Straight and Curved Path Departures and Missed Approaches : P.Y. Huang, H. Wen, J. Dyer, J. Fagan; University of Oklahoma; G. McCartor, FAA
2. Performance and Availability Analysis of a Simple Local Airport Position Domain Monitor for WAAS: C.A. Shively, R. Niles, T.T. Hsiao, The MITRE Corporation
3. Integrating WAAS into LAAS to Improve the Integrity of LAAS: H. Wen, P.Y. Huang, J. Dyer, A. Archinal, J. Fagan, The University of Oklahoma
4. Availability Modeling for Sea Based JPALS: G. Romrell, J. Wright, J. Hansen, Sierra Nevada Corporation
5. Sea-Based JPALS Relative Navigation Algorithm Development: S. Dogra, J. Wright, J. Hansen, Sierra Nevada Corporation
6. Performance of Integrity Monitoring Techniques for Shipboard Relative GPS Landing Systems: C. Mather, A. Macaulay, S. Mole, J. Goddard, QinetiQ Ltd, U.K.
7. GPS Receiver Performance Using Inertial-Aided Carrier Tracking Loop : T-Y. Chiou, Stanford University
8. Initial GBAS Experiences in Europe: A. Lipp, Eurocontrol, France; A. Quiles, Pildo Labs; W. Dunkel, DFS; S. Grand-Perret, Eurocontrol, France

Alternate
1. JPALS Performance Model Using a Flexible Simulation Framework: A. Brown, P. O´Keefe, A. Jovancevic, S. Ganguly, Center for Remote Sensing, Inc.

1. Field Test Assessment of Assisted GPS and High Sensitivity GPS Receivers Under Weak / Degraded Signal Conditions: S. Singh, M.E. Cannon, R. Klukas, The University of Calgary, Canada
2. "Assisted GPS: Current Status, Practical Results and Future Developments": A. Sage, Helios Technology, Ltd., U.K.; A. Pande, SiRF Technology Inc.
3. E911 Implementation for Automotive Applications: J. Liu, K. Hasegawa, M. Wakamori, K. Ogawara, M. Ronning, L. Fay, N. Hayashi, Sony Electronics Inc.; B. Osborn, Sony Ericsson Inc.
4. Availability of GNSS for Road Pricing in Copenhagen: A.B.O. Jensen, M. Zabic, H.M. Overoe, B. Ravn, O.A. Nielsen, Technical University of Denmark
5. Galileo´s Public Regulated Service (PRS) - Future Perspective and Benefits: X. Bertran, A. Vidal, EADS SPACE Services, France
6. Concept of an Emergency Response Activity Support System Using the GNSS and IT Technology: K. Ishibashi , M. Fujioka, H. Kaji, Keio Univeristy, Japan
7. Provision of Emergency Communication Messages Through SBAS: The ESA ALIVE Concept: A.R. Mathur, J. Ventura-Traveset, C. Montefusco, R. Toran, European Space Agency, France; H.P. Plag, University of Nevada; L.Ruiz, Galileo Joint Undertaking, Belgium; I.Stojkovic, European Space Agency, The Netherlands; J.C. Levy, Alcatel Alenia Space, F
8. Performance Analysis of MEMS Based Pedestrian Navigation Systems: D. Kubrak , C. Macabiau, ENAC, France; M. Monnerat, Alcatel Space, France

Alternates
1. Compass Assisted GPS for LBS Applications: M.D. Amundson, Honeywell
2. Expected Performances of Mass-market Applications in the Future Galileo/GPS Scenario: A.J. Gavin-Alarcon, A.J. Munoz, GMV, Spain
3. Integrity: A Key Enabler for Liability Critical Applications: T.W. Beech, GMV Space Systems Inc. USA; M.A. Martinez-Olague, J. Cosmen-Schortmann, GMV S.A., Spain