ION GPS-94 Proceedings ATTITUDE DETERMINATION (also see Spacecraft Orbit and Attitude Determination) Assessment of a Non-Dedicated GPS Receiver System for Precise Airborne Attitude Determination Dr. M. Elizabeth Cannon and Huangqi, The University of Calgary; Todd Owen and Mark Meindi, Sandia National Laboratories 645-654 Techniques to Achieve Ultra-Precise Attitude Determination for Large Baselines Steven Karels and Thomas Macdonald, TASC; Dr. Mats Viggh, Transmission Lines, Inc.; Robert BalIa, Ground Based Radar Project Office 667-673 Dynamic GPS Attitude Performance Using INS/GPS Reference C. McMiIIan, Defence Research Establishment Ottawa; Dale Arden, Dale Arden Consulting; Gerard Lachapelle and Gang Lu, The University of Calgary 675-682 Instantaneous GPS Attitude Tests: Cycle Ambiguity Resolved Geoffrey Hazel and Stacey Smith, Adroit Systems, Inc. 683-688 Design Considerations and Operational Results of an Attitude Determination Unit Mark Kuhl, Dr. Xinhua Qin, and William Cottrell, Ashtech, Inc. 689-696 Analysis of Angular Velocity Determination Using GPS Paul Montgomery, Dr. Hirohiko Uematsu, and Dr. Bradford Parkinson, Stanford University 697-706 A New Method of Instantaneous Ambiguity Resolution Don Knight, Knight Systems 707-716 Antenna Baseline and Line Bias Estimation Using Pseudolites for GPS-Based Attitude Determination Dr. Hirohiko Uematsu and Dr. Bradford Parkinson, Stanford University 717-726 CIVIL AIRBORNE NAVIGATION AND SURVEILLANCE GPS and Air Traffic Control: Start With a Clean Sheet of Paper Donald Tilden, Embry-Riddle Aeronautical University 909-911 Communication Protocols for GPS-Based Surveillance and TCAS Ran Gazit and Dr. J. David Powell, Stanford University 923-932 Jammers In the Commercial World of GPS Blane Wollschlager, Rockwell 933-937 Aircraft Surveillance Based on GPS Position Broadcasts from Mode S Beacon Transponders Edward Bayliss, Robert Boisvert, Michael Burrows, and William Harman, MIT Lincoln Laboratory 939-950 Aspects Concerning Civil GNSS Ph. Hartl and K-H. Thiel, Institute of Navigation, University of Stuttgart 951-954 Accurate Positioning In a Flight Inspection System Using Differential Global Navigation Satellite Systems Cecelia Feit and Martin Bates, Sierra Research 955-964 The Use of Airborne Differential GPS to Detect Coordinate and Calibration Errors In DME Navigation Aids Prof. Vidal Ashkenazi, Dr. Terry Moore, and Dr. Chris Hill, IESSG; Dr. John Storey, Rowland Rawlings, and Conrad Cleasby, EUROCONTROL 965-972 Future Developments In Digital Photoflight Navigation: Visual Aided Mission Planning and Satellite Aided Navigation Copilot Dr. Günter Hein, Dr. Bemd Eissfeller, and Jurgen Pielmeier, University FAF 1107-1115 A Summary of GPS SPS Performance as Observed by the FAA’s GPS Performance Analysis Network J.C. Johns, FAA Satellite Program Office; Rob Conley, Overlook Systems Technologies, Inc. 1117-1125 Interference to GNSS Receivers in the Civil Aviation Environment Mark Johnson, Rockwell 1127-1136 Flight Test Results of Autocoupled Approaches Using GPS and Integrity Beacons Clark Cohen, David Lawrence, Boris Pervan, H. Stewart Cobb, Andrew Barrows, J. David Powell, and Bradford Parkinson, Stanford University; Victor Wullschleger & Steve Kalinowski, FAA Tech. Center 1145-1153 DGPS Navigates Forestry Vehicles In Real-lime GEOGRAPHIC INFORMATION SYSTEMS (GIS) GPS/GIS and Space Time Data Dr. Ewan Masters, Bemd Hirsch, and Ken Wong, The University of New South Wales 61-69 Innovative Integration of GPS, Radiological Measuring Equipment, and GIS to Conduct Radiological Walkover Survey Celeste Barry, Jeff Sims, and Carl Efird, Bechtel National, Inc. 71-77 GPS In Swedish Forestry Sverker Johansson, SkogForsk, The Forestry Research Institute of Sweden 79-83 GIS Data Collection Using the GPSVan Supported by a GPS/lnertial Mapping System Dr. Josef Coetsee and Dr. Alison Brown, NAVSYS; Dr. John BossIer, Ohio State University 85-93 Compact Circuitry for GLONASS Reception IONOSPHERE AND EARTH OBSERVATION Ionospheric Amplitude and Phase Fluctuations at the GPS Frequencies Dr. Jules Aarons, Boston University; Santimay Basu, Phillips Laboratory 1569-1578 Ionospheric Effects on GPS and DGPS in Polar Regions James Clynch, Naval Postgraduate School; Carl Henry, NISE-West San Diego 1579-1587 Statistics of Time Rate of Change of Ionospheric Range Delay Patricia Doherty and Eric Raffi, Boston College; John Klobuchar, Phillips Laboratory; Dr. M. Bakry El-Arini, The MITRE Corporation 1589-1598 Extracting Ionospheric Measurements from ‘GPS In the Presence of Anti-Spoofing Brian Wilson and Anthony Mannucci, Jet Propulsion Laboratory 1599-1608 Enhanced Ionospheric Delay Compensation Using GLONASS Jacques Beser and Anushia Balendra, 3S Navigation 1609-1617 Operational Expendable GPS Sensors for Earth Observation Peter MacDoran, Kenn Gold, Dr. William Schreiner, Fred Ziel, Michael Mathews, and Steven Anderson, International Series Research, Inc.; David Call, Atmospheric Instrumentation Research, Inc. 1619-1625 Radiosonde Measurement of the Atmosphere Using GPS Positioning Data Michael Alexander, U.S. Army 1627-1635 GPS Software Development for Use in Aerogravimetry: Strategy, Realization, and First Results Guochang Xu, Klaus HehI, & DetlefAngermann, GeoForschungsZentrum Potsdam Telegrafenberg 1637-1642 Air Force Ionospheric Measuring System Supports Global Monitoring and Mitigation of Effects on AF Systems Gregory Bishop, Phillips Laboratory, Daniel Eyring, Charles Stark Draper Laboratory, Kevin Scro, Capt Sue Deissner, and Capt. Devin Della-Rose, Air Force Space Forecast Center; Capt. William Cade, Air Force Space Command, Nick Ceaglio, Sacramento Air Logistics Center; Maj. Matt Colello, Air Weather Service/DOO 1643-1651 Analysis of the Temporal Stability of GPS and GLONASS Group Delay Correction Terms Seen In Various Sets of Ionospheric Delay Data Gregory Bishop, Phillips Laboratory; David Walsh and Peter Daly, University of Leeds; Andrew Mazzella, ROP Incorporated; Elizabeth Holland, Northwest Research Associates 1653-1661 The International GPS Service for Geodynamics - Benefits to Users James Zumberge and Ruth Neilan, Jet Propulsion Laboratory; Gerhard Beutler and Werner Gurtner, University of Borne 1663-1666 TIDGET Tracking at the Edge of Space Alison Brown, Amir Matini, and Bruce Johnson, NAVSYS Corporation; Jack Crabtree, Edge of Space Sciences 1667-1673 Neural Network Loran-C Calibration Using GPS Dr. Alexey Cherepakhin, Dr. Yaokun Zhong, and Daniel Greenwood, NETROLOGIC, Inc. 407-416 Using Low Cost Inertial Sensors for Integrated Satellite-Inertial Navigation Stefan Vieweg, Institute of Flight Guidance and Control, TU Braunschweig 417-425 Operational Results in a Full-Integrated Aircraft Navigation System with Standard Avionic Using DGPS, MLS and DME/P M.A. Martinez and Dr. M. Perez, GMVS.A ; A. Roman and L Andrada, Aeropuertos Españoles y Navegacion Aérea - AENA 427-442 A Universal GPS/INS Kalman Filter Design Gene Howell and Dr. Wang Tang, ARINC Research Corporation 443-451 Precise DGPS and Self Calibrating Laser Altimetry for Airborne Marine Geoid Determination A. Geiger, M. Cocard, V. Peter, and H-G. Kahle, GGL-ETHZ 471-476 Silicon Inertial and GPS Guidance for Gun Launched Munitions Mahendra Singh, Waddan Systems; John Fraysee, NSWC Dahigren; Sanjai Kohli, STS Inc. 477-482 Development and Testing of a Low Cost Integrated GPS/INS Dr. Klaus-Peter Schwarz and Gengsheng Zhang, The University of Calgary 1137-1144 Use of GPS/INS in the Design of Airborne Multisensor Data Collection Missions (for Tuning NN-based ATR algorithms) Dr. Thomas Kerr Ill, TeK Associates 1173-1188 A GPS/INS Aided Video Camera System for Rapid GIS Surveys in Urban Centers Naser El-Sheimy, The University of Calgary 1357-1366 Integration of INS with Multiple GPS Antennas for Airborne Applications Huangqi Sun, The University of Calgary 1401-1409 INTEGRITY, RAIM, SATELLITE AUGMENTATION A Partial Identification RAIM Algorithm for GPS Sole Means Navigation R. Grover Brown, Iowa State University; John Kraemer, U.S. Department of Transportation; Giau Nim, Volpe National Transportation Systems Center 557-566 A New Approach to GPS Integrity/Availability: Immediate Global Sole Means Without WAAS Dr. John Diesel, Litton Aero Products 567-5 76 Impacts of Ionospheric Fading on GPS Navigation Integrity Gregory Bishop and Dr. Santimay Basu, Phillips Laboratory (A FMC); Elizabeth Holland and James Secan, Northwest Research Associates 577-585 RAIM Availability for Augmented GPS-Based Navigation Systems William Michalson, Jonathan Bemick, Peter Levin, and Per Enge, Worchester Polytechnic Institute 587-595 PPS RAIM Algorithms and Their Performance Karl Kovach, Diane Davis, and Hans Maquet, ARINC 597-607 Autonomous Integrity Monitoring for GPS-Based Precision Landing Using Ground-Based Integrity Beacon Pseudolites Boris Pervan, Dr. Clark Cohen, David Lawrence, H. Stewart Cobb, Dr. J. David Powell, and Dr. Bradford Parkinson, Department of Aeronautics and Astronautics, Stanford University 609-618 RAIM Detection and Isolation Integrity Availability With and Without CAG Dr. Mohan Ananda, Dr. Jum Leung, Dr. Prem Munjal, and Barry Siegel, The Aerospace Corp. ‘619-630 Monitoring Differential GPS Who Will Guard The Guards? Michael Barnes, Racal Survey USA Inc.; Gordon Johnston, Racal Survey Limited, UK 631-637 Optimization of Add-On Satellites to GPS Pierre Janniere and Dr. Erick Lansard, Alcatel Espace; Thieny Boquillon, ENSAE 639-642 LAND AND INTELLIGENT VEHICLE HIGHWAY SYSTEMS (IVHS) Projected Navigation System Requirements for Intelligent Vehicle Highway Systems (IVHS) D. Jim Chadwick, The MITRE Corporation 485-490 Open Architecture, A New Concept In Vehicle Location Systems Lynn Stoddart, TransTrak, Inc. 491-499 Mobiflex Alarm, a Vehicle Location System Based on Open Subsystem Interfaces MARITIME APPLICATIONS Issues Associated with GPS Availability for Certain Marine Applications Dr. Vis Sankaran and Alan Zorn, Dynamics Research Corporation 1413-1419 Overcoming Interference to Reception of GPS at Sea Dr. Nick Ward, Trinity House Lighthouse Services; Dr. RoIf Johannessen, BNR Europe Limited 1421-1427 World Wide Datum Transformation Parameter Retrieval for Marine Navigation Dr. Terry Moore, Dr. Martin Smith, and Mark Dumville, The University of Nottingham 1429-1434 One-Meter Level Kinematic Point Positioning Using Precise Orbits and Satellite Clock Corrections G. Lachapelle, R. Klukas, D. Roberts, and W. Qiu, The University of Calgary; C. McMiIlan, Defence Research Establishment Ottawa 1435-1443 Fault Tolerant Marine Beacons - A New Strategy for Maintaining Continuous DGPS Operations Simon Frost, SAGEM 1445-1449 The Canadian Coast Guard DGPS Project Fred Forbes, Sam Ryan, and Sun Wee, Canadian Coast Guard 1451-1460 Testing the Subsystems of the U.S. Coast Guard DGPS Service Steve Nagengast, LT Nicholas Russo, and Mark Vassaloth, USCGJEECEN; Vincent DiCristofaro, NRAD Warminster 1461-1470 Identification of Dynamic Ship Motion on the Basis of Accuracy Position Measurements Dr. Ralf Fiedler, Michael Gluch, Jens Kirchner, and Dr. Jurgen Majohr, University of Rostock 1471-1477 MILITARY GPS Exploitation for Precision Targeting: Results George Beck, James Dare, Joseph Kaiser, and Carlos Bedoya, McDonnell Douglas Aerospace; Todd Jenkins and Pete Howe, Wright Lab, WPAFB 807-816 Limitations of GPS Jamming Models In Providing Definitive Jamming Assessments Capt. Jay Purvis, U.S. Air Force 817-822 GPS Performance Under Aircraft Masking Conditions: AGM-130 Flight Demonstration with Midcourse Guidance Roy Kerfoot, Jr., Rockwell Tactical Systems Division; Wilmer Mickelson and Larry Vittorini, Rockwell Collins Avionics & Communications Division; John Nielson, Nielson Consultants 823-839 Accuracy Comparison of GPS and an Inverse GPS Locating System Dr. James Watson, Dr. Fred Shimabukuro, and Dr. David Schwartz, The Aerospace Corp. 841-850 Relative GPS Using DME/TACAN Data Link James Waid and Dennis King, E-Systems 851-861 An Analytical Study of Fast Acquisition Issues In GPS Exploitation for Electronic Combat Dr. Sultan Mahmood and Colleen Stewart, Sverdrup Technology, Inc.; Neeraj Pujara, Wright Laboratory 863-870 Analysis of a Completely Integrated INS/GPS Navigation System for Re-Entry Vehicles MULTIPATH EFFECTS AND REDUCTION A Practical Approach to the Reduction of Pseudorange Multipath Errors In a LI GPS Receiver Bryan Townsend and Patrick Fenton, NovAtel Communications Ltd. 143-148 A Special Method of Managing Multipath Effects D. Becker, K. H. Thiel, and Ph. Hartl, Institute of Navigation, University Stuttgart 157-163 Use of Signal-To-Noise Ratio for Multipath Error Correction in GPS Differential Phase Measurements: Methodology and Experimental Results Dr. Penina Axeirad, Christopher Comp, and Peter MacDoran, University of Colorado 655-666 Characterization of Multipath on Land and Sea at GPS Frequencies Jean-Claude Auber and Alain Bibaut, Dassault Bectmnique; Jean-Marie Rigal, Centre Technique Des Moyens d’Essais 1155-1171 NEW PRODUCT ANNOUNCEMENT A New Line of GPS/GLONASS Receivers and Simulators Jacques Beser, 3S Navigation 1045-1053 MODEL GPS-XL The Single Board GPS lime & Frequency Solution Chad Gillease and Bruce Penrod, True Time Inc. 1055-1059 An Open Architecture GPS Receiver Using Just 8 Off-the-Shelf Chips for All-in-View Survey-Quality Positioning at Consumer Prices Philhp Mattos, SGS-Thomson Micro Electronics 1061-1066 NovAtel’s RT2O - A Real Time Floating Ambiguity Positioning System Thomas Ford and Janet Neumann, NovAtel Communications 1067-1076 LANDNAV: A Highly Accurate Land Navigation System for Agricultural Applications John Pointon and Kumar Babu, Del Norte Technology, Inc. 1077-1080 The XR5 12 Channel Kernal Anthony Haddrell, Navstar Systems Ltd. 1081-1085 GPS Sensors for a Variety of Applications Harumasa Hojo, Shigeo Kawashima, Hiroyuki Kida, Mutsuo Hada, and Masakuni Hayashi, Japan Radio Co., Ltd. 1087-1095 POLICY, STATUS, AND INSTITUTIONAL CONCERNS Way Points for Radio Navigation in the 21st Century Olaf Lundberg, INMARSAT 3-15 Maintenance and Enhancement of the World Geodetic System 1984 Stephen Malys and James Slater, Defense Mapping Agency 17-24 Civil GPS Timing Applications David Allan, Allan’s TIME, Inc.; Jack Kusters and Robin Giffard, Hewlett Packard Company 25-32 GPS Dual Use Opportunities Col. Michael Wiedemer, US. Air Force 33-47 A Low-Cost Atomic Clock: Impact on the National Airspace and GNSS Availability John Murphy, Westinghouse; Dr. Trent Skidmore, Ohio University 1329-1336 Time and Clock Issues In WADGPS Dr. Sally Basker and lane Casewell, Racal Research Ltd. 1509-1518 SATELLITE TECHNOLOGY IMPROVEMENTS Recent MCS Improvements to GPS Timing Capt. Steven Hutsell, 2nd Space Operations Squadron, Falcon AFB 261-273 Between Sun and Earth: Solar Pressure State Estimation In the GPS Master Control Station Capt. Ronald Smetek, Jr., U.S. Air Force; John Taylor, IV, Martin Marietta Corporation 275-284 Improved WGS 84 Coordinates for the DMA and Air Force GPS Tracking Sites Everett Swift, Naval Surface Warfare Center 285-292 SPACECRAFT ORBIT AND ATTITUDE DETERMINATION (also see Attitude Determination) GPS Orbit Determination In the Presence of Selective Availability for The Extreme Ultraviolet Explorer Kenn Gold, Angie Reichert, and Dr. George Born, University of Colorado; Dr. Willy Bertiger, Dr. Sien Wu, and Dr. Tom Yunck, Jet Propulsion Lab 1191-1199 A Precision Best Estimated Trajectory Reconstruction for GPS Users Dr. Young Park, McDonnell Douglas Aerospace; Moses Montez, NASA Johnson Space Center 1201-1209 Flight Data Analysis of OREX Onboard GPS Receiver Hiroshi Tomfta, Hideto Suzuki, and Shuichi Matsumoto, National Space Development Agency of Japan; Masatoshi Harigae, National Aerospace Laboratory; Atsushi ltsukaichi, Hiroaki Maeda, and Tomoyuki Miyano, TOSHIBA Corporation 1211-1220 Orbit Determination Techniques for GPS Tracking of Low Altitude Satellites George Davis, Dr. John Ries, Dr. Hyung Rim, Dr. Bob Schutz, and Dr. Byron Tapley, The University of Texas Center for Space Research 1221-1231 Pre-Flight Testing of the SPARTAN GADACS Experiment Frank Bauer, E. Ughtsey, J. McCullough, J. O’Donnell, & A. Schnurr, NASA GSFC; B. Class, L. Jackson, and S. Leiter, Orbital Sciences Corporation 1233-1241 GPS Attitude and Orbit Determination for Space Kurt Brock, Rich Fuller, Dr. Sun Hur-Diaz, and Dr. J. Redden, Space Systems/LORAL 1243-1250 An Integrated GPS Attitude Determination System for JAWSAT Bruce Chesley and Dr. Penina Axelrad, University of Colorado 1251-1261 GPS On-board System for Orbit Determination of CESAR Satellite Janusz Zielinskik POLSPACE Ltd.; Pitor Fraczyk, NAVI Ltd; Jan Kazmiersld, Institute of Aviation; Milena Rutkowska, Space Research Center PAS 1263-1266 Development of a GPS Receiver for Reliable Real-Time Attitude Determination in Space E. Glenn Ughtsey, NASA Goddard Space Flight Center; Dr. Clark Cohen and Dr. Bradford Parkinson, Stanford University 1677-1684 A Low Cost Spacecraft Receiver For Orbit and Attitude Determination Thomas Clark, Doug Vamey, and Frank Bauer, NASA Goddard Space Right Center & AMSAT 1711-1718 A Study of Error Sources Relating to Test and Development of GPS Receivers for Attitude Sensing in Low Earth Orbit Peter Boufton, Northern Telecom Europe Ltd. 1727-1735 SPACECRAFT USER EQUIPMENT Considerations for The Application of GPS In Satellites: GPS System Trade Study James Kronman and Dr. Thomas McElroy, TRW, Inc. 1685-1692 Differential Carrier Phase GPS Techniques for Space Vehicle Rendezvous Kurt Zimmerman and Dr. Robert Cannon, Jr., Stanford University 1693-1700 Design, Integration, and Test of a GPS Receiver on an Inertially Pointed Satellite: A Case Study SURVEY APPLICATIONS Comparison of Methods for Obtaining Absolute WGS 84 Position in Remote Locations John Brown, Dr. M. Elizabeth Cannon, and Douglas Roberts, The University of Calgary; James G. Morgan, Chevron Petroleum Technology Company, Inc. 51-60 The Use of Continuous GPS Tracking for Deformation Studies In Southwestern British Columbia Dr. Herb Dragert & Michael Schmidt, Geological Survey of Canada; Xin Chen, University of New Brunswick 97-103 Real-Time Rapid-Static and Kinematic Surveying at the Centimeter Level and Below Andreas Mathes and Michail Gianniou, Institute of Physical Geodesy 105-113 On the Spectrum of the GPS DD-Ambiguities Dr. Peter Teunissen, Paul de Jonge, and Christiaan Tiberius, Delft University of Technology 115-124 Acceptance of Real-Time Kinematic by the Professional Surveyor Timo Allison, Peter Griffioen, and Nicholas Talbot, Trimble Navigation 329-337 A Comparison of Geodetic Receivers Under A-S Conditions Survey of Baselines Piet Sluiter, Consultant; Jeroen Zomerdijk, Ministry of Transport; George Husti, TU DeIft 339-351 Calibration of Multipath Errors on GPS Pseudorange Measurements Dr. Changdon Kee and Dr. Bradford Parkinson, Stanford University 353-362 Comparison of Several AROF Kinematic Techniques Ronald Hatch, GPS Consultant; Dr. Hans-Juergen Euler, Leica AG 363-370 Determining Deflection of the Vertical with GPS Edward Mogilevsky and Yosef Melzer, Survey of Israel 371-374 Earthquake Research Yields Manhour-Efficient Point with Millimeter Precision Dr. Andrea Donnellan and Dr. Kenneth Hurst, Jet Propulsion Laboratory; Carl Carter and Patricia Romanowski, Allen Osbourne Associates 375-381 GPS Results are Consistent with VLBI Dr. John Gipson, Jim Ryan, Edwin Himwich, and Dr. Tom Clark, Goddard Space Flight Center 383-390 Geodynamic GPS EXTENDED SAGET Network in Central Europe Dr. Janusz Sledzinski, Warsaw University of Technology 391-398 A Batch Least Squares Implementation for Estimating Autonomous GPS Point Positions Annabelle Colestock, Applied Research Lab, University of Texas 399-404 Real-time On-the-Fly Ambiguity Resolution Over Short Baselines In the Presence of Anti-Spoofing Ming Yang, Clyde Goad, and Burkhard Schaffrin, Ohio State University 519-525 Analyses of Continuous GPS Data from the Western Canada Deformation Array Xin Chen, University of New Brunswick 1339-1348 Geometric Information Content in Positioning with GPS Da Kuang, The University of Texas at Austin 1367-1374 TESTING AND SIMULATION Real Time, Multiple Model Simulator Laboratory for GPS Related System Testing 1Lt. Kevin Payne, 46th GTS, Holloman AFB; Rick Kurtz, TRW 729-736 Testing Differential GPS Using Satellite Signal Generators Marvin May and Joe Weiss, NRaD; John Haiges, Galaxy 737-746 Examination of a Distributed Architecture GPS Simulation Test Bed Kevin Baritrop and Bryant Elrod, Stanford Telecom 747-754 The CIGTF High Accuracy Post-Processing Reference System (CHAPS) Capt. Britt Snodgrass and Capt. John Raquet, 46th GTS, Holloman AFB 755-763 GPS Based TSPI for DOD Ranges RAJPO HDIS Test Results UNIQUE APPLICATIONS A Novel Use of GPS for Determining the Orbit of a Geosynchronous Satellite: The TDRS/GPS Tracking Demonstration Dr. Bruce Haines, Dr. Stephen Lichten, Ronald Muellerschoen, Don Spitzmesser, Jeffrey Srinivasan, Scott Stephens, & Dr. Lawrence Young, Jet Propulsion Laboratory; Dr. Dennis Sweeney, Virginia Tech 191-202 Electronic Toll Collection Based on GPS - Experiences With the MANNESMANN Project ROBIN Dr. Uwe Albrecht, Andreas Widl, and Gunther Weber, Mannesmann Piloteniwicklung 205-209 An Application of On-The-Fly Kinematic GPS to an Airborne Laser Terrain Profiling & Imaging System Morgan Reed, Dr. Danusz Lapucha, Kenneth Werther, Jr., and Larry Rosenbalm, John E. Chance & Associates, Inc. 211-219 The Use of GPS Buoys to Calibrate Altimetric Satellites Mike Park, George Born, Penny Axelrad, Kenn Gold, Kevin Key, and Dan Kubitshek, University of Colorado; Tom Kelecy and Jimmy LaMance, NAVSYS Corporation; Chris Rocken and Jim Johnson, UNAVCO; E.J. Christensen, Jet Propulsion Lab; Richard Eanes, University of Texas at Austin 221-230 Solving the 9-1-1 Mapping Problem with GPS Keith Cunningham, Spatial Data Research/Sokkia Technology 231-235 Multisensor GPS-Based Recreational Trail Mapping Dr. James Wolper, Dr. Shamim Mohamed, Idaho State University; Stoney Burt, & Ron Young, AMI, Inc. 237-244 The GPS Burst Detector W-Sensor Dr. Dennis McCrady, ITT A/CD; Paul Phipps, Sandia National Laboratories 245-250 Evaluation of GPS Performance in Mobiflex Alarm, a Vehicle Location System Roger Bengtsson, Telia Research AB 251-258 USER EQUIPMENT TECHNOLOGY Extending Narrow-Correlator Technology to P(Y)-Code Receivers: Benefits and Issues Steven Karels and Thomas Macdonald, TASC; Dr. Mats Viggh, Transmission Lines, Inc.; Robert Balla, Ground Based Radar Project Office 127-132 C/A Code Pseudoranging Accuracy - How Good Can It Get? Dr. Lawrence Weill, Magellan Systems Corporation & California State University, Fullerton 133-14 1 Implications of "Z" Technology for Civilian Positioning Dr. Sergei Gourevitch, Ashtech Inc 149-155 Position Accuracy Improvement Using Fuzzy Processing on GPS Data Dr. Kazunobu Koremura, Michihiro Asakura, & Chiaki Matsumoto, Electronic Navigation Research Inst. 165-172 Software Considerations for the Interrupted Data Acquisition Receiver Gerald Whitworth, Navstar Systems Ltd. 173-178 WIDE AREA AUGMENTATION SYSTEM (WAAS) Simulation-Based Evaluation of WAAS Performance: Risk and Integrity Factors Sam Pullen, Dr. Per Enge, and Dr. Bradford Parkinson, Stanford University 975-983 The Wide Area Augmentation System (WAAS) Signal Specification Dr. A. J. Van Dierendonck, AJ Systems; Dr. Per Enge, Stanford University 985-994 European Complement to GPS: Main Experimental Results |
