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GPS Papers

NAVSYS GPS papers are available for downloading in Adobe PDF or you may request a hard copy via email. The papers are listed below in reverse chronological order.

 2013 Papers

13-09-001

Open Source SDR Platform for GNSS Recording Simulation and Tracking
Proceedings of ION GNSS+ 2013, Nashville, Tennessee, September 2013
(PDF:756k)

 2012 Papers

12-09-001

Broadband GPS Data Capture for Signal and Interference Analysis
Proceedings of ION GNSS 2012, Nashville, Tennessee, September 2012 (PDF:761k)

12-06-002

Distributed Network Opportunistic Positioning (DiNO)
Proceedings of 2012 Joint Navigation Conference, Colorado Springs, Colorado, June 2012 (PDF:622k)

12-05-001

Simulating GPS Signals - It Doesn't Have to be Expensive
GPS World, May 2012 (PDF:1877k)

12-03-002

Unmanned Air Systems - Precision Navigation for Critical Operations
GPS World, March 2012  (PDF:1978k) 

12-03-001

GPS Technologies and Threat Mitigation for Wide Area Sensing
Proceedings of RMTA Wide Area Sensing Conference, Colorado Springs, Colorado, March 2012 (PDF:1582k)

 

 2011 Papers

11-09-004

Dynamic Reconfiguration in a GNSS SDR for Muti-Constellation Operation
Proceedings of ION GNSS 2011, Portland, Oregon, September 2011 (PDF: 501K)

11-09-003

GPS M'-Code and P-Code Signal Simulation Using an Open Source Radio Platform Proceedings of ION GNSS 2011, Portland, Oregon, September 2011 (PDF: 352K)

11-09-002

SAT GEN GNSS Signal Simulation Software
Proceedings of ION GNSS 2011, Portland, Oregon, September 2011 (PDF: 388K)

11-09-001

Precision Navigation for UAS Critical Operations 
Proceedings of ION GNSS 2011, Portland, Oregon, September 2011 (PDF: 1689K)

11-06-002

GPS Signal Simulation using Open Source GPS Receiver Platform 
Proceedings of the 21st Virginia Tech Symposium on Wireless Personal Communications, Blacksburg, Virginia, June 2011 (PDF: 248K)

11-06-001

GPS Distributed Aperture Positioning (GDAP)
Proceedings of the 21st Virginia Tech Symposium on Wireless Personal Communications, Blacksburg, Virginia, June 2011 (PDF: 285K)

 

 2010 Papers

10-12-001

Dynamically Reconfigurable Software Defined Radio for GNSS Applications
Proceedings of SDR 2010 Technical Conference and Product Exposition (PDF:79k)

10-09-001

PPS Positioning in Weak Signal GPS Environments using a TIDGET Sensor
Proceedings of ION GNSS 2010, Portland, Oregon, September 2010  (PDF:118k)

 2009 Papers

09-12-001

Low Power SDR Networked Architecture for Digital Camera Image Tagging
SDR ’09 Technical Conference and Product Exposition, Washington, DC, December 2009 (PDF: 1155k)

09-06-001

GPS/Inertial Micro-Camera for Oceanographic Properties and Shallow Water Hydrography
Joint Navigation Conference 2009, Session A1: Warfighter Requirements & Solutions
(PDF: 3051k)

09-03-001

New GPS Technology Improves Fix Success for Large Animal Collars in Dense Tropical Forests.
Journal of Tropical Ecology (2009), 25:217-221, Cambridge University Press (PDF: 100k)

 

 2008 Papers

  08-11-002

Real-Time Target Geo-Location and Web-Based Situational Awareness Using Tactical UAVs.
UAS Payloads Conference, San Diego, CA, Nov. 2008 (PDF: 7.7MB)

  08-11-001

Low Cost, Low Power Geotagging Solution for Digital Cameras.
Proceedings of International Symposium on GPS/GNSS 2008, Tokyo, Japan, Nov. 2008 (PDF: 285k)

  08-10-001

Indoor Navigation Using a Software Defined Radio.
Proceedings of SDR '08 Technical Conference, Washington, DC, Oct. 2008 (PDF: 265k)

  08-09-007

GNSS Wristwatch Device for Networked Operations Supporting Location Based Services.
Coordinates, Vol. 4, Issue 9, Sep. 2008 (PDF: 950k)

  08-09-006

Near Real-Time Geo-Referenced UAV Imagery Collection and Web-Based Processing on a Server for Targeting and Mapping.
Proceedings of ION GNSS 2008, Savannah, Georgia, Sep. 2008 (PDF: 620k)

  08-09-005

Test Results from a Precise Positioning and Attitude Determination System for Microsatellites Using a Software Define Radio.
Proceedings of ION GNSS 2008, Savannah, Georgia, Sep. 2008 (PDF: 120k)

  08-09-004

Increasing Location Accuracy with Network Augmented GPS for Mine Countermeasures.
Proceedings of ION GNSS 2008, Savannah, Georgia, Sep. 2008 (PDF: 1.2MB)

  08-09-003

Multipath Mitigation Algorithm Results Using TOA Beacons for Integrated Indoor Navigation.
Proceedings of ION GNSS 2008, Savannah, Georgia, Sep. 2008 (PDF: 1.2MB)

  08-04-001

GNSS Wristwatch Device for Networked Operations Supporting Location Based Services.
Proceedings of ENC-GNSS 2008, Toulouse, France, Apr. 2008 (PDF: 1MB)

  08-02-001

A Snapshot GPS Approach for Precise Positioning and Attitude Determination of MicroSatellites.
Proceedings of 31st Annual AAS Guidance and Control Conference, Breckenridge, CO, Feb. 2008 (PDF: 475k)

  08-01-001

Precise Positioning and Attitude Determination of Microsatellites using a Software-Defined Radio.
Proceedings of the ION National Technical Meeting 2008, San Diego, CA, Jan. 2008 (PDF: 112k)

 

  2007 Papers

  07-11-003

Precise Positioning and Attitude Determination of Small Satellites Using a Software-Defined Radio.
Proceedings of SDR Forum 2007, Denver, CO, Nov. 2007 (PDF: 96k)

  07-11-002

Wideband Radar Adaptive Beamforming Using Frequency-Domain Derivative Based Updating.
Proceedings of SDR Forum 2007, Denver, CO, Nov. 2007 (PDF: 137k)

  07-11-001

Constrained Beamforming for Space GPS Navigation.
Proceedings of SDR Forum 2007, Denver, CO, Nov. 2007 (PDF: 223k)

  07-10-001

Web-based Geo-Referenced Image Manager (WebGRIM): Automated correction, processing and management of aerial data.
Proceedings of PCI Geomatics Tower Club Applications Seminar, ViennaVA, Oct. 2007 (PDF: 5MB)

  07-09-003

Flight Test Results of a Video-Aided GPS_Inertial Navigation System.
Proceedings of ION GNSS 2007, Ft. Worth, TX, Sept. 2007 (PDF: 275k)

  07-09-002

An Integrated Software Defined Radio Navigation System for Space.
Proceedings of ION GNSS 2007, Ft. Worth, TX, Sept. 2007 (PDF: 760k)

  07-09-001

Constrained Beamforming for Space GPS Navigation.
Proceedings of ION GNSS 2007, Ft. Worth, TX, Sept. 2007 (PDF: 200k)

  07-02-001

GPS/INS/Star Tracker Navigation Using a Software Defined Radio.
Proceedings of 29th Annual AAS Guidance and Control Conference, Beckenridge, CO, Feb. 2007 (PDF: 525k)

  07-01-003

Virtual Anechoic Chamber Using GPS Signals.
The Journal of Navigation (2007), 60 : 33-43 Cambridge University Press, The Royal Institute of Navigation (PDF: 1MB)

  07-01-002

Test Results from a Novel Passive Bistatic GPS Radar Using a Phased Sensor Array.
Proceedings of the ION National Technical Meeting 2007, San Diego, CA, Jan. 2007 (PDF: 312k)

  07-01-001

GPS Tracking Location-Based Service Using Wristwatch GeoZigBee Sensors.
Proceedings of the ION National Technical Meeting 2007, San Diego, CA, Jan. 2007 (PDF 1.4MB)

 

 2006 Papers

  06-11-003

Implementing a GPS Waveform Under the Software Communication Architecture.
Proceedings of SDR Forum 2006, Orlando, FL, Nov. 2006 (PDF: 600k)

  06-11-002

Integrated GPS/INS/Star Tracker Space Navigation System Using a Software Defined Radio.
Proceedings of SDR Forum 2006, Orlando, FL, Nov. 2006 (PDF: 240k)

  06-11-001

A Wireless GPS Wristwatch Tracking Solution.
Proceedings of SDR Forum 2006, Orlando, FL, Nov. 2006 (PDF: 290k)

  06-10-001

Tracking First Responders.
GPS World, Oct. 2006 (link)

  06-09-005

Indoor Navigation Test Results using an Integrated GPS/TOA/Inertial Navigation System.
Proceedings of ION GNSS 2006, Fort Worth, TX, Sept. 2006 (PDF: 400k)

  06-09-004

GeoZigBee: A Wireless GPS Wristwatch Tracking Solution.
Proceedings of ION GNSS 2006, Fort Worth, TX, Sept. 2006 (PDF: 800k)

  06-09-003

Implementing a GPS Waveform under Software Communications Architecture.
Proceedings of ION GNSS 2006, Fort Worth, TX, Sept. 2006 (PDF: 700k)

  06-09-002

A Robust GPS/INS Kinematic Integrity Algorithm for Aircraft Landing.
Proceedings of ION GNSS 2006, Fort Worth, TX, Sept. 2006 (PDF: 470k)

  06-09-001

Real-Time Web-based Image Distribution Using an Airborne GPS/Inertial Image Server.
Proceedings of ION GNSS 2006, Fort Worth, TX, Sept. 2006 (PDF: 1.4MB)

  06-06-001

Near Real-Time Dissemination of Geo-Referenced Imagery by an Enterprise Server.
Proceedings of 2006 GeoTec Event, Ottawa, Ontario, Canada, June 2006 (PDF: 1.6MB)

  06-05-001

GPS-Based Tracking System for Trauma Patients.
Proceedings of 2006 ATA Annual Conference, San Diego, CA, May 2006 (PDF: 800k)

  06-04-001

Integrated GPS/TOA Navigation using a Positioning and Communication Software Defined Radio.
Proceedings of IEEE/ION Position Location and Navigation Symposium, PLANS 2006, San Diego, CA, Apr. 2006 (PDF: 325k)

 2005 Papers

  05-11-001

Design and Test Results of a Software Defined Radio for Indoor Navigation.
Proceedings of 2005 Software Defined Radio Technical Conference, Orange County, CA, Nov. 2005 (PDF: 365k)

  05-09-004

Remote Sensing Using Bistatic GPS and a Digital Beam Steering Receiver.
Proceedings of ION GNSS 2005, Long Beach, CA, Sept. 2005 (PDF: 543k)

  05-09-003

Integrated GPS/TOA Navigation Using a Positioning and Communication Software Defined Radio.
Proceedings of ION GNSS 2005, Long Beach, CA, Sept. 2005 (PDF: 403k)

  05-09-002

GPS Multipath Mitigation Using a Three Dimensional Phased Array.
Proceedings of ION GNSS 2005, Long Beach, CA, Sept. 2005 (PDF: 272k)

  05-09-001

Testing of Ultra-Tightly-Coupled GPS Operation Using a Precision GPS/Inertial Simulator.
Proceedings of ION GNSS 2005, Long Beach, CA, Sept. 2005 (PDF: 524k)

  05-07-001

Remote Sensing using Bistatic GPS and a Digital Beam-Steering Receiver.
IGARSS 2005, Seoul, Korea, July 2005 (PDF: 475k)

  05-06-002

Urban/Indoor Navigation using Network Assisted GPS.
ION 61st Annual Meeting, Cambridge, MA, June 2005 (PDF: 425k)

  05-06-001

Ultra Low-Power GPS Recorder (TrackTag®).
ION 61st Annual Meeting, Cambridge, MA, June 2005 (PDF: 464k)

  05-03-001

Sonobuoy Position Location using the Military P(Y) Code.
2005 Joint Undersea Warfare Technology Spring Conference, San Diego, CA, March 2005 (PDF: 544k)

  05-01-002

Bistatic Sensing and Multipath Mitigation with a 109-Element GPS Antenna Array and Digital Beam Steering Receiver.
ION 2005 National Technical Meeting, San Diego, CA, Jan. 2005 (PDF: 946k)

  05-01-001

An Array of Digital Antenna Elements for Mitigation of Multipath for Carrier Landings.
ION 2005 National Technical Meeting, San Diego, CA, Jan. 2005 (PDF: 528k)

(to top)

 2004 Papers

  04-11-001

Software Defined Radio Test Bed for Integrated Communications and Navigation Applications.
2004 Software Defined Radio Technical Conference, PhoenixAZ, Nov. 2004 (PDF: 271k)

  04-09-003

GPS/IMU Navigation and Simulation for Higher-Than-GPS Orbits.
ION GNSS 2004, Long Beach, CA, Sept. 2004 (PDF: 643k)

  04-09-002

Precision Maritime Inshore Navigation with a Tightly-Coupled Sensor System.
ION GNSS 2004, Long Beach, CA, Sept. 2004 (PDF: 371k)

  04-09-001

Performance Test Results of an Integrated GPS/MEMS Inertial Navigation Package.
ION GNSS 2004, Long Beach, CA, Sept. 2004 (PDF: 281k)

  04-06-001

PC/104 Test-Bed for Software GPS Receiver (SGR) and Software Defined Radio (SDR) Applications.
MPRG Symposium, Blacksburg, VA, June 2004 (PDF: 464k)

  04-05-001

Test Results of a GPS/Inertial Navigation System Using a Low Cost MEMS IMU.
11th Annual Saint Petersburg International Conference on Integrated Navigation System, Saint Petersburg, Russia, May 2004 (PDF: 388k)

  04-04-001

A Hybrid Integrity Solution for Precision Landing and Guidance.
IEEE Plans, Monterey, CA, Apr. 2004 (PDF: 358k)

  04-03-001

Architecture and Performance Testing of a Software GPS Receiver for Space-based Applications.
IEEEAC, Big Sky, MT, Mar. 2004 (PDF: 797k)

(to top)

 2003 Papers

  03-09-005

Bi-Static Sensing with Reflected GPS Signals Observed with a Digital Beam-Steered Antenna Array.
ION GPS/GNSS 2003, Portland, OR, Sept. 2003 (PDF: 1.1MB)

  03-09-004

Kinematic GPS-Inertial Navigation on a Tactical Fighter.
ION GPS/GNSS 2003, Portland, OR, Sept. 2003 (PDF: 819k)

  03-09-003

A Software GPS Receiver Application for Embedding in Software Definable Radios.
ION GPS/GNSS 2003, Portland, OR, Sept. 2003 (PDF: 715k)

  03-09-002

Phase Center Calibration and Multipath Test Results of a Digital Beam-Steered Antenna Array.
ION GPS/GNSS 2003, Portland, OR, Sept. 2003 (PDF: 1.4MB)

  03-09-001

Navigation Using LINK-16 GPS/INS Integration.
ION GPS/GNSS 2003, Portland, OR, Sept. 2003 (PDF: 511k)

  03-06-002

Space Navigation with Digital Beam Steering GPS Receiver Technology.
ION 59th Annual Meeting, Albuquerque, NM, June 2003 (PDF: 520k)

  03-06-001

A GPS Software Application for Embedding in Software Definable Radios.
13th Virginia Tech Symposium on Wireless Personal Communications, Blacksburg, VA, June 2003 (PDF: 351k)

(to top)

 2002 Papers

  02-11-002

Reprogrammable, Digital Beam-Steering GPS Receiver Technology for Enhanced Space Vehicle Operations.
2002 Core Technologies for Space Systems Conference, Colorado Springs, CO, Nov. 2002 (PDF: 517k)

  02-11-001

High Accuracy Differential and Kinematic GPS Positioning Using a Digital Beam-Steering Antenna.
2002 Core Technologies for Space Systems Conference, Colorado Springs, CO, Nov. 2002 (PDF: 515k)

  02-09-003

Design, Simulation, and Testing of a Miniaturized GPS Dual-Frequency (L1/L2) Antenna Array.
ION GPS 2002, Portland, OR, Sept. 2002 (PDF: 711k)

  02-09-002

Precision Kinematic Alignment Using a Low-Cost GPS/INS System.
ION GPS 2002, Portland, OR, Sept. 2002 (PDF: 307k)

  02-09-001

Rapid Ambiguity Resolution using Multipath Spatial Processing for High Accuracy Carrier Phase.
ION GPS 2002, Portland, OR, Sept. 2002 (PDF: 618k)

  02-06-001

Video Updates During GPS Dropouts Using Navigation and Electro/Optic Sensor Integration Technology.
58th Annual ION Meeting, Albuquerque, NM, June 2002 (PDF: 306k)

  02-05-002

Performance and Jamming Test Results of a Digital Beamforming GPS Receiver.
Joint Navigation Conference 2002, Orlando, FL, May 2002 (PDF: 804k)

  02-05-001

Inertial Navigation Electro-Optical Aiding During GPS Dropouts
Joint Navigation Conference 2002, Orlando, FL, May 2002 (PDF: 444k)

  02-01-002

High Accuracy Autonomous Image Georeferencing Using a GPS/Inertial-Aided Digital Imaging System.
ION National Technical Meeting 2002, San Diego, CA, Jan. 2002 (PDF: 907k)

  02-01-001

Test Results of a Dual Frequency (L1/L2) Small Controlled Reception Pattern Antenna.
ION National Technical Meeting 2002, San Diego, CA, Jan. 2002 (PDF: 420k)

(to top)

 2001 Papers

  01-09-006

GI-Eye II™ GPS/Inertial System for Target Geo-Location and Image Geo-Referencing.
White Paper, Sept. 2001 (PDF: 122k)

  01-09-005

High Accuracy GPS and Antijam Protection Using a P(Y) Code Digital Beamsteering Receiver.
ION GPS 2001, Salt Lake City, UT, Sept. 2001 (PDF: 716k)

  01-09-004

Modular GPS Software Radio Architecture.
ION GPS 2001, Salt Lake City, UT, Sept. 2001 (PDF: 1.1 MB)

  01-09-003

Test Results from a Digital P(Y) Beamsteering GPS Receiver Designed for Carrier-Phase Time Transfer.
ION GPS 2001, Salt Lake City, UT, Sept. 2001 (PDF: 598k)

  01-09-002

Test Results of a 7-Element Small Controlled Reception Pattern Antenna.
ION GPS 2001, Salt Lake City, UT, Sept. 2001 (PDF: 1.3MB)

  01-09-001

Test Results of a Digital Beamforming GPS Receiver in a Jamming Environment
ION GPS 2001, Salt Lake City, UT, Sept. 2001 (PDF: 738k)

  01-06-003

Multipath Characterization Using Digital Phased Arrays.
ION 57th Annual Meeting 2001, Albuquerque, NM, June 2001 (PDF: 642k)

  01-06-002

Test Results from Digital P(Y) Code Beamsteering Receiver for Multipath Minimization.
ION 57th Annual Meeting 2001, Albuquerque, NM, June 2001 (PDF: 487k)

  01-06-001

Advanced GPS Hybrid Simulator Architecture.
ION 57th Annual Meeting 2001, Albuquerque, NM, June 2001 (PDF: 475k)

  01-04-001

TrackTag™ - A Low-Weight, Long-Duration GPS Recording Device.
Royal Institute of Navigation RIN01 Conference on Animal Navigation, Oxford, UK, April 2001 (PDF: 51k)

 01-01-002

Direct P(Y) Code Acquisition Using Electro-Optic Correlator.
ION National Technical Meeting 2001, Long Beach, CA, Jan. 2001 (PDF: 187k)

  01-01-001

High Accuracy GPS Performance Using a Digital Adaptive Antenna Array.
ION National Technical Meeting 2001, Long Beach, CA, Jan. 2001 (PDF: 759k)

(to top)

 2000 Papers

  00-10-001

Small Controlled Reception Pattern Antenna (S-CRPA) Design and Test Results.
26th JSDE Conference, Ventura County, CA, Oct. 2000 (PDF: 335k)

  00-09-005

A Comparison of GPS Performance in a Scintillation Environment at Ascension Island.
ION GPS 2000, Salt Lake City, UT, Sept. 2000 (PDF: 559k)

  00-09-004

Advanced Mini Array Antenna Design
ION GPS 2000, Salt Lake City, UT, Sept. 2000 (PDF: 189k)

  00-09-003

Multipath Rejection Through Spatial Processing
ION GPS 2000, Salt Lake City, UT, Sept. 2000 (PDF: 462k)

  00-06-002

Detection and Location of GPS Interference Sources Using Digital Receiver Electronics.
ION Annual Meeting, San Diego, CA, June 2000 (PDF: 130k)

  00-06-001

Benefits of a Space-Based Augmentation System for Early Implementation of GPS Modernization Signals.
ION Annual Meeting, San Diego, CA, June 2000 (PDF: 334k)

  00-05-004

A GPS Digital Phased Array Antenna and Receiver.
IEEE Phased Array Symposium, Dana Point, CA, May 2000 (PDF: 142k)

  00-05-003

A Perspective on Land Navigation - The Evolution from Man-Packs to Modules.
GNSS 2000, Edinburgh, Scotland, May 2000 (PDF: 214k)

  00-05-002

Miniaturized GPS Antenna Array and Test Results.
GNSS 2000, Edinburgh, Scotland, May 2000 (PDF: 678k)

  00-05-001

High-Gain Advanced GPS Receiver for Precision GPS Applications.
GNSS 2000, Edinburgh, Scotland, May 2000 (PDF: 728k)

  00-03-001

Space Applications of the Global Positioning and Timing Service (GPTS).
the Richard H. Battin Astrodynamics Conference, College Station, TX, Mar. 2000 (PDF: 3.8 MB)

  00-01-006

Modeling and Simulation of GPS Using Software Signal Generation and Digital Signal Reconstruction
ION Technical Meeting, Anaheim, CA, Jan. 2000 (PDF: 162k)

  00-01-004

Kinematic Test Results of a Miniaturized Antenna Array With Digital Beamsteering Electronics.
ION Technical Meeting, Anaheim, CA, Jan. 2000 (PDF: 691k)

  00-01-003

Test Results of a Digital Beamforming GPS Receiver for Mobile Applications.
ION Technical Meeting, Anaheim, CA, Jan. 2000 (PDF: 570k)

  00-01-002

A GPS Receiver Designed for Carrier-Phase Time Transfer.
ION Technical Meeting, Anaheim, CA, Jan. 2000 (PDF: 225k)

  00-01-001

Benefits of Software GPS Receivers for Enhanced Signal Processing.
Alison Brown, NAVSYS Corporation; Marvin May, Penn State University, Applied Research Laboratory; Barry Tanju, Space & Naval Warfare Systems Command.
GPS Solutions, 4(1) Summer, 2000, pp. 56-66 (PDF: 349k)

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 1999 Papers

  99-09-005

Jammer and Interference Location System.
ION GPS ‘99, Nashville, TN, Sept. 1999 (PDF: 262k)

  99-09-004

Miniaturized GPS Antenna Array and Predicted Anti-Jam Performance.
ION GPS ‘99, Nashville, TN, Sept. 1999 (PDF: 946k)

  99-09-003

HAGR DGPS and Kinematic Performance.
ION GPS ‘99, Nashville, TN, Sept. 1999 (PDF: 764k)

  99-09-002

Video Aided GPS-INS Positioning and Attitude Determination.
ION GPS ‘99, Nashville, TN, Sept. 1999 (PDF: 1.0MB)

  99-09-001

Digital Storage Receivers for Enhanced Signal Processing.
ION GPS ‘99, Nashville, TN, Sept. 1999 (PDF: 252k)

  99-08-001

Navigation and Electro-Optic Sensor Integration Technology for Fusion of Imagery and Digital Mapping Products.
Journal of Navigation, January 2000, Vol. 53, No. 1, pp. 132-145. (PDF: 1.4MB)

  99-06-003

Precision Targeting Using GPS/Inertial-Aided Sensors.
ION 55th Annual Meeting, Cambridge, MA, June 1999 (PDF: 613k)

  99-06-002

Test Results of a High Gain Advanced GPS Receiver.
ION 55th Annual Meeting, Cambridge, MA, June 1999 (PDF: 364k)

  99-06-001

Miniaturized GPS Antenna Array Technology.
ION 55th Annual Meeting, Cambridge, MA, June 1999 (PDF: 387k)

  99-01-001

Falcon Gold ION Paper.
The Institute of Navigation 1999 National Technical Meeting, San Diego, CA, Jan. 1999, pp. 575-585 (PDF: 228k)

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 1998 Papers

  98-11-001

Precise Position and Attitude Georegistration.
74th JSDE Symposium, Anaheim, CA, Nov. 1998 (PDF: 189k)

  98-10-002

Falcon Gold Experiment Data Processing at The Aerospace Corporation.
(PDF: 381k)

  98-10-001

Direct Sensor to Weapon Network (DSTWN) Architecture.
AIAA, Huntsville, AL, Oct. 1998 (PDF: 429k)

  98-09-001

High Gain Advanced GPS Receiver.
White Paper, Sept. 1998 (PDF: 483k)

  98-06-003

High Accuracy Targeting Using a GPS-Aided Inertial Measurement Unit.
ION 54th Annual Meeting, Denver, CO, June 1998 (PDF: 192k)

  98-06-002

GPS Ionospheric Scintillation Measurements Using a Beam Steering Antenna Array for Improved Signal/Noise.
ION 54th Annual Meeting, Denver, CO, June 1998 (PDF: 437k)

  98-06-001

A Modular Re-programmable Digital Receiver Architecture.
ION 54th Annual Meeting, Denver, CO, June 1998 (PDF: 264k)

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 1997 Papers

  97-09-004

The U.S. Air Force Academy GPS Flight Experiment Using the NAVSYS TIDGET®.
ION GPS ‘97, Kansas City, MO, Sept. 1997 (PDF: 30k)

  97-09-003

Precision Attitude Determination Using a Low Grade GPS-Aided Inertial Measurement Unit.
ION GPS ‘97, Kansas City, MO, Sept. 1997 (PDF: 284k)

  97-09-002

GPS Phone: An Integrated GPS/Cellular Handset.
ION GPS ‘97, Kansas City, MO, Sept. 1997 (PDF: 1.7MB)

  97-09-001

Commercial Aviation Navigation Systems Analysis Toolset.
ION GPS ‘97, Kansas City, MO, Sept. 1997 (PDF: 3.2MB)

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 1996 Papers

  96-09-007

Operational Field Trials of GPS-Equipped Sonobuoys.
ION GPS ‘96, Kansas City, MO, Sept. 1996 (PDF: 201k)

  96-09-006

Test Results of GPS Dropwindsonde and Application of GPS in Precision Airdrop Capability Using TIDGET® GPS Sensor.
ION GPS ‘96, Kansas City, MO, Sept. 1996 (PDF: 1.7MB)

  96-09-005

High Dynamic, Dual Frequency Tracking with a Low Bandwidth Digital Translator.
ION GPS ‘96, Kansas City, MO, Sept. 1996 (email request)

  96-09-004

Multi-Application GPS/Inertial Navigation Software.
ION GPS ‘96, Kansas City, MO, Sept. 199 (email request)

  96-09-003

Observing Ionospheric Profiles Using a Dual Frequency Translator.
ION GPS ‘96, Kansas City, MO, Sept. 1996 (email request)

  96-09-002

Statewide Deployment of Colorado’s MAYDAY System
ION GPS ‘96, Kansas City, MO, Sept. 1996 (email request)

  96-09-001

A Modular GPS Timing Sensor.
ION GPS ‘96, Kansas City, MO, Sept. 1996 (email request)

  96-06-004

Limiting Factors in Tropospheric Propagation Delay Error Modeling for GPS Airborne Navigation.
ION 52nd Annual Meeting, Cambridge, MA, June 1996 (email request)

  96-06-003

TIDGET®-T: A Low Cost GPS Time Sensor That Maintains Precise Time During Extended Periods of GPS Signal Loss.
ION 52nd Annual Meeting, Cambridge, MA, June 1996 (email request)

  96-06-002

Test Results of Real Time Mapping of Roadways Using the GIM System.
ION 52nd Annual Meeting, Cambridge, MA, June 1996 (email request)

  96-06-001

Wind Profile Estimation Using a TIDGET® Payload on Weather Balloons.
ION 52nd Annual Meeting, Cambridge, MA, June 1996 (PDF: 4.2M)

  96-04-001

Flight Test of an Integrated Digital GPS Translator.
IEEE 1996 Position Location and Navigation Symposium, Atlanta, GA, Apr. 1996 (email request)

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 1995 Papers

  95-10-001

Mayday in the Rockies: Colorado's GPS-Based Emergency Vehicle Location System
GPS World, Oct. 1995  (PDF: 505k)

  95-09-006

GPS/Inertial Mapping (GIM) System for Real Time Mapping of Roadways Using WADGPS.
ION GPS ‘95, Palm Springs, CA, Sept. 1995 (email request)

  95-09-005

A Comparison of Three Multipath Mitigation Approaches for GPS Receivers
ION GPS ‘95, Palm Springs, CA, Sept. 1995 (email request)

  95-09-004

Field Test Results of an Enhanced GPS Coverage Through Map Aiding in Urban and Canyon Environments.
ION GPS ‘95, Palm Springs, CA, Sept. 1995 (email request)

  95-09-003

High Accuracy Time Calibration Using the Inmarsat Geostationary Overlay Signal from the AOR-West Satellite.
ION GPS ‘95, Palm Springs, CA, Sept. 1995 (email request)

  95-09-002

Boosting Shipboard RAIM Availability.
ION GPS ‘95, Palm Springs, CA, Sept. 1995 (email request)

  95-09-001

Anti-Jamming Performance of TIDGET® in Guided Munitions Applications.
ION GPS ‘95, Palm Springs, CA, Sept. 1995 (email request)

  95-08-001

A TIDGET® / Inertial Missile Sensor Fusion System.
AIAA Conference, Baltimore, MD, Aug. 1995 (PDF: 4.2MB)

  95-06-004

Test Results of the NAVSYS Corporation GPS/Inertial Mapping (GIM) System.
ION 51st Annual Meeting, Colorado Springs, CO, June 1995 (email request)

  95-06-003

INMARSAT Precise Orbit Determination.
Satellite Navigation Conference 1995, Brisbane, Queensland, Australia, June 1995 (email request)

  95-06-002

Use of Commercial GIS and GPS for Emergency Location and Dispatch.
ION 51st Annual Meeting, Colorado Springs, CO, June 1995 (email request)

  95-06-001

Enhanced GPS Coverage Through Map Aiding in Urban and Canyon Environments.
ION 51st Annual Meeting, Colorado Springs, CO, June 1995 (email request)

  95-05-002

A Low Cost GPS/Inertial Mapping (GIM) System.
Mobile Mapping Symposium, Columbus, OH, May 1995 (PDF: 5.7MB)

  95-05-001

Intelligent Transportation System MAYDAY Becomes a Reality.
NAECON (National Aerospace Electronics Conference), Dayton, OH, May 1995 (email request)

  95-03-001

A MAYDAY System for Rural Highway Travel.
ITS America Annual Conference, Washington, D.C., Mar. 1995 (email request)

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 1994 Papers

 94-06-006

Orbit and Ranging Analysis of the INMARSAT AOR-West Geostationary Satellite
Proceedings of the ION Annual Meeting, Colorado Springs, Colorado, June 1994 (PDF: 359k)

  
94-04-001


TIDGET- Mayday System for Motorists.
IEEE PLANS 1994 Symposium, Las Vegas, NV, April 1994 (PDF: 3.0MB)

 

 

  94-01-001

Time Transfer Test Results Using INMARSAT Geostationary Overlay
Procedings of ION National Technical Meeting, San Diego, CA January 1994 1994 (PDF:343k)

 1993 Papers

93-10-001

Precise Time Distribution through INMARSAT for Use in Power Systems
Proceedings of Virginia Tech Conference on Computers in Elec Power Engineering, Washington DC (PDF: 2.7MB)

   

  93-09-010

Direct Digital Sampling and Processing of L-Band GPS Signals: A Fully Digital Receiver Architecture.
ION Satellite Division International Technical Meeting, Salt Lake City, UT, Sept. 1993 (PDF: 320k)

  93-09-004

Precise Time Dissemination through INMARSAT - Preliminary Results
Proceedings of ION Satellite Division International Technical Meeting, Salt Lake City, Utah, September 1993
(PDF: 2.7MB)

  93-09-003

Flight Test Results of a Pseudolite-Based Precision Approach and Landing System.
ION Satellite Division International Technical Meeting, Salt Lake City, UT, Sept. 1993 (PDF:259k)

 
 93-09-001


TIDGET-Plus: Urban Navigation with Stand-Alone GPS.
ION Satellite Division International Technical Meeting, Salt Lake City, UT, Sept. 1993 (PDF: 2.7MB)

  

  93-06-002

Precise Time Dissemination using the INMARSAT Geostationary Overlay
IEEE Frequency Control Symposium, Salt Lake City, Utah, June 1993 (PDF: 2.7MB)

 
 

 

 

 

 1992 Papers

  92-09-001

The TIDGET - A Low Cost GPS Sensor for Tracking Applications.
ION Satellite Division International Technical Meeting, Albuquerque, NM, Sept. 1992 (PDF: 3.2MB)

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