Papers, Articles, and Presentations by John W. Lavrakas

“Smoothing the Way for Satellite Outage Reporting: Implementing the Satellite Outage File”, John Lavrakas, ION GNSS+2020, September 24, 2020, Online

“GNSS Performance Standards: How are They Holding Up?”, John Lavrakas, ION GNSS+2020, September 24, 2020, Online

“NANU Analysis from 2007 through 2015“, John Lavrakas, ION GNSS+ 2016, September 15, 2016, Portland, OR

“Managing GPS: Take Two”, John Lavrakas, GPS World magazine, Expert Advice, December 2014

“GPS Civil Signal Monitoring – Advancing Toward Implementation”, Andrew Hansen and Karen Van Dyke, DOT/OST-R, Calvin Miles (DOT/FAA), John W. Lavrakas, ION GNSS+, September 11, 2014, Tampa, FL

“At-sea Data Collection in the Salmon Fisheries Using GPS-enabled Android”, John W. Lavrakas, Wil Black, Advanced Research Corporation, ION GNSS 2011, September 2013, Nashville, TN

“BeiDou: How things have changed”, John Lavrakas, GPS World magazine, Expert Advice, February 2013

“At-sea Data Collection in the Salmon Fisheries Using GPS-enabled Android”, John W. Lavrakas, Wil Black, Alex Lawson (Advanced Research Corp), Annual Meeting, Organization of Fish and Wildlife Information Managers, October 16, 2012, Austin, TX

“At-sea Data Collection in the Salmon Fisheries Using GPS-enabled Android”, John W. Lavrakas, Wil Black, Alex Lawson (Advanced Research Corp), Pete Lawson (NOAA), Annual Meeting, American Fisheries Society, August 20, 2012, St Paul, MN

“The Value of Geospatial Information in Fisheries”, Oregon State University Geospatial Intelligence Lecture Series, January 31, 2012, Corvallis, OR

“Identifying PNT Centers of Activity in Support of a National PNT Architecture”, John W. Lavrakas, Wil Black, Terri Lippert, ION GNSS 2011, September 2011, Portland, OR

“Addressing GPS User Problems: More GPS or Smarter GPS?”, James L. Farrell, John W. Lavrakas, Coordinates Magazine, September 2010

Wave Energy Infrastructure Assessment in Oregon, John Lavrakas, Jed Smith, December 1, 2009

“Proving the Walk Matches the Talk – Verification of GPS Performance Assertions”, John W. Lavrakas, Brent Renfro, ION International Technical Meeting, January 2010, San Diego, CA

“GNSS in the Year 2017”, John W. Lavrakas, GPS World Magazine, May 2007

“A Glimpse into the Future: A Look at GNSS in the Year 2017”, J.W. Lavrakas, Advanced Research Corporation, ION National Technical Meeting, January 2007, San Diego, CA

“A Case for Updating the GPS Standard Positioning Service Performance Standard”, J. W. Lavrakas, Overlook Systems Technologies, Inc., ION National Technical Meeting, January 2006, Monterey, CA

“Implementing Civil Monitoring in Wake of the New Policy on GPS”, J. W. Lavrakas, Overlook Systems Technologies, Inc., ION Annual Meeting, June 2005, Cambridge, MA

“Development of a Performance Specification for Monitoring the GPS Civil Service”, Tom Nagle, Department of Transportation; Brent A. Renfro, University of Texas Applied Research Lab; John W. Lavrakas, Overlook Systems Technologies, Inc., ION National Technical Meeting, January 2005, San Diego, CA

“Assessing SATNAV Performance Using the Navigation Tool Kit”, J.W. Lavrakas, R. Conley, S. Hieronymus, D. Knezha, Overlook Systems Technologies, Inc.; T. Driver, Analytical Graphics, Inc., ION GNSS 2004, September 2004, Long Beach, CA

“Implementation of a GPS Integrity Anomaly Database”, Lavrakas, J.W., Van Dyke, K., Carroll, B., Hieronymus, S.A. ION Annual Meeting, June 2004, Dayton, OH

“Status Update of the GPS Integrity Failure Modes and Effects Analysis (IFMEA) Project” Kovach, K., Lavrakas, J.W., Van Dyke, K., Miles, C., Phelts, E., Pullen, S., ION National Technical Meeting, January 2004, San Diego, California

“GPS for the Rest of Us: Monitoring the Civil Signals”, Lavrakas, J.W., GPS World Magazine, September 2003

“GPS Integrity Failure Modes and Effects Analysis”, K. Van Dyke, Karl Kovach, J. Kraemer, J. Lavrakas, J.P. Fernow, J. Reese, N. Attallah, B. Baevitz, Proceedings ION National Technical Meeting, January 2003, Anaheim, CA

“Defining the Elements of a Civil GPS Monitoring Service”, Lavrakas, J.W., Broomfield, J., ION National Technical Meeting, January 2003, Anaheim, California

“GPS Integrity Failure Modes and Effects Analysis”, K. Van Dyke, J. Kraemer, DOT/Volpe Center; K. Kovach, ARINC; J. Lavrakas, Overlook Systems Technologies, Inc.; J.P. Fernow, MITRE CAASD; J. Reese, GPS JPO; N. Attallah, B. Baevitz, SAIC, ION National Technical Meeting, January 2003, Anaheim, California

“Planning the Future of GPS”, J. W. Lavrakas, Overlook Systems Technologies, Inc., ION Annual Meeting, June 2002, Albuquerque, New Mexico

“The Interagency Forum for Operational Requirements”, J.W. Lavrakas, Overlook Systems Technologies, Inc., ION GPS 2001, September 2001, Salt Lake City, UT

“A Systems Approach to a National Position, Navigation and Timing Service”, J.W. Lavrakas, Overlook Systems Technologies, Inc., ION GPS-2001, September 2001, Salt Lake City, UT

“Establishing a National PNT Service”, Lavrakas, John W., IEEE/AIAA/ION Chapter meeting, May 2001, Somers Point, NJ

“GPS Status and Modernization”, Snowdon, Jack, Lavrakas, John W., Martel, John, GNSS 2001, May 2001, Seville Spain

“Establishing a GPS User Support Infrastructure”, John W. Lavrakas, Ted Driver and Daniel Knezha, Overlook Systems Technologies, Inc., ION GPS 2000, September 2000, Salt Lake City, UT

“The World after Selective Availability”, Rob Conley, John Lavrakas, Proceedings ION GPS 1999, September 1999

“Where Should Changes be Made? Correcting the Effects of Satellite Anomalies on GPS Receivers”, John W. Lavrakas, Daniel Knezha, Shane Connary, ION Annual Meeting 1999, June 1999

“Insight Into GPS Asset Location”, Marshall, Glenn C. and Lavrakas, John W., GPS Solutions magazine, Spring 1996

“Where is It and Where is It Going?: A Comprehensive Look at GPS Asset Location, Part 3”, Lavrakas, John W. and Marshall, Glenn C., GPS Solutions Magazine, Volume 1, Number 3, Winter 1996

“Where is It and Where is It Going?: A Comprehensive Look at GPS Asset Location, Part 2”, Lavrakas, John W. and Marshall, Glenn C., GPS Solutions Magazine, Volume 1, Number 2, Autumn 1995

“StarWatch™: An Off-the-Shelf Asset Location System”, Lavrakas, John W., Proceedings, Institute of Navigation, GPS-95 Meeting, September 1995, Palm Springs, CA

“Where is It and Where is It Going?: A Comprehensive Look at GPS Asset Location”, Lavrakas, John W. and Marshall, Glenn C., GPS Solutions Magazine, Volume 1, Number 1, Summer 1995

“Inside GPS: The Master Control Station”, Lavrakas, John W. and Shank, Chris, GPS World Magazine, Volume 5, Number 9, pp. 46-54, September 1994

“Heading for the Hills: Integrated GPS Vehicle Tracking Systems in Mountainous Areas,” Lavrakas, John W., Proceedings, Institute of Navigation, Annual Meeting, June 1994, Colorado Springs, CO

“Study into the Use of URA in Satellite Selection,” Lavrakas, John W. and Shank, Chris, Proceedings, Institute of Navigation, Annual Meeting, June 1993

“GPS Integrity: An MCS Perspective,” Shank, Chris and Lavrakas, John W., Proceedings, Institute of Navigation, GPS-93 Meeting, September 1993

“A Study into the Use of URA in Satellite Selection”, John W. Lavrakas, Chris Shank, Proceedings, Institute of Navigation Annual Meeting 1993, Cambridge, MA

“An Overview of Space-Based Radionavigation Systems”, Brown, Alison K. and Lavrakas, John, Proceedings, EASCON 88