References
- Interagency GPS Executive Board
- Federal Aviation Administration Satellite Navigation Product Teams
- International Civil Aviation Organization
- RTCA, Inc.
- GALILEO
- Proceedings of Institute of Navigation GPS-99, Pllenary Session Crossroad How will Satellite-Based Navigation and Timing Move into the Next Millenium? Scott Pace(et al.)
- Proceedings of Institute of Navigation GPS-99 The World after Selective Availability Rob Conley;John W.Lavrakas
- Proceedings of Institute of Navigation GPS-99 Stewardship and GPS Modernization One Step o the Road to the Future Daniel Martens;Donald Latterman
- Proceedings of Institute of Navigation GPS 2002, Pllenary Session GNSS Signal Compatibility and Interoperability Terry McGurn(et al.)
- 4th SNU-Stanford Workshop Global Navigation Satellite Systems in the United States Per Enge
- 4th SNU-Stanford Workshop Augmentation Technology & Test Results Per Enge