1. Federal Aviation Administration NextGen Implementation Plan http://www.faa.gov/nextgen/media/ng2011_implementation_plan.pdf 2011
2. Narins , M. Alternative Position, Navigation, and Timing -- The Need for Robust Radionavigation Proceedings of the Royal Institute of Navigation 2010
3. Eldredge , L. Alternative Positioning, Navigation & Timing (PNT) Study 2010
4. ADS-B Technical Link Assessment Team (TLAT) Technical Link Assessment Report Appendix H 2001
5. RTCA Special Committee-186 Minimum Aviation System Performance Standards For Automatic Dependent Surveillance Broadcast (ADS-B) 2002