This report reviews Federal Communications Commission order FCC 20-48, which authorized Ligado Networks LLC to operate a low-power terrestrial radio network adjacent to the Global Positioning System (GPS) frequency band. It considers how best to evaluate harmful interference to civilian and defense users of GPS, the potential for harmful interference to GPS users and DOD activities, and the effectiveness and feasibility of the mitigation measures proposed in the FCC order.
National Academies of Sciences, Engineering, and Medicine. 2022. Analysis of Potential Interference Issues Related to FCC Order 20-48. Washington, DC: The National Academies Press. https://doi.org/10.17226/26611.
|1 Introduction and Background||6-36|
|2 Analysis Regarding the Three Study Tasks||37-59|
|3 Additional Matters||60-64|
|4 Concluding Thoughts||65-66|
|Appendix A: Statement of Task||69-69|
|Appendix B: Presentations to the Committee||70-71|
|Appendix C: Organizations and Individuals That Provided Written Input to the Committee||72-72|
|Appendix D: Committee Member Biographical Information||73-76|
|Appendix E: Disclosure of Unavoidable Conflicts of Interest||77-78|
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