Spectrum Management for Science in the 21st Century
2010

Consensus

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Radio observations of the cosmos are gathered by geoscientists using complex earth-orbiting satellites and ground-based equipment, and by radio astronomers using large ground-based radio telescopes. Signals from natural radio emissions are extremely weak, and the equipment used to measure them is becoming ever-more sophisticated and sensitive.

The radio spectrum is also being used by radiating, or "active," services, ranging from aircraft radars to rapidly expanding consumer services such as cellular telephones and wireless internet. These valuable active services transmit radio waves and thereby potentially interfere with the receive-only, or "passive," scientific services. Transmitters for the active services create an artificial "electronic fog" which can cause confusion, and, in severe cases, totally blinds the passive receivers.

Both the active and the passive services are increasing their use of the spectrum, and so the potential for interference, already strong, is also increasing. This book addresses the tension between the active services' demand for greater spectrum use and the passive users' need for quiet spectrum. The included recommendations provide a pathway for putting in place the regulatory mechanisms and associated supporting research activities necessary to meet the demands of both users.

Publication information

248 pages · 7 x 10 · paperback
ISBN Paperback: 0-309-14686-0
ISBN Ebook: 0-309-14687-9
DOI: https://doi.org/10.17226/12800

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National Research Council. 2010. Spectrum Management for Science in the 21st Century. Washington, DC: The National Academies Press.

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Front Matter i-xviii
Summary 1-5
1 Introduction 6-17
2 The Earth Exploration-Satellite Service 18-87
3 The Radio Astronomy Service 88-134
4 Technology and Opportunities for the Mitigation of Radio Frequency Interference 135-176
5 Findings and Recommendations 177-194
Appendixes 195-196
Appendix A: Statement of Task 197-198
Appendix B: Biosketches of Committee Members 199-207
Appendix C: Density of Interferers Equation 208-209
Appendix D: Analysis of Out-of-Band Emission Impacts to the EESS from §27.53 of the FCC Rules 210-213
Appendix E: Descriptions of Earth Exploration-Satellite Service Parameters Related to Table 2.1 214-220
Appendix F: Acronyms and Abbreviations 221-225
Appendix G: Glossary 226-230

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Spectrum Management for Science in the 21st Century (2010)

Chapter: Appendixes

Appendixes

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Spectrum Management for Science in the 21st Century (2010)

Chapter: Appendixes

Appendixes