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245 00 a| Spectrum management for science in the 21st centuryh| [electronic resource] /c| Committee on Scientific Use of the Radio Spectrum, Committee on Radio Frequencies, Board on Physics and Astronomy, Division on Engineering and Physical Sciences, National Research Council of the National Academies.;

260 a| Washington, D.C. :b| National Academies Press,;

300 a| xviii, 230 p. :b| ill. (some col.) ;c| 26 cm.;

504 a| Includes bibliographical references.;

505 0 a| Introduction -- The Earth exploration-satellite service -- The radio astronomy service -- Technology and opportunities for the mitigation of radio frequency interference -- Findings and recommendations;

506 a| Available only to authorized users.;

520 a| "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."--Publisher's description.;

530 a| Also available online in Open Book format via the National Academies Press home page.;

538 a| Mode of access: World Wide Web;

650 0 a| Radio frequency allocationx| Government policyz| United States.=| ^A25566;

650 0 a| Radio frequency allocationz| United Statesx| Management.=| ^A334885;

655 0 a| Electronic books.=| ^A491897;

710 2 a| National Research Council (U.S.).b| Committee on Scientific Use of the Radio Spectrum.?| UNAUTHORIZED;

856 40 z| Full text available from Ebook Central - Academic Completeu| https://ebookcentral.proquest.com/lib/eastcarolina/detail.action?docID=3378607;

947 a| (OCoLC)ocn540910015;

949 a| CLICK ON WEB ADDRESSw| ASISh| JOYNER188;

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999 a| CLICK ON WEB ADDRESSw| ASISc| 1i| 4282366-2001l| HSLELECm| HSLr| Ys| Yt| HEBKu| 1/4/2016x| EBOOKz| HERESOURCE;

999 a| CLICK ON WEB ADDRESSw| ASISc| 1i| 4282366-3001l| MNETm| JMUSICr| Ys| Yt| MNESSBKu| 1/4/2016x| EBOOKz| JERESOURCE;

Spectrum management for science in the 21st century / Committee on Scientific Use of the Radio Spectrum, Committee on Radio Frequencies, Board on Physics and Astronomy, Division on Engineering and Physical Sciences, National Research Council of the National Academies.

Other author	National Research Council (U.S.). Committee on Scientific Use of the Radio Spectrum.
Format	Electronic
Publication Info	Washington, D.C. : National Academies Press,
Description	xviii, 230 p. : ill. (some col.) ; 26 cm.
Supplemental Content	Full text available from Ebook Central - Academic Complete
Subjects	Radio frequency allocation--Government policy. --United States. Radio frequency allocation--United States. --Management.

Contents	Introduction -- The Earth exploration-satellite service -- The radio astronomy service -- Technology and opportunities for the mitigation of radio frequency interference -- Findings and recommendations
Abstract	"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."--Publisher's description.
Bibliography note	Includes bibliographical references.
Access restriction	Available only to authorized users.
Other forms	Also available online in Open Book format via the National Academies Press home page.
Technical details	Mode of access: World Wide Web
Genre/form	Electronic books.
LCCN	2010279485
ISBN	0309146860
ISBN	9780309146869

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Spectrum management for science in the 21st century / Committee on Scientific Use of the Radio Spectrum, Committee on Radio Frequencies, Board on Physics and Astronomy, Division on Engineering and Physical Sciences, National Research Council of the National Academies.

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