Abstract
The electromagnetic (radio) spectrum is a very valuable natural resource that is finite and shared by an increasing number of users vying for the allocation of frequency bands. As a result, the electromagnetic environment in which astronomical observations are made is getting increasingly polluted, driven by commercial interests. In general, non-scientific spectrum use emits radiation at levels that far exceed those emitted by the cosmic sources in which astronomers are interested.
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© 2007 Springer
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van Driel, W. (2007). Frequency Protection for the 21st Century. In: Lobanov, A.P., Zensus, J.A., Cesarsky, C., Diamond, P.J. (eds) Exploring the Cosmic Frontier. ESO Astrophysics Symposia European Southern Observatory. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-39756-4_7
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DOI: https://doi.org/10.1007/978-3-540-39756-4_7
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-39755-7
Online ISBN: 978-3-540-39756-4
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