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		<doi>10.1142/S2251171719400051</doi>
		<issn>2251-1717</issn>
		<citationkey>PeelWAABBCDGMSTV:2019:RaFrIn</citationkey>
		<title>Baryon acoustic oscillations from Integrated Neutral Gas Observations: Radio frequency interference measurements and telescope site selection</title>
		<year>2019</year>
		<month>mar.</month>
		<typeofwork>journal article</typeofwork>
		<secondarytype>PRE PI</secondarytype>
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		<author>Peel, M. W.,</author>
		<author>Wuensche, Carlos Alexandre,</author>
		<author>Abdalla, E.,</author>
		<author>Antón, S.,</author>
		<author>Barosi, L.,</author>
		<author>Browne, I. W. A.,</author>
		<author>Caldas, C.,</author>
		<author>Dickinson, C.,</author>
		<author>Guimarães, Karin Silva Franzoni Fornazier,</author>
		<author>Monstein, C.,</author>
		<author>Strauss, Cesar,</author>
		<author>Trancredi, G.,</author>
		<author>Villela Neto, Thyrso,</author>
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		<affiliation>Universidade de São Paulo (USP)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Universidade de São Paulo (USP)</affiliation>
		<affiliation>Universidade de Aveiro</affiliation>
		<affiliation>Universidade Federal de Campinas Grande (UFCG)</affiliation>
		<affiliation>The University of Manchester Oxford Road</affiliation>
		<affiliation>MIEM</affiliation>
		<affiliation>The University of Manchester Oxford Road</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Institute for Particle Physics and Astrophysics</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>UdelaR</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
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		<electronicmailaddress>ca.wuensche@inpe.br</electronicmailaddress>
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		<electronicmailaddress>karin.fornazier@inpe.br</electronicmailaddress>
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		<electronicmailaddress>cesar.strauss@inpe.br</electronicmailaddress>
		<journal>Journal of Astronomical Instrumentation</journal>
		<volume>8</volume>
		<number>1</number>
		<pages>1940005</pages>
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		<contenttype>External Contribution</contenttype>
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		<keywords>Radio telescope, radio astronomy, RFI, ADS-B, site selection.</keywords>
		<abstract>The Baryon acoustic oscillations from Integrated Neutral Gas Observations (BINGO) telescope is a new 40 m class radio telescope to measure the large-angular-scale intensity of HI emission at 980-1260 MHz to constrain dark energy parameters. As it needs to measure faint cosmological signals at the milliKelvin level, it requires a site that has very low radio frequency interference (RFI) at frequencies around 1 GHz. We report on measurement campaigns across Uruguay and Brazil to find a suitable site, which looked at the strength of the mobile phone signals and other radio transmissions, the location of wind turbines, and also included mapping airplane flight paths. The site chosen for the BINGO telescope is a valley at Serra do Urubu, a remote part of Paraiba in North-East Brazil, which has sheltering terrain. During our measurements with a portable receiver, we did not detect any RFI in or near the BINGO band, given the sensitivity of the equipment. A radio quiet zone around the selected site has been requested from the Brazilian authorities ahead of the telescope construction.</abstract>
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		<language>en</language>
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