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<ri:Resource created="1997-12-09T23:28:52Z" status="active" updated="2025-05-19T09:50:00Z" version="1.2" xmlns:cs="http://www.ivoa.net/xml/ConeSearch/v1.0" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" xmlns:vr="http://www.ivoa.net/xml/VOResource/v1.0" xmlns:vs="http://www.ivoa.net/xml/VODataService/v1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ivoa.net/xml/ConeSearch/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/ConeSearch.xsd http://www.ivoa.net/xml/VOResource/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VOResource.xsd http://www.ivoa.net/xml/VODataService/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/VODataService.xsd" xsi:type="vs:CatalogService"><title>6C Survey of radio sources I.</title><shortName>VIII/18</shortName><identifier>ivo://CDS.VizieR/VIII/18</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Baldwin J.E.</name></creator><creator><name>Boysen R.C.</name></creator><creator><name>Hales S.E.G</name></creator><creator><name>Jennings J.E.,Waggett P.C.</name></creator><creator><name>Warner P.J.</name></creator><creator><name>Wilson D.M.A</name></creator><date role="Updated">2015-04-24T17:44:46Z</date><date role="Created">1997-12-09T23:28:52Z</date><contact><name>CDS support team</name><address>CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France</address><email>cds-question@unistra.fr</email></contact></curation><content><subject>radio-sources</subject><subject>surveys</subject><description>The 6th Cambridge Survey of radio sources covers most of the sky north of Dec&gt;30{deg} with an angular resolution of 4.2x4.2cosec{delta} arcmin^2^ and a limiting flux density of 120mJy at 151MHz. This paper, the first of a series, describes the telescope and the methods used to produce the survey maps and source list, and presents maps of a circular area of radius 10{deg} centered on the North Celestial Pole and a list of 1761 sources north of {delta}&gt;+80{deg}.</description><source format="bibcode">1985MNRAS.217..717B</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/VIII/18</referenceURL><type>Catalog</type><contentLevel>Research</contentLevel><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/TAP">TAP VizieR generic service</relatedResource></relationship><relationship><relationshipType>IsServedBy</relationshipType><relatedResource>Conesearch service</relatedResource></relationship><relationship><relationshipType>related-to</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/VIII/21">VIII/21 : II. 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