This DSA hosts data release 3 of the UKIRT Infrared Deep Sky Survey housed at the Wide Field Astronomy Unit at the Univeristy of Edinburgh. This catalog contains WFCAM data primarily originating from the five UKIDSS surveys: Large Area Survey, Galactic Plane Survey, Galactic Clusters Survey, Deep Extragalactic Survey and the Ultra Deep Survey (see the www.ukidss.org for survey descriptions).