Advertisers PR professionals use SRDS for media planning and ad placement data. We subscribe to modules for magazines, TV &cable, outdoor, radio, & direct marketing. SRDS has moved to a new platform — take a look: http://next.srds.com.ezproxy.ithaca.edu:2048/nmp (you’ll need to sign in using Netpass).
Training video from SRDS: http://www.youtube.com/watch?v=Okce_GixeyQ