National radio sales for the first quarter of 2007 have broken a record for Canadian Broadcast Sales (CBS), the national sales firm representing about 60% of the country's private stations. Sales levels for the quarter measured as the medium's highest-ever total revenue, having risen by 8.2% over the same period last year.

Toronto: Another solid book for CHFI-FM, which snagged bragging rights with a 9.2% share (up from 9.1%) of hours tuned for Adults 12+. CBC Radio One extended its upward trend with a 7.6% share (up from 7.3%) for A12+. CHUM FM continues to lead the way for females 25-54 with an impressive 17.7% share (up from 15.0%).