2004
On April 5, a licence for a new FM station at Edmonton was awarded to a partnership of CHUM Limited (51%) and Milestone Media Broadcasting Ltd. (49%). Milestone operated CFXJ-FM, Toronto. The new station would operate with an Urban format on 91.7 MHz with an effective radiated power of 100,000 watts. Antenna height would be 227 metres.

2005
CHBN-FM began testing in January, and signed on the air at 4 p.m., February 17. CHBN operated under the name “91.7 The Bounce”. The format was CHR/Top 40. The owners had originally planned to operate under the name “Vibe 91.7”.
 
On June 6, Milestone Media Broadcasting (Edmonton) Ltd. was authorized to acquire the 49% interest in CHBN owned by its parent company, Milestone Media Broadcasting Ltd. CHUM continued to hold the remaining 51%.

2006
On July 12 it was announced that Bell Globemedia would pay C$1.7 billion for CHUM Ltd., in a deal that would see the company become part of the BCE-owned media conglomerate, subject to CRTC approval.  On August 31, the two companies announced that BGM had been successful in its offer to acquire approximately 6.7 million common shares and approximately 19.2 million non-voting Class B shares of CHUM.  The shares were to be placed in the hands of an independent trustee pursuant to a voting trust agreement approved by the CRTC.On December 12^th, it was announced that Bell Globemedia would henceforth be known as CTVglobemedia.

2007                                                                                                                                                                                                                                                                                              A CRTC hearing on the CTVglobemedia application to acquire the assets of CHUM Limited was held on April 30^th 2007.  On June 8 the CRTC approved the acquisition of CHUM Ltd. by CTVglobemedia, on condition that CTV sell off its five City-TV stations, CITY-TV Toronto, CHMI-TV Portage La Prairie/Winnipeg, CKEM-TV Edmonton, CKAL-TV Calgary and CKVU-TV Vancouver.   Rogers Communications announced on June 25^th that a deal had been reached for them to buy these stations from CTV, subject to CRTC approval. Among the CHUM assets acquired by CTVglobemedia in the deal were seven television stations, 21 specialty channels and some 33 radio stations, including the 51% interest in CHBN-FM (Milestone holds the remaining shares).

2010
Gisele Sowa, general manager, 91.7 The Bounce, announced the appointment of Andy Winford to the position of program director, effective May 17. 

                                                  Written by Bill Dulmage - Updated July, 2010