Jazz FM faced insolvency in its early life.
The change back to Jazz FM was reported to have cost £900,000.
Jazz FM also announced in 2001 that it had made full year profits before tax of £134,000 to 30 June 2001.
Jazz FM has also had many other jingles and slogans during its 15-year life.
Jazz FM was also broadcast around the world on the Internet through their website.
Jazz FM has also held auctions in past years to help boost the money raised for charity.
Jazz FM also leased office space within the same complex.
Williams is currently the afternoon show presenter on Jazz FM.
A year later she joined Jazz FM's publicity department and, in her two years at the station, proceeded to become a trainee producer.
The studio closed in 1989 and the building was subsequently sold to Jazz FM.