This document discusses choosing a radio station to release a radio trailer for a documentary. It chooses Capital radio, which is based in Birmingham and began broadcasting in 1995. Although the documentary will air on Channel 4, Capital is a better choice than Channel 4 Radio as it appeals more to the target 16-24 age range. Channel 4 and its sister stations also have educational and entertainment programs that fit the target audience of the documentary about mobile phones. While the trailer won't be on Channel 4 Radio, researching Channel 4's audience was still useful for targeting the right demographic.