Complex sentence: KMFM Maidstone, formerly CTR 105.6, is the local commercial station for the town-having once broadcast from studios in Mill Street, it now broadcasts from the studios of sister station KMFM Medway.
Split into simpler sentences: KMFM Maidstone, formerly CTR 105.6, is the local commercial station. Having broadcast from studios in Mill Street, it now broadcasts from the studios of sister station KMFM Medway.