Complex sentence: Solid Gold FM was originally started in Auckland on 13 October 1997 broadcasting on 93.4FM, previously this frequency was used to broadcast Kool 93 a station that played a similar format to Solid Gold.
Split into simpler sentences: Solid Gold FM started in Auckland on 13 October 1997 broadcasting on 93.4FM. Previously this frequency was used to broadcast Kool 93, a station that played a similar format to Solid Gold.