sentences:  The station broadcast on FM for the first 6 years, and is now an internet radio station.Retro Hit Radio was developed as an idea in 1996, when the building of the music library began.It began trial broadcasts in 2001, then started broadcasting on Waitangi Day, February 2004 on the frequency 106.9 FM in Otahuhu, and continued until a frequency change to 88.1 FM after securing a broadcast site at Goodwood Heights in November of that year, and began broadcasting to Manukau City.