DYKU, branded as Mellow 887, is a music FM radio station owned by FBS Radio Network Inc. in the Philippines. The station's studio and transmitter are located in Iloilo City.From 1996 to 2000, it was branded as Mellow Touch 88.7. In 2000, it was rebranded as Radio One 88.7. Around May 2009, Radio One reduced its power and transmitter antenna into 1-bay resulting in a weak signal in most parts of the city. Survey showed that Radio One signal is only up to Pavia town.