[1][2] Established on February 4, 1980, DWHB was one of the pioneer FM station in Baguio, along with DZWR and DZYB; hence the station began operations as Smooth Jazz HB103, one of the few RMN FM stations at that time, airing a smooth jazz format together with DYXL in Cebu (which they carrying easy listening format).

On August 16, 1992, HB103 was only lasted for almost a decade, when all RMN provincial stations started carrying the Smile Radio branding and switched to a mass-based format.

On November 23, 1999, it was rebranded as 1039 HBFM (pronounced as "one-o-three-nine") and switched into a CHR/Top 40 format, with the slogan "Live It Up!".

On May 16, 2002, DWHB was amongst the stations relaunched under RMN's iFM network and returned to its original mass-based format.

In 2018, iFM started carrying the slogan "Ang Idol Kong FM", coinciding with the nationwide launch of its new jingle.