The station's studio and transmitter are located at Room 404, BGIDC Bldg., Nuñez St. cor.
[1] The station began operations in 1996 as Ultimate Radio 103.5 UE, carrying a CHR/Top 40 format with the slogan The Spirit of Zamboanga.
In October 2014, the station went back on air as Oomph Radio, carrying a CHR/Top 40 format.
In June 2016, the station rebranded back to 103.5 UE and added 70s, 80s and 90s to its playlist, despite retaining its format.
In February 2017, the Oomph Radio brand was retired once again due to management decision.