The station went on the air as WLKN-FM on April 1, 1975. On September 3, 1987, the station changed its call sign to WGUY, and on June 8, 1989 it became the current WHMX. The station for much of the 1990s was known as Hot Mix 106 but fell silent and in 1997 was bought out by Bangor Baptist church and paired with WHCF. In May 2005, the station changed slogans from 105-7 The X to Solution FM.
On September 28, 2012, the sale of WHMX and WHCF, along with translators W274AF, W221BO, W227BE, W229AT, and W270BD, to Lighthouse Radio Network, Inc. was consummated at a price of $100.
Solution FM is a non-denominational, non-profit, listener-supporter radio network. Behind the great music, fun on-air personalities and contests, there is a foundation of ministry. They play a mix of songs from Christian CHR (Christian Hit Radio) and Christian Rock 24/7. The current on-air line-up is as follows: