What is now WDCD-FM first signed on in March 1987 as WCSF, airing a Saratoga County-targeted oldies format, even though the signal covered the main cities of the Capital District well. In one of the first of the high ticket purchases that set the now astronomical prices for Albany stations, WCSF's ownership sold the station to WV Communications of Schenectady. WCSF-FM was the first oldies station on the FM dial in the Capital Region, and was moving up in the ratings when sold to WV. WV Communications already owned WWWD, an AM station in neighboring Schenectady. In September 1987, WWWD and WCSF joined in a rock-based CHR simulcast, with WWWD becoming WVKZ and WCSF becoming WVKZ-FM. The two stations would later split off for most of the day, with 96.7 taking the "KZ-96.7" branding. KZ-96.7 shifted to album-oriented rock in 1989, and then to a harder current-based rock format in 1990, now known as "Power Rock KZ-96.7". In 1991, it returned to CHR as "Power Hits KZ-96.7". Changes in CHR music as a genre, coupled with a glut of CHR stations in the Albany market, led ownership to change WVKZ-FM to an early hot adult contemporary format in 1992 as WWCP-FM. Though set apart from several rival stations and a mild success, financial problems led to the sale of WVKZ to Capital OTB and that of WWCP-FM to Jarad Broadcasting, owners of famed Long Island station WDRE, a move done in part due to the large amount of Long Island expatriates and college students in the Albany area. On Memorial Day weekend, 1994, several months after closing on WWCP-FM, Jarad Broadcasting launched the WDRE-based Underground Network, a progressive-leaning alternative rock format. Though a critical success in lieu of being a networked format, the format did not attain any ratings success, and on some occasions, nearly did not show in quarterly ratings. Making things even more difficult was the flip to alternative rock of WQBK-FM/WQBJ in 1995, as well as the consistent ratings of local hard rock Z-Rock affiliate WZRQ. These difficulties led Jarad to break from the network in late 1995, and flipped WWCP-FM to oldies as WXXO. With no FM oldies station in the market, the station entered the top 10 in its first book; however, this success would be short-lived as Jarad began to sell its non-Long Island holdings. Early in 1996, Jarad found a buyer in WDCD owner Crawford Broadcasting, which took WXXO over that March and began a simulcast of WDCD's Christian talk format. That July, the calls changed to WDCD-FM; the format remained on the 96.7 frequency after WDCD split off and flipped to adult standards, reclaiming its heritage WPTR calls, at the start of 2000. On March 16, 2004, WDCD and WPTR swapped formats and calls with 96.7 flipping to adult standards. This format served merely a placeholder, as on July 15 of that year, the station flipped to Contemporary Christian, branded as Pulse 96-7. Increased competition from the K-LOVE and Air 1 networks led the station flipping back to classic hits, as "Legends 96.7" on February 1, 2011, at midnight, duplicating that of sister stationWLGZ-FM in Rochester, New York.
However, the "Legends" format was short-lived as the station returned to Christian talk, once again simulcasting AM 1540 on November 11, 2011, and changed to the WDCD-FM call letters; the simulcast branded as "New Light 96.7," emphasizing the FM frequency. Effective July 25, 2019, the station was sold to Mars Hill Broadcasting for $600,000, and switched to Mars Hill Network programming. The station simultaneously changed its call letters to WMHH.