[2] The station was originally owned by Rick Rambaldo'a Erie Radio Company;[2] the construction permit had been acquired, under the name First Channel Communications, for $2,068,000 in a May 2011 Federal Communications Commission (FCC) auction, outbidding an entity affiliated with Connoisseur Media.

[3] Rambaldo had previously a group of Erie radio stations that was sold to NextMedia in 1999, and subsequently acquired by Connoisseur Media and then iHeartMedia.

[5] In September 2019, Erie Radio Company announced the sale of the station to SJL of Pennsylvania, owner of WICU-TV, for $1.33 million; SJL is a sister company to Lilly Broadcasting, whose holdings in the area include WSEE-TV and three Warren radio stations.

[6] Under the terms of the agreement, Erie Radio Company retained the rights to the "Happi" brand, but granted SJL/Lilly a perpetual royalty-free license to use the name.

[4] The sale was completed on December 31, 2019,[7] at which point the call sign was changed to WICU (the "-FM" suffix was added on February 13, 2020).