KISF (103.5 FM, "LA Tremenda 103.5") is a commercial radio station located in Las Vegas, Nevada.

On May 22, 1992, the station changed its call sign to KEDG, and adopted a modern rock music format, branded as "The Edge".

In 1996, KEDG gained a direct competitor as KFBI adopted a harder edged modern rock music format under the call sign KXTE.

KISF was one of eighteen radio stations that TelevisaUnivision sold to Latino Media Network in a $60 million deal announced in June 2022, approved by the Federal Communications Commission (FCC) that November,[5] and consummated on December 30, 2022.

[6] Under the terms of the deal, Univision agreed to continue programming the station for up to one year under a local marketing agreement.