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88.9 FM broadcast antenna upgrades are underway and will affect the ability to tune into the station for the duration. Our programming continues, however, via our live stream at ketr.org, on TuneIn radio, via the NPR app, and at Apple Music.
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John Mark Dempsey

Host/Announcer

Dr. John Mark Dempsey is a retired professor of Radio and Television Broadcasting. In addition to his hosting duties at 88.9 KETR, he works part-time as a news announcer-producer for the Texas State Network in Dallas. Dempsey was the first student to broadcast on KETR back in 1975 and was also the first person to broadcast Commerce Tigers football on the station (as a student,) a role he continues to play to this day.

Dempsey's prior work in news and broadcast included organizations such as KLUV-FM, Texas Sports Radio Network, KGVL-FM, KTAM-AM & WTAW-FM, KTSR-FM, KIKT-FM, and The Commerce Journal.

Dempsey has authored and co-authored a number of books and articles over the course of his academic career, notably "The Light Crust Doughboys Are On The Air," "The Jack Ruby Trial Revisited," "Eddie Barker's Notebook," and "Sports Talk Radio in America: It's Context And Culture."