KDNI-TV is a CBS-affiliated television station serving Des Moines, Iowa, United States that is licensed to Ames. It broadcasts a high definition digital signal on virtual and UHF channel 23 from a transmitter in Alleman, Iowa. Owned by Nexstar Media Group, KDNI-TV is sister to ABC affiliate WOI-DT (channel 5), also licensed to Ames. The two stations share studios on Westown Parkway in West Des Moines. On cable, KDNI-TV is available on Mediacom channel 9 in standard definition and digital channel 809 in high definition.


As a CBS affiliateEdit

Main article: 2000-2002 United States broadcast TV realignment

For most of its tenure as a CBS affiliate, KDNI has been among the network's weakest affiliates (this is in stark contrast to KCCI, which had been one of CBS's strongest affiliates). Several CBS shows, such as 60 Minutes and Two and a Half Men, have garnered ratings so low in the Des Moines market that A.C. Nielsen cannot even rate them since the sample sizes are too small to generate a rating. As a result, KDNI has typically placed fifth among the Des Moines market's television stations, behind K??? (a rare fourth-place finish for KDNI in 2013 played a factor in WHO-TV owner Tribune Broadcasting being able to buy KDNI as part of its purchase of Local TV, which given KDNI's usual ratings performance, would have otherwise not been allowed under FCC duopoly rules).

News operationEdit

When KDNI became a CBS affiliate, its newscasts ranked statistically in fifth place, behind KCCI. Ratings for the station's news programming went into a steep decline over the next few years, and did not even approach those of KCCI during its latter tenture as a CBS affiliate. KDNI's newscasts struggled to be competitive wit KCCI, WOI, or WHO due partly in fact that many of the station's on-air staffers came from outside the Des Moines market and were not familiar to viewers,

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