Editing KSDK (section)

==Technical information==

===Subchannels===
The station's digital signal is [[Multiplex (TV)|multiplexed]]:
{| class="wikitable"
|+Subchannels of KSDK<ref>{{Cite web|url=https://rabbitears.info/market.php?request=station_search&callsign=KSDK|title=RabbitEars TV Query for KSDK|website=[[RabbitEars]]|accessdate=March 20, 2025}}</ref>
! scope = "col" | [[Digital subchannel#United States|Channel]]
! scope = "col" | [[Display resolution|Res.]]
! scope = "col" | [[Aspect ratio (image)|Aspect]]
! scope = "col" | Short name
! scope = "col" | Programming
|-
! scope = "row" | 5.1 
| [[1080i]] || [[16:9]] || KSDK-5 || [[NBC]]
|-
! scope = "row" | 5.2 
| rowspan=5 |[[480i]] || [[4:3]] || GetTV || [[Get (TV network)|Get]]
|-
! scope = "row" | 5.3 
| rowspan=4|16:9 || Crime || [[True Crime Network]]
|-
! scope = "row" | 5.4 
| Quest || [[Quest (American TV network)|Quest]]
|-
! scope = "row" | 5.5 
| Nosey || Nosey
|-
! scope = "row" | 5.6 
| CONFESS || Confess
|- style="background-color:#DFEBF6; border-top: 2px solid #003399;"
! scope = "row" | [[KPLR-TV|11.3]] 
| 480i || 16:9 || Comet || [[Comet (TV network)|Comet]] ([[KPLR-TV]]) 
|}
{{legend|#DFEBF6|Broadcast on behalf of another station}}

Subchannel 5.2 debuted in June 2005 as an affiliate of [[NBC Weather Plus]] (under the name "NewsChannel 5 Weather PLUS"), before affiliating with [[The Local AccuWeather Channel]] in December 2008, after NBC Weather Plus discontinued operations. On August 28, 2013, 5.2 started carrying [[Bounce TV]]. A few years later, {{When|date=March 2025}} it stopped carrying Bounce and started carrying [[Get (TV network)|Get]].

On January 20, 2015, KSDK launched subchannel 5.3, carrying [[True Crime Network]], which launched the same day. 

On January 17, 2018, KSDK launched digital subchannel 5.4, which carried clips promoting [[Quest (American TV network)|Quest]], a new multicast network which made its debut on January 29, 2018. 

Subchannel 5.5 launched in 2021 to carry [[Twist (TV network)|Twist]]. When Twist shut down on December 31, 2023, the subchannel switched to duplicating the 5.3 program feed (True Crime Network), until Nosey launched sometime{{When|date=March 2025|reason=What month and day in 2024?}} in 2024. 

Subchannel 5.6 carried [[This TV]],{{When|date=March 2025|reason=When did 5.6 launch?}} until the network shut down in 2024. After that, the subchannel remained blank for a few months, until the launch of Confess later that year{{When|date=March 2025|reason=What month and day in 2024?}}.

===Analog-to-digital conversion===
KSDK ended regular programming on its analog signal, over [[VHF]] channel 5, on June 12, 2009, the official date on which full-power television stations in the United States [[Digital television transition in the United States|transitioned from analog to digital broadcasts]] under federal mandate. The station's digital signal continued to broadcasts on its pre-transition UHF channel 35, using [[virtual channel]] 5.<ref>{{cite web|url=http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-06-1082A2.pdf |title=DTV Tentative Channel Designations for the First and Second Rounds |access-date=March 24, 2012 |url-status=dead |archive-url=https://web.archive.org/web/20130829004251/http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-06-1082A2.pdf |archive-date=August 29, 2013 }}</ref><ref name="FCCForm387">{{Cite web|url=https://licensing.fcc.gov/cgi-bin/ws.exe/prod/cdbs/forms/prod/cdbsmenu.hts?context=25&appn=101308343&formid=387&fac_num=46981|title=CDBS Print|website=licensing.fcc.gov}}</ref>

As part of the [[SAFER Act]], KSDK kept its analog signal on the air until July 12 to inform viewers of the digital television transition through a loop of [[public service announcement]]s from the [[National Association of Broadcasters]].<ref name="FCC Nightlight">{{cite web|url=https://docs.fcc.gov/public/attachments/DOC-291375A1.pdf|title=UPDATED List of Participants in the Analog Nightlight Program|publisher=Federal Communications Commission|date=June 12, 2009|access-date=June 3, 2024}}</ref>