WGN-TV

===Subchannels===
The station's signal is [[Multiplex (TV)|multiplexed]]:
{| class="wikitable"
|+Subchannels of WGN-TV<ref name="rei">{{cite web |title=RabbitEars TV Query for WGN-TV |url=http://www.rabbitears.info/market.php?request=station_search&callsign=WGN#station |access-date=September 1, 2015 |website=[[RabbitEars]]}}</ref>
|-
! [[Digital subchannel#United States|Channel]]
! [[Display resolution|Res.]]
! [[Aspect ratio (image)|Aspect]]
! Short name
! Programming
|-
! scope = "row" | 9.1
| [[1080i]] || [[16:9]] || WGN || Main WGN-TV programming
|-
! scope = "row" | 9.2
| rowspan="4" |[[480i]] || [[4:3]] || Antenna || [[Antenna TV]]
|-
! scope = "row" | 9.3
| rowspan="3" |16:9 || Grit || [[Grit (TV network)|Grit]]
|-
! scope = "row" | 9.4
| Rewind || [[Rewind TV]]<ref name="RewindTV">{{cite web |url=https://www.nexttv.com/news/nexstar-to-launch-rewind-tv-digital-channel-airing-classics |title=Nexstar to Launch Rewind TV, Digital Channel Airing Classics |last=Lafayette |first=Jon |work=Broadcasting & Cable |date=April 26, 2021 |accessdate=July 10, 2021}}</ref><ref name="RewindTV2">{{cite web |url=https://www.nexstar.tv/nexstar-media-inc-to-launch-rewind-tv-on-september-1/ |title=Nexstar Media Inc. to Launch "Rewind TV" on September 1 |work=Nexstar.TV |date=April 26, 2021 |accessdate=July 10, 2021}}</ref>
|-
! scope = "row" | 9.5
| TBD || [[TBD (TV network)|TBD]]
|- style="background-color:#DFEBF6; border-top: 2px solid #003399;"
! scope = "row" | [[WBBM-TV|2.1]]
| 1080i || 16:9 || CBS2-HD || [[CBS]] ([[WBBM-TV]])
|}
{{legend|#DFEBF6|Broadcast on behalf of another station}}

The main 2.1 subchannel of WBBM-TV is also broadcast on the WGN-TV multiplex; WBBM-TV, Chicago's high-power [[ATSC 3.0]] (NextGen TV) station, carries WGN-TV in that format.{{r|rei}}
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