https://rxtvinfo.com/2022/first-bbc-one-hd-region-starts-testing-on-satellite
BBC One South HD has started testing. I presume if you compare BBC One
HD (10847V, 6941) with BBC One South HD (12168V, 1204) at 18:30, you
will see a difference between red slate and South news programme. At
present, BBC One South HD has a channel name "1204" - presumably while testing is in progress.
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