BBC viewers are being warned of a big change happening to the channel on Wednesday.
The broadcaster is shuffling some channel numbers on Sky as part of a huge upgrade on satellite.
AlamySky customers will notice that BBC Three has moved[/caption]
BBC One HD is moving from 115 to 101.
This means 115 will be left vacant for BBC Three to take.
But the change only affects certain areas.
BBC Three is already on 115 in Northern Ireland.
All English regions of BBC One will complete their switch to HD on 101 on Wednesday, meaning viewers in those parts will also find BBC Three on 115 going forward.
In Scotland, BBC Three remains on channel 141 for the moment.
And in Wales, it’s staying put at 117.
The BBC has been switching the current top spot of BBC One SD (Standard Definition) to BBC One HD since the end of January from region to region.
Wednesday marks the completion of that process, with the final region to make the switch, BBC One South East.
The move means satellite viewers will no longer have to change channel to catch their local news when it’s broadcast at 6pm on BBC One.
But be sure to check any series links you have set-up, as some people have already reported that the upgrade has messed up with their recordings.
Anyone with Sky Glass or Sky Stream need not worry, as it’s already in place.
Viewers with an old non-HD satellite box will have to get a new HD one to continue getting BBC One, whether they’re on Sky or Freesat.
Fortunately, Sky is offering a free upgrade to Sky Q for affected customers.
Freesat viewers will have to buy a new box entirely – though the BBC is offering support to those who need it most.
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