Crackling noise while viewing Sky TV in bedroom using RF cable

Hi, We currently have a sky box in the livingroom. As we seem to have a really bad signal in our bedroom we cannot use freeview in there. We also cannot get Sky multiroom as we live in a flat. We now stream Sky from the livingroom to the bedroom TV using a RF cable from Sky box to output in livingroom and RF cable from output in bedroom into that TV. This generally works well and the picture is ok however we get a loud crackling noise every so often that we cant seem to stop, lately this noise has gotten more frequent and louder. Can anyone advise why this is happening and how to fix it? Thanks.

Hopefully that will make it easier to fix!
Try changing the RF Output Channel your Sky box is using. By default it's set to channel 68. Try a channel at the other end of the range - say 25.
To do this. key Services,0,0,1,Select on your remote to get to the Installer Menu. Don't pause between key presses, don't wait for the screen to change and don't forget the Select at the end! At the Installer Menu, you'll see the RF Output tab where you'll find the Output Channel setting. Change to 25 and press Green to save the change.
Onceyou've done this, you'll need to re-scan for channels on your bedroom tv, using its setup menu.
You may need to try several RF Output Channels before you find one that works reliably.

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