I know that there have been threads about this before but I just can't find one. Lately I've been having constant momentary picture breakup on both my HD boxes so I had SKY adjust the sat. dish and solved the problem with the 6 month old box but not with the 3 year one. I then had Sky replace the old box with a recon. box and while there has been a massive improvement I still (few times a day) get the momentary interference. I was thinking that I might need the whole sat. cable replaced. However it also occurred to me that I had added an extra 4 metres on to these 17 metre cables in order to move my equipment to the other side of the room .Now I had almost no problem with the signal on these longer cables for 3 months until last month when this problem began.I've had a good look at the joinings but they seem ok to me.Despite looking "ok" ,is this my problem? Is there a check I can do to be sure?.BTW SKY technicians seem perfectly satisfied with signal strength,but don't realise I've joined the cables with extra lengths.
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