> My suspicions are:
>  * That transponder (on Astra 2A) is on its way out.
>  * The BBC's uplink has a fault and is outputting a just-out-of-spec
>    signal. (FEC problems?)
> The problem only manifests itself on certain brands of equipment, which
> probably use a common receiver chipset.

Looks like the last of these since many, or possibly the majority,
aren't experiencing any problems. If it were widespread then it
would be in the tabloids, and on the news  (for those still able to
watch it).
It's still rock solid here with an 80cm dish.

wrote in message 
news:48110738$0$26089$db0fefd9@news.zen.co.uk...
>> My suspicions are:
>>  * That transponder (on Astra 2A) is on its way out.
>>  * The BBC's uplink has a fault and is outputting a just-out-of-spec
>>    signal. (FEC problems?)
>> The problem only manifests itself on certain brands of equipment, which
>> probably use a common receiver chipset.
>
> Looks like the last of these since many, or possibly the majority,
> aren't experiencing any problems. If it were widespread then it
> would be in the tabloids, and on the news  (for those still able to
> watch it).
> It's still rock solid here with an 80cm dish.

Problem solved! visit today from $ky engineeer who replaced the dual LNB. 
Evidently should have been done when box was replaced. BBC24 working just 
fine. New unit does not need taping up so they say.