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All posts by Dominic

Below are all of Dominic's postings, with the most recent are at the bottom of the page.


Hope you can help me - and hope this is the right place to put my query.

I've been using a digital set top box in my rented room in a shared house for a while - it's a fairly basic Sagem box, not sure of a particular model - I inherited it from a friend who didn't need it a few years ago. It's plugged into my TV with a scart and uses a basic metal hoop indoor aerial (there's no aerial connector in my room to the aerial on the roof) - but I've never had any problems at all with my freeview reception.

Since the morning of the switchover this week I've not been able to receive any of the channels on Multiplex's 4, 5 and 6. I'm in Streatham (SW16) about four miles from the Crystal Palace transmitter, and I've been reading conflicting information about what might be causing this and what to do about it...

I've done factory resets and channel searches every day to see if the problem would resolve itself, with no luck. Checking my signal information on each channel - C23 and C26 both have good signal strength in the mid-60% and excellent quality (91-97%), but C22, C25 and C28 all fluctuate dramatically and generally remain in the red "poor" zones anywhere between 50% and 80%, even though the signal strength for all three is also in the mid-60% - green for "good".

Judging from that info do I need a signal booster? A new aerial? A signal dampener? A new set top box? I'm looking to get a freeview+ or freesat+ box anyway, but I'm hesitant to do anything until I know what's happening with the signal in my room in case the same issue arises with a new box.

All help will be greatly appreciated. Thanks!

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D
Single frequency interference | Freeview Interference
Thursday 26 April 2012 10:15PM
London

Not good news on my system - exactly as it was when I posted four days ago. Anyone have any ideas at all?

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Dave Lindsay: Thanks for your reply - I will try some of the alternatives you suggest, but I'm confused if it is a signal overload judging from my signal information - two of the multiplexes have excellent signal quality, and the three that all have channels with static scrambled images all have poor quality. Would the signal vary for each multiplex coming from the same transmitter? If I were being overloaded wouldn't every multiplex be scrambled?

My aerial is a set top aerial - or at least an old-school silver hoop one that came with my TV. I've tried a even smaller one that came with my stereo and the result is the same - clear for the BBC/Channel 4 multiplexes, nothing for the others.

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