Help with Freeview, aerials?
Friday, 29 April 2011
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tony5:51 PM
Hi, i get interference from motor scooters on my digital tv.
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Monday, 2 May 2011
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Gary9:11 PM
Bedlington
In Bedlington(NE22), using the Pontop Pike transmitter and had the occassional problem over the last few years but this last week, we've had loads of channels with varying degrees of Bit Error Problems.
Using a Samsung and when checking the signal strength, the actual strength is fine(70+) but on the channels with pixelisation etc, there is up to a level 6 Bit Error rate. Probably showing on perhaos a 3rd of our channels?
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Gary's: mapG's Freeview map terrainG's terrain plot wavesG's frequency data G's Freeview Detailed Coverage
Wednesday, 4 May 2011
Gary: Please see the Freeview reception has changed? | ukfree.tv - independent free digital TV advice - you should have perfect reception at your location from Pontop Pike.
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tony: Yes, that right, you do. You need to ensure that your aerial is up as high as possible, use satellite-grade cable and you have the best quality "fly leads".
But it is a genuine source of RF transmission, so unless you can ensure the aerial is as above, you will get the problem.
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Sunday, 8 May 2011
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Luke5:39 PM
I'v just moved into a flat and my freeview signal is usually fine and I can get all channels but every 30 min or so the signal goes completely. I have to keep retuning and after 10 min it comes back. Is there any reason for this? a my fridge coming on? something in next doors flat?
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Mike Dimmick11:09 PM
Luke: One of the largest sources of intermittent interference is the central heating thermostat. Try adjusting the temperature to turn it on and off while watching the TV. If you get a problem while it's on, get a heating engineer to look into it.
Satellite-grade cables are less likely to pick up electrical interference than the classic 'low-loss' type. If you connect the TV to an aerial socket on the wall, that might be an unshielded type - a shielded one is less likely to pick up interference. You also might be using a poor-quality fly lead - you can get better leads from Online Satellite/TV/FM/DAB Cable, Leads and Connectors sales. you can't pinpoint the source of interference, the BBC can investigate, but you may be charged if they discover it's a problem with your equipment.
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Thursday, 12 May 2011
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Max Ievers3:44 PM
Brackley
Outside interference on Freeview - mowers, power saws etc on all channels. Rain on ITV channels. Will this reduce when we switch over permanently. I get miffed when I can only watch BBC during rainy weather !
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Max's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Max Ievers: You need to check your aerial cables are in good condition. As long as your rooftop aerial is mounted high up, you should avoid interference from "mowers, power saws etc".
Poor quality "aerial fly leads" can often be the cause of this interference.
Poor reception during rain suggests you have water leaking into your external aerial cables, and you should replace them. I would suggest you use satellite-grade coaxial cable.
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Monday, 23 May 2011
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dave clarke10:27 AM
Nottingham
hi i am in ng164fu area my picture keeps breaking up ive got abooster still the same
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dave's: mapD's Freeview map terrainD's terrain plot wavesD's frequency data D's Freeview Detailed Coverage
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Mike Dimmick2:03 PM
Dave Clarke: You could be using any of three different transmitters: Nottingham, Sutton Coldfield or Waltham. Nottingham requires a vertically-polarized aerial (elements going up-and-down) while Waltham is horizontally polarized (rods going side-to-side). Both are to the south-east (121° and 123° respectively). Sutton Coldfield is horizontal and to the south-west.
If the aerial is oriented for Waltham, it's possible that your box has still tuned in Nottingham PSB multiplexes as the frequencies are lower. Check the frequencies match those at the Nottingham page and if not, delete the channels that are wrong and manually tune in the right ones. See also Digital Region Overlap.
Digital UK's predictor shows average results for Mux A from Waltham at the moment and poor for Mux 2. This will improve at switchover in August.
Or, if oriented for Nottingham, it may not be compatible with the 8K mode used after switchover - check the list of unsupported equipment at http://www.digitaluk.co.uk/2kequipment. In this case, it may be tuning into Waltham instead.
If the aerial is not the right way round for the transmitter you're tuned into, the signal level received is much weaker, and this could explain why it breaks up.
If it's oriented for Sutton Coldfield, you're actually not expected to get reliable results from that transmitter until September.
If oriented for Nottingham and the frequencies are correct, try removing the booster - the level could be too high, although I don't think this is very likely as the level in your direction is 7 dB below maximum and it's not that powerful to start with.
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