Freeview reception at BS10 5BB
List is for aerial group type: ■ wideband ■ group A ■ group B ■ group C/D ■ group E ■ group K
| ch | name | signal strength | direction | transmitter | |
|---|---|---|---|---|---|
| C21+ | multiplex SDN England (COM4) | north 4° | Ridge Hill | H | |
| C22+ | Freeview HD multiplex BBCB (PSB3) National | H | |||
| C22 | multiplex SDN England (COM4) | west 273° | Bristol Kings Weston | V | |
| C24 | multiplex Arqiva-A (COM5) | north 4° | Ridge Hill | H | |
| C25 | multiplex D3+4 England Central (West micro region) | H | |||
| C25 | multiplex Arqiva-A (COM5) | west 273° | Bristol Kings Weston | V | |
| C27 | multiplex Arqiva-B (COM6) | north 4° | Ridge Hill | H | |
| C28 | multiplex BBCA England West Midlands | H | |||
| C28- | multiplex Arqiva-B (COM6) | west 273° | Bristol Kings Weston | V | |
| C29 | PSB2 iw | north 4° | Ridge Hill | H | |
| C30 | Comux Local TV multiplex LBS | south 191° | Bristol Ilchester Crescent | V | |
| C30 | Comux Local TV multiplex LBS | west 273° | Bristol Kings Weston | V | |
| C32 | multiplex BBCA England West | south 186° | Mendip | H | |
| C33 | multiplex Arqiva-A (COM5) | H | |||
| C34 | Freeview HD multiplex Arqiva-D (com8) | north 4° | Ridge Hill | H | |
| C34 | multiplex D3+4 England West | south 186° | Mendip | H | |
| C35 | Freeview HD multiplex Arqiva-D (com8) | H | |||
| C36 | multiplex Arqiva-B (COM6) | H | |||
| C39+ | multiplex Arqiva-B (COM6) | south 191° | Bristol Ilchester Crescent | V | |
| C39+ | multiplex Arqiva-B (COM6) | west 267° | Wenvoe | H | |
| C40 | multiplex D3+4 England West | west 273° | Bristol Kings Weston | V | |
| C41+ | multiplex BBCA England West | south 191° | Bristol Ilchester Crescent | V | |
| C41+ | multiplex BBCA Wales | west 267° | Wenvoe | H | |
| C42+ | multiplex SDN England (COM4) | south 191° | Bristol Ilchester Crescent | V | |
| C42+ | multiplex SDN Wales (COM4) | west 267° | Wenvoe | H | |
| C43 | multiplex BBCA England West | west 273° | Bristol Kings Weston | V | |
| C44 | multiplex D3+4 England West | south 191° | Bristol Ilchester Crescent | V | |
| C44 | multiplex D3+4 Wales | west 267° | Wenvoe | H | |
| C45 | multiplex Arqiva-A (COM5) | south 191° | Bristol Ilchester Crescent | V | |
| C45+ | multiplex Arqiva-A (COM5) | west 267° | Wenvoe | H | |
| C46 | Freeview HD multiplex BBCB (PSB3) National | west 273° | Bristol Kings Weston | V | |
| C47 | Freeview HD multiplex BBCB (PSB3) National | south 191° | Bristol Ilchester Crescent | V | |
| C47 | Freeview HD multiplex BBCB (PSB3) National | west 267° | Wenvoe | H | |
| C48 | multiplex SDN England (COM4) | south 186° | Mendip | H | |
| C51 | Comux Local TV multiplex LBS | H | |||
| C51 | Comux Local TV multiplex LCF | west 267° | Wenvoe | H | |
| C55 | Freeview HD multiplex Arqiva-C (com7) | north 4° | Ridge Hill | H | |
| C55 | Freeview HD multiplex Arqiva-C (com7) | south 186° | Mendip | H | |
| C55 | Freeview HD multiplex Arqiva-C (com7) | west 267° | Wenvoe | H |
List is for aerial group type: ■ wideband ■ group A ■ group B ■ group C/D ■ group E ■ group K
Distance to transmitters:
- Ridge Hill - 56.1km 34.9 miles
- Bristol Kings Weston - 4.3km 2.7 miles
- Bristol Ilchester Crescent - 7.4km 4.6 miles
- Mendip - 28.6km 17.8 miles
- Wenvoe - 48.1km 29.9 miles
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Thursday, 23 May 2013
L
Laura Sharpes4:57 PM
I'm based in the Wirral area and I think I may have some 4G interference. Can you confirm this?
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H
hey na na whats my name?5:12 PM
what is COFDM short for? thanks
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M
Michael5:32 PM
Laura Sharpes: Unless you are managing to pick up 4G signal from South-east London or Brighton (which is impossible) then you do not have 4G interference. Though I'm curious as to how you would be able to tell what 4G interference looks like!
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hey na na whats my name?: Coded Orthogonal Frequency-Division Multiplexing...
Orthogonal frequency-division multiplexing - Wikipedia, the free encyclopedia
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Friday, 24 May 2013
A
Ash2:45 PM
Derby
My freeview tv is tuned in via Sutton Coldfield. Would Waltham be better?
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Ash's: mapA's Freeview map terrainA's terrain plot wavesA's frequency data A's Freeview Detailed Coverage
Ash: There are a number of factors to be aware of and consider.
The COM channels from Waltham are at half power to the PSBs, the former being 25kW and the latter being 50kW.
All channels from Sutton Coldfield are 200kW.
Looking at Streetview and satellite images there are quite a few trees in your area that may perhaps rule out, or otherwise make difficult, reception from one or both transmitters.
Sutton Coldfield carries West Midlands programming and Waltham carries East Midlands programming.
You don't have clear line-of-sight to either transmitter.
The Derby transmitter, situated in Littleover at the Fire Service HQ, relays Waltham's PSB channels. It is on practically the same bearing as Sutton Coldfield and may be available to you. Its purpose is to provide East Midlands programming to those who otherwise receive from Sutton Coldfield. It does not carry the COM channels so you would have to rely on Sutton Coldfield for them.
For a list of PSB and COM services, see:
DTG :: DTT Services by Multiplex
In order to receive from Derby you may have to resort to manual tuning.
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G
Graham Cole9:55 PM
Treorchy
The aerial is on my chimney, approximately 13 metres above ground. It receives Freeview Light from Rhondda at Llwynypia. For the last 16+ years it has entered a powered booster/splitter box in the loft. A loft-installed hi-fi aerial also enters the box, from which three coax cables serves three tvs and separate cables to three hi-fis. This system has worked without problem at all times and since Digital changeover, until recently. All BBC channels suffer from pixelation intermittently. On my Samsung tv the maximum signal strength is shown as 50 with small bit error readings, and it just about copes but when the problems arise the SS reduces to mid 30s or less and the Bit error shows major fluctuations and sometimes no signal. The other tvs are Panasonic and they cope better but still pixelate on occasions. The other channels show 70 with no BE activity, and very good pictures. My immediate neighbours with the same line of sight to the transmitter but from an aerial at half the height have no problems. It seems to me that the potential problems point to the aerial and or splitter/booster box. I am 75 and can no longer access my loft to check. I am sorry to bother you but would appreciate any views and advice. Thank you.
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Graham's: mapG's Freeview map terrainG's terrain plot wavesG's frequency data G's Freeview Detailed Coverage
Graham Cole: I would suggest that the signal amplifier is pushing the level of the signal up too high:
Freeview signals: too much of a good thing is bad for you | Digital switchover | ukfree.tv - 10 years of independent, free digital TV advice
If this is the issue then it may be that it is just managing to cope with it at 50%. At times it goes higher.
Think of turning the sound up on a piece of audio equipment where eventually the sound will distort and you loose quality. That's effectively what is happening if your TV signal is too high.
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Saturday, 25 May 2013
G
Graham Cole9:25 AM
Treorchy
Thank you Dave for your very swift response, which I have only just read. Having looked at the link, how can I check if the problem is as you suggest, and, if so, will I need attenuators on each set, or cables in the loft , or one on the feed into the booster/splitter box. On reflection, I cannot remember whether the loft box is a booster/splitter or merely a splitter. If it is the first would it be better with a splitter only? Thank you for your patience with a 'silver surfer'.
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Graham's: mapG's Freeview map terrainG's terrain plot wavesG's frequency data G's Freeview Detailed Coverage
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