Full Freeview on the Sudbury (Suffolk, England) transmitter
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The symbol shows the location of the Sudbury (Suffolk, England) transmitter which serves 440,000 homes. The bright green areas shown where the signal from this transmitter is strong, dark green areas are poorer signals. Those parts shown in yellow may have interference on the same frequency from other masts.
Are there any planned engineering works or unexpected transmitter faults on the Sudbury (Suffolk, England) mast?
Sudbury transmitter - Sudbury transmitter: Possible effect on TV reception week commencing 18/11/2024 Pixelation or flickering on some or all channels 
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Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)
The Sudbury (Suffolk, England) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: .
If you want to watch these channels, your aerial must point to one of the 80 Full service Freeview transmitters. For more information see the will there ever be more services on the Freeview Light transmitters? page.
Which Freeview channels does the Sudbury transmitter broadcast?
If you have any kind of Freeview fault, follow this Freeview reset procedure first.Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)
The Sudbury (Suffolk, England) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: .
If you want to watch these channels, your aerial must point to one of the 80 Full service Freeview transmitters. For more information see the will there ever be more services on the Freeview Light transmitters? page.
Which BBC and ITV regional news can I watch from the Sudbury transmitter?
BBC Look East (East) 0.8m homes 3.2%
from Norwich NR2 1BH, 77km north-northeast (24°)
to BBC East region - 27 masts.
70% of BBC East (East) and BBC East (West) is shared output
ITV Anglia News 0.8m homes 3.2%
from NORWICH NR1 3JG, 78km north-northeast (24°)
to ITV Anglia (East) region - 26 masts.
All of lunch, weekend and 80% evening news is shared with Anglia (West)
Are there any self-help relays?
| Felixstowe West | Transposer | 1000 homes +1000 or more homes due to expansion of affected area? | |
| Witham | Transposer | 14 km NE Chelmsford. | 118 homes |
How will the Sudbury (Suffolk, England) transmission frequencies change over time?
| 1984-97 | 1997-98 | 1998-2011 | 2011-13 | 1 Aug 2018 | |||||
| B E T | B E T | B E T | E T | K T | |||||
| C29 | SDN | ||||||||
| C31 | ArqA | ||||||||
| C35 | C5waves | C5waves | |||||||
| C37 | ArqB | ||||||||
| C41 | ITVwaves | ITVwaves | ITVwaves | D3+4 | D3+4 | ||||
| C44 | BBC2waves | BBC2waves | BBC2waves | BBCA | BBCA | ||||
| C47 | C4waves | C4waves | C4waves | BBCB | BBCB | ||||
| C51tv_off | BBC1waves | BBC1waves | BBC1waves | ||||||
| C56tv_off | ArqB | ||||||||
| C58tv_off | SDN | ||||||||
| C60tv_off | -ArqA |
tv_off Being removed from Freeview (for 5G use) after November 2020 / June 2022 - more
Table shows multiplexes names see this article;
green background for transmission frequencies
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W T
waves denotes analogue; digital switchover was 6 Jul 11 and 20 Jul 11.
How do the old analogue and currrent digital signal levels compare?
| Analogue 1-4 | 250kW | |
| SDN, ARQA, ARQB, BBCA, D3+4, BBCB | (-4dB) 100kW | |
| Analogue 5 | (-7dB) 50kW | |
| Mux 2* | (-14.9dB) 8.1kW | |
| Mux B* | (-15.2dB) 7.5kW | |
| Mux 1* | (-15.5dB) 7kW | |
| Mux A* | (-17dB) 5kW | |
| Mux C* | (-22.2dB) 1.5kW | |
| Mux D* | (-23.6dB) 1.1kW |
Which companies have run the Channel 3 services in the Sudbury transmitter area
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Saturday, 6 August 2011
Heinz
4:47 PM
Lincoln
4:47 PM
Lincoln
Dale, It must have beeb (still be) very frustrating for you that the local rag ignores your information.
Can I suggest you call someone's mobile and leave a message with all the information on their voicemail?
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Heinz's: mapH's Freeview map terrainH's terrain plot wavesH's frequency data H's Freeview Detailed Coverage
Sunday, 7 August 2011
D
dean7:40 PM
Clacton-on-sea
before the retune i had dave ,film 4 now this have disappeared,any ideas?
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dean's: mapD's Freeview map terrainD's terrain plot wavesD's frequency data D's Freeview Detailed Coverage
M
Mike Dimmick8:32 PM
dean: Digital UK's trade predictor isn't giving any prediction for COM6/ArqB at the moment, and only 1% chance of reliable reception on COM5/ArqC. While the power on these two multiplexes has doubled, they have changed to a mode that needs slightly more than double the power for reliable reception.
A higher-gain aerial, or one with a tighter acceptance angle (these are often the same thing) might help, but you should know that there will be more channel changes and power increases over the next 10 months, which may bring these channels back anyway.
The predictor suggests that you might get Film 4 back from 16 November, if you retune, when ArqB moves from C54 to C63. The prediction only improves to 'variable' when the final retune happens on 27 June next year. There is a clash with the channels that Dover is currently using, which prevents the final channels and power levels from being used until then.
Your only alternative unfortunately is a Sky or Virgin Media subscription - these channels are not available free-to-air on satellite.
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Monday, 8 August 2011
E
Elaine Fuller4:36 PM
Ipswich
hello
Despite our postcode showing on Digital UK as being in the Tacolneston transmitter area, our roof top aerial points to the Sudbury transmitter . In our street, some aerials point to Tacolneston, some to Sudbury. Since DSO, our JVC telly in the dining room with built in Freeview has worked really well. However, because I don't want to dump our perfectly reliable Panasonic 10 year old telly, I bought a Humax Twin receiver /PVR for the living room (having done some research this seemed the best one to get in terms of quality). For a few days after the Sudbury switchover, it worked absolutely fine, but now it breaks up, loses signal, loses synch on voices on various channels, mainly BBC 2, BBC1 and ITV 4 and Dave. I've contacted Humax and tried their manual re-tune. I've also swapped the JVC telly onto the living room aerial and it works perfectly in there as well, and put the Humax/Panasonic in the dining room, but the problem persists, so can only assume from that it's not our aerial that's the problem. Other than it being the Humax box that is faulty, any other suggestions that I can try before sending back the box? I've done all the business with removing aerials and retuning as suggested in your previous posts.
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Elaine's: mapE's Freeview map terrainE's terrain plot wavesE's frequency data E's Freeview Detailed Coverage
T
TonyS4:48 PM
Channel 12 Yesterday
I am having reception troubles with ch 12 since last week is there any reason
Regards TonyS
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TonyS: Not since last week. Please can you see Single frequency interference | ukfree.tv - independent free digital TV advice ?
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Tuesday, 9 August 2011
N
Norm De Plume6:36 PM
Stowmarket
@Elaine Fuller
In the Ipswich area, you get similar powers from Tacolneston and Sudbury and the aerials are often pointed depending on geography and the positions of local trees, so what you are saying isn't a big surprise.
Your problems could still be cured by improving your aerial setup.
Firstly, the leads from wall sockets to the TV can make a big difference and are the simplest to fix. If you replace cheap leads with good quality double-shielded cable and decent connectors, that can often make the difference between a borderline digital signal and something that's viewable.
If that doesn't sort out your system, the next thing to bear in mind is that you probably have one aerial and yet you have at least 2 TV connections. If the splitting is carried out with a cheap connection, that will also cause problems. The best type of splitter is called a 'diplexer' and should be labelled that way. Unfortunately, such things are often buried away in the loft/airing cupboard/floorboards, so it may take a bit more time to find out.
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Norm's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
Wednesday, 10 August 2011
E
Elaine Fuller2:52 PM
hello Norm de Plume
Thanks for your help. Not sure where our "diplexer" is, as we have an external aerial cable that runs from the roof top aerial over the roof and down the back wall to the back of the house and then comes in through the wall into an aerial socket in the dining room, and another cable that runs from the aerial over the roof, down the front wall and into a socket in the front room. I'm too old to climb up on the roof and look to see if the splitter is up there!! Still unsure as to why my new cheapish JVC telly with built in tuner works fine on both aerial sockets, but the Humax box is, quite frankly, a pile of manure. Surely if it was a problem with the aerial lead (either indoor our outdoor), would it not make the digital reception on that a load of old pants too?
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J
jb383:56 PM
Elaine Fuller: To be quite frank about it, the Digital UK trade reception predictor doesn't really indicate good reception being possible from anywhere associated with your post code, with the only slight glimmer of hope being on the 23rd of November from Tacolneston, however this being short lived by going downhill again in June 2012.
In areas such as yours where aerials can be seen pointing in various directions, is always (and without exception!) an indication of an area of erratic reception where signals are capable of changing strength within a few yards of each other, needless to say nothing can be done about this, as areas like that are really what Freesat was intended for, or partially anyway.
As regards your JVC TV Vs the Humax box, Humax boxes are amongst the best for reception sensitivity and stability as far as glitches are concerned, and when you say that the Humax was poor compared to the JVC are you sure they were both receiving from the same transmitter? as judging by what you have said I feel that your reception area is possibly even worse than the trade predictor has forecast.
When you are carrying out experiments with reception, "always" check via the devices tuning menu / signal strength / quality indicator that each device is using the same Mux channel for whatever you may be looking at, this just in case they aren't! and something which is not beyond possibility at your location.
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Thursday, 11 August 2011
N
Norm De Plume6:31 AM
Hello Elaine,
It sounds like the splitting is done at the aerial.
Do you know if any power needs to be sent to the aerial from a box of tricks somewhere or one of the receivers? If so, you might have an amplifier on the aerial, so the splitting would be electrically of a good quality. Unfortunately, if not, it could well be that the wires are both just joined together at the aerial and that will lead to a lower quality signal. The reason that I suspect the aerial installation is because the Humax is giving problems - Humaxes should give you a good picture but if there's something wrong with the wiring, that would lead to unexplained results.
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