Full Freeview on the Sudbury (Suffolk, England) transmitter
 | Google Streetview |  | Google map |  | Bing map |  | Google Earth |  | 52.005,0.786 or 52°0'17"N 0°47'8"E |  | CO10 5NG |
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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Monday, 18 April 2011
D
Dean6:01 PM
I live in IP4 in Ipswich. I have a standard rooftop aerial. I can receive all of the analogue channels and most of the digital but seem to be missing those digital channels on Mux2. Do I need to switch to a wideband aerial?
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Nick: Flat panel sets are much, much better than CRTs, and this is often the problem, they show up faults in the picture that are blurred by a CRT.
If you have an LCD or plasma display and find the picture is not as you expect, turn off the "sharpening" feature - and other visual enhancements.
HD pictures are clearly much better than SD on analogue or digital, if you can't see so, then you are probably not looking at an HD broadcast.
Everything on BBC HD is 1080-line HD, but not everything on BBC One HD, Channel 4 HD or ITV1 HD is sourced in HD.
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Tuesday, 19 April 2011
N
Nick10:20 AM
Woodbridge
Thank you once again, Brian.
As you can see, I am giving a lot of thought to going digital. A friend who works in the tv repair business tells me two freeview boxes in his house packed up within an hour of each other and he has experience of numerous others not lasting long. Is there any underlying reason for their unreliability, can it be power surges, can they be protected, are some more prone to pack up than others? I do not want to spend several hundred pounds on a freeview tv only for its tuner to pack up.
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Nick's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
Nick: I can't recall hearing of the digital tuner going in a set.
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N
Nick7:00 PM
Woodbridge
Thank you for that, Brian. Are freeview boxes less reliable then, and why? Would it be any benefit to plug tvs and boxes into 4 gang surge protected extensions?
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Nick's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
Nick: You can get Freeview boxes for as little as £20, sometimes less. They will usually work for two or three years, but they often fail after this time because they are on 100% of the time and the quality of the components is lower.
You can surge protect your equipment - all my computer equipment is on a surge protector that was pulled off a PSBX about 20 years ago - if you want.
UK mains electricity rarely has brownouts, if you had poor wiring and equipment with dirty switches (such as cheap thermostic equipment) a surge protector might be a good idea, if you don't then it would be a waste of money.
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Wednesday, 20 April 2011
N
Nick10:02 AM
Woodbridge
Dear Brian,
Thank you once again. £20 is the most I have seen locally for a box, Labgear. Don't suppose you can recommend one?
Can we not switch them off when not watching? Pull the plug? Or would that cause other problems? Presumably the tuners in sets get a rest because we switch off the tv, so they last longer.
Best wishes,
Nick.
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Nick's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
Nick: Most boxes and sets have ultra-low-power stand-by modes, but you usually leave them on to allow overnight EPG and firmware upgrades.
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Thursday, 21 April 2011
N
Nick9:35 AM
Woodbridge
Brian, you are being very good answering all these questions. I hope your answers are useful to others.
I assume you cannot recommend a box, but I have seen nothing other than cheap lately.
Sorry to be dense, but say you switch off the box overnight or even a couple of weeks when on holiday, would it not 'catch up' with the info it requires? After all, when they are in the box at the shop, they are not 'learning' anything.
Kind regards,
Nick
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Nick's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
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