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 09/09/2024 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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Thursday, 7 July 2011
M
Mike Dimmick2:13 PM
Steve Wilson: Unfortunately none the pictures of the masts I've found actually indicate which way is north! C56 is reportedly omni-directional, but low power, while C68 is reportedly restricted to the east of the transmitter.
Digital UK currently predicts no coverage from either frequency at your location. This will change in two weeks at the second stage of switch-over.
It also predicts that you should have a much better chance of reliable reception on all six multiplexes if you use Tacolneston, rather than Sudbury.
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S
Steve Wilson2:22 PM
Bury St. Edmunds
Thanks yet again Mike, this all makes me wonder how I have had years of trouble-free digital viewing from Sudbury. Roll on the 20th!
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Steve's: mapS's Freeview map terrainS's terrain plot wavesS's frequency data S's Freeview Detailed Coverage
M
Mike Dimmick2:36 PM
poeter: For the next two weeks, BBC One, ITV1, C4 and C5 are still available on analogue. *So far* only the BBC channels have gone to high-power digital, the other digital channels are still on low power. The other public-service channels will go to high-power on the 20th of July.
There will be some subsequent changes on 16 November, when Multiplex D changes channel so that Tacolneston can start using it the following week, and on 27 June 2012, when the final channels for Multiplex A, C and D are available - they will reach full power on this date.
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Dale
3:21 PM
3:21 PM
Mike : Chsnnel 68 from Sudbury is definitely NOT directed at the East : it is almost non-existent East of Sudbury. Channel 56 from Sudbury B is the only version of Mux 2 that carries to the East. That said, Steve in Bury is to the West of Sudbury so might have a chance of getting CH68.
This is quite a good page :
Sudbury Transmitter (IP29XY)
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Dale
3:31 PM
Ipswich
3:31 PM
Ipswich
Have just found that Mux 2, on Channel 56 from Sudbury B, while still on very low power, is now using 8K FFT mode : I have no idea what that REALLY means (!!) but I wonder if the change from 2K mode (which was not predicted until DSO 2 on 20th July) is the reason why many people are having problems with Mux 2, on both CH56 and CH68, since yesterday. The signal quality here (IP2), for instance, has gone from 80% down to a fluctuating 50-60% since switchover.
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Dale's: mapD's Freeview map terrainD's terrain plot wavesD's frequency data D's Freeview Detailed Coverage
N
Norman4:00 PM
I seem to have lost the red button services on BBC since the Sudbury changes yesterday. This is on a Phillips television with built in freeview. Have tried removing power from TV then powering on and re-installing all services with no aerial and the with aerial, (the closest thing I can find on the menus to factory reset).
EPG working fine, as are subtitles, excellent reception shown on signal quality and no picture breakup problem. Any suggestions welcome.
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Seem to have very poor signal quality on BBC1 & 2 since switchover. Have done several factory resets and rescans but still the same. This is on one TV with integated tuner and two freeview boxes. CO3 4SS postcode
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Chris's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
Tim
9:40 PM
Walton On The Naze
9:40 PM
Walton On The Naze
Liam: It's my understanding that the COM channels (SDN, ARQ A, ARQ B, and NEW 7 & 8) will go full power from Sudbury on 27th June 2012, but the present muxes should show a small increase in power on 20th July 2011.
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Tim's: mapT's Freeview map terrainT's terrain plot wavesT's frequency data T's Freeview Detailed Coverage
Friday, 8 July 2011
J
John Stone9:41 AM
Hockley
Hi, I live in south Essex and the signal on ch50 from Sudbury has dissapeared and ch68 is lower than it was before 6/7. I can receive a low signal on ch56. Ch54, ch49 and of cause ch44 are fine.
John
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John's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
D
Dave E10:08 AM
Colchester
John Stone:
For a channel 50 replacement, try ch 55 from Dover. I get that here at usable strength 5mi south of Colchester, although the odd thing is that nothing about ch50 has changed yet. Perhaps there is an inversion in progress.
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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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