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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Wednesday, 1 August 2018
M
Martin Ellis7:48 AM
We were advised that we would have to retune our televisions this morning following changes to the broadcasting situation in our area. We did this but have noticed that we've lost many of the channels we could receive yesterday. Very annoying to say the least! Can you please advise why, every time there are changes to the Sudbury transmitter we lose channels? Our postcode is CM82JS.
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S
StevensOnln110:16 AM
Martin Ellis: The most likely explanation is that you're using an older grouped aerial which was not designed to receive the lower frequencies now being used by COM4-6 at Sudbury. If you don't have satellite or cable you should be entitled to have a replacement wideband aerial fitted free of charge, which can be arranged by contacting the Freeview Advice Line (see link below).
Important changes to Freeview TV signals | Freeview
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Thursday, 2 August 2018
G
Godfrey Holdcroft9:15 AM
Poor signal quality on Sudbury multiplex 31 all other muxes fine after 1/8/2018 retune. Does anyone have an explanation please?
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H
Hardy10:19 AM
Godfrey .Could be you have a groupE aerial . Might be not quite good enough for the BBCB (HD channels) multiplex. A group K or wideband is now needed. If you have no cable or satellite Freeview may be able to provide a new aerial.
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Friday, 3 August 2018
does anyone know if the provider of this site still exists? Information re muxes is months out of date.
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Saturday, 4 August 2018
MikeP
3:19 PM
3:19 PM
Nick Horrex:
You have been told before that Briantist has not updated this website for some time and that he is the ob=nly person who can perform the updates. We regular contributors have no idea as to why he has not done so.
We have also stated that if you want details of multiplex allocations you should put a post code into the Digital UK Coverage Checker.
The fact that the channel allocations have not been updated on this website does not negate the value of it to those having reception problems as we contributors will usually refer them to the Coverage Checker for such information when relevant. Otherwise, we will use our considerable experience to offer guidance to those seeking assistance.
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Monday, 6 August 2018
C
Chris.SE11:48 PM
Cheddar
Briantist: and anyone else reading, for the sake of clarity as of the 1st August, the muxes at Sudbury are as follows -
PSB1(BBCA) - UHF44; PSB2(D3&4) - UHF41; PSB3(BBCB HD) - UHF47; SDN - UHF29; ARQA - UHF31; ARQB - UHF37. All Muxes 100kW each. Aerial group K is better, Horizontal.
DigitalUK indicate no further channel changes are planned.
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Chris.SE's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
Thursday, 9 August 2018
J
Jo3:29 PM
Since the most recent upgrade I have lost all the Multiplex COM5 ARGA Arqiva A channels. I called Freeview who sent an engineer but he could not touch it as the main TV (commandeered by my husband of course) is linked to a Sky box. All the other TVs are freeview. Daughters and I very frustrated. Of course I have tried retune and restart but no joy. Connected to the Sky aerial via a splitter. Any ideas please? Freeview guy suggested 500 worth of rewiring! Thank you Government.
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M
MikeB5:30 PM
Jo: Check the TV's for signal strength, etc. You havnt included a postcode, so we have no idea what sort of signal you are supposed to be getting, but it could be that Com5 is the canary in the coalmine, and the others are also low signal strength. So check the lot. Next, check you are tunedninto the right transmitter - TVs can lock onto a different transmitter, perhaps much further away.
If the signal is bad on all of them, then its a common cause, so look to where that is - perhaps a failing splitter or dodgy booster power supply.
What do you mean by a Sky aerial? That comes off a dish, so the assumption is that the signal comes off via coax throught the house, fed from either.
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