menuMENU    UK Free TV logo Freeview



Click to see updates

Full Freeview on the Sudbury (Suffolk, England) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps52.005,0.786 or 52°0'17"N 0°47'8"Esa_postcodeCO10 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 19/02/2024 Pixelation or flickering on some or all channels Digital tick

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name

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.

 H max
C44 (658.0MHz)229mDTG-100,000W
Channel icons
1 BBC One (SD) East, 2 BBC Two England, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, plus 16 others

 H max
C41 (634.0MHz)229mDTG-100,000W
Channel icons
3 ITV 1 (SD) (Anglia (East micro region)), 4 Channel 4 (SD) South ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (Anglia east),

 H max
C47 (682.0MHz)229mDTG-100,000W
Channel icons
46 5SELECT, 101 BBC One HD East, 102 BBC Two HD England, 103 ITV 1 HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 107 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

 H max
C29 (538.0MHz)186mDTG-100,000W
Channel icons
20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 Dave ja vu, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 78 TCC, 81 Blaze +1, 83 Together TV, 89 ITV4 +1, 91 WildEarth, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 30 others

 H max
C31- (553.8MHz)228mDTG-8100,000W
Channel icons
11 Sky Mix, 17 Really, 19 Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 Drama +1, 65 That's TV 2, 70 Quest +1, 74 Yesterday +1, 75 That's 90s, 233 Sky News, plus 11 others

 H max
C37 (602.0MHz)228mDTG-8100,000W
Channel icons
12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! romance, 56 That's TV (UK), 61 GREAT! movies extra, 63 GREAT! romance mix, 71 That’s 60s, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 others

DTG-8 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?

regional news image
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
regional news image
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 WestTransposer1000 homes +1000 or more homes due to expansion of affected area?
WithamTransposer14 km NE Chelmsford.118 homes

How will the Sudbury (Suffolk, England) transmission frequencies change over time?

1984-971997-981998-20112011-131 Aug 2018

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

Oct 1959-Feb 2004Anglia Television
Feb 2004-Dec 2014ITV plc
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV Daybreak•
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Sudbury was not an original Channel 3 VHF 405-line mast: the historical information shown is the details of the company responsible for the transmitter when it began transmitting Channel 3.

Wednesday, 10 April 2013

11:33 PM

Thank you, JB.
I will have a look for the software version on the tvonics box and get back to in layman's terms, there might not be a faulty component making it lose sound, it just needs updating but such would be difficult?
I do not understand why these modern devices need to be updated just to keep them doing the basic things they were purchased for.
Next door is a freesat box, it comes up with all sorts of reasons why it won't go, mostly lies, but that one is easy to fix, just switch off at mains.

link to this comment
Nick's 425 posts GB flag
Friday, 26 April 2013

8:12 AM

JB, apologies for the delay.
Software version.

One day the sound worked, the next not. Scarts played with, replaced, no effect.


link to this comment
Nick's 425 posts GB flag
Wednesday, 19 June 2013

5:13 PM

Isn't it time to remove the Mux 2* to Mux D* entries in the 'How do the old analogue and currrent digital signal levels compare?' table above?

link to this comment
Heinz's 25 posts GB flag
Heinz's: mapH's Freeview map terrainH's terrain plot wavesH's frequency data H's Freeview Detailed Coverage

5:15 PM

Heinz: They are there for comparison with the current SDN, ARQA, ARQB, BBCA, D3+4, BBCB levels...

link to this comment
Briantist's 38,910 posts GB flag
Friday, 5 July 2013
2:07 AM

Why does my parents sudbury reception take a hit on Oct 13 CM15 9DD Some guys were around offering to turn the few antennas that point at sudbury.

link to this comment
franky's 1 post GB flag
franky's: mapF's Freeview map terrainF's terrain plot wavesF's frequency data F's Freeview Detailed Coverage

8:45 AM

franky: It's "October 2013", rather than "13th October".

You should probably wait to see if you have a problem first, as you move from "good" to "marginal" on the HD mux only.

link to this comment
Briantist's 38,910 posts GB flag
Dave Lindsay

11:12 AM

franky: It's only a prediction and therefore not a forecast of what "will" happen.

There must be a reason that the prediction changes, but the Digital UK predictor doesn't give anything away on that score.

I don't think it's anything to be concerned about.

link to this comment
Dave Lindsay's 5,724 posts GB flag
Wednesday, 24 July 2013
10:18 AM

Can anyone give me an answer to a query regarding Channel 4, I called round to my nan's house on Monday (July 22nd) she has a Panasonic widescreen dtv in the living room, in the kitchen she has an old 14 inch portable with a settop box that came from tesco's.
Both have given no problems and have excellent reception, but I noticed that the Channel 4 picture had black bars at the top and bottom (larger than I had seen before) Panasonic was completely fine and I was there a couple of hours and the portable stayed the same even when the programme changed, Channel 4+1 is the same but I did not check E4 or More4, all other channels on the were completely fine with no black bars.
Is this something that Channel 4 are doing ie maybe trying out a different broadcast type or is this something at the transmitter as I know thaw have been doing engineering work, any advise would be gratefully received, thanks in advance.

link to this comment
Jason's 11 posts GB flag

10:29 AM

Jason: Was you nan watching a film or an old programme? Flat screen TV's are whats called 16:9 - they are rectangles, whereas old CRT TV's are 4:3 - almost square. Widescreen films are even more elongated than widescreen TV's.

If you watch something like Dads Army on an old CRT, its fine - because the programme was made to fit that 'shape'. If you watch a modern programme, the ends tend to be cut off, and if you watch a widescreen film, you end up with a 'letterbox' effect, with black strips at top and bottom. Its called the 'aspect ratio'. I suspect that thats whats changed, and you can vary it in the TV's setup menu.

link to this comment
MikeB's 2,579 posts GB flag
Thursday, 25 July 2013
4:03 AM

MikeB no it was not an old programme it was an afternoon so we are talking Countdown and Deal or no Deal, and its also been constant so its all programmes, the black bars actually look like the ones you get if a widescreen film is being shown and watched on a 4:3 tv, it almost looks like the whole station is being broadcast in a full widescreen format.
And yes I do know about the difference between 16:9 and 4:3 ratios, it just seems strange that its happened recently, I also have and old portable myself so I decided to try that at mine with a set-top box and got exactly the same result.

link to this comment
Jason's 11 posts GB flag
Select more comments

Your comment please
Please post a question, answer or commentIf you have Freeview reception problems before posting a question your must first do this Freeview reset procedure then see: Freeview reception has changed, Single frequency interference, and Freeview intermittent interference.

If you have no satellite signal, see Sky Digibox says 'No Signal' or 'Technical fault'

If you have other problems, please provide a full (not partial) postcode (or preferably enter it in box at the top right) and indicate where if aerial is on the roof, in the loft or elsewhere.

UK Free TV is here to help people. If you are rude or disrespectful all of your posts will be deleted and you will be banned.

Privacy policy: UK Free Privacy policy.