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Full Freeview on the Sudbury (Suffolk, England) transmitter

first published this on - UK Free TV
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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 04/11/2024 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
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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.

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 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

PSB2
D3+4
 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), 71 That’s 60s,

PSB3
BBCB
 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

COM4
SDN
 H max
C29 (538.0MHz)186mDTG-100,000W
Channel icons
20 U&Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 U&Dave ja vu, 58 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 81 Blaze +1, 83 Together TV, 91 WildEarth, 93 ITVBe +1, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 251 Al Jazeera English, 255 FRANCE 24 (in English), 265 Rok Sky +1, plus 29 others

COM5
ArqA
 H max
C31- (553.8MHz)228mDTG-8100,000W
Channel icons
11 Sky Mix, 17 Really, 19 U&Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 U&Drama +1, 65 That's TV 2, 70 Quest +1, 74 &UYesterday +1, 76 That's TV 2 MCR, 233 Sky News, plus 13 others

COM6
ArqB
 H max
C37 (602.0MHz)228mDTG-8100,000W
Channel icons
12 Quest, 25 U&W, 27 U&Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 63 GREAT! romance mix, 73 HobbyMaker, 75 That's 90s, 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
B E TB E TB E TE TK T
C29SDN
C31ArqA
C35C5wavesC5waves
C37ArqB
C41ITVwavesITVwavesITVwavesD3+4D3+4
C44BBC2wavesBBC2wavesBBC2wavesBBCABBCA
C47C4wavesC4wavesC4wavesBBCBBBCB
C51tv_offBBC1wavesBBC1wavesBBC1waves
C56tv_offArqB
C58tv_offSDN
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

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.

Comments
Wednesday, 19 June 2013
Heinz
sentiment_satisfiedBronze

5:13 PM
Colchester

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
Briantist
sentiment_very_satisfiedOwner

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 38,915 posts GB flag
Friday, 5 July 2013
F
franky
2:07 AM
Brentwood

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
Briantist
sentiment_very_satisfiedOwner

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 38,915 posts GB flag
Dave Lindsay
sentiment_very_satisfiedPlatinum

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
J
Jason
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
M
MikeB
sentiment_very_satisfiedPlatinum

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
J
Jason
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.

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Jason's 11 posts GB flag
J
Jason
5:38 AM

Just another note to the above post, the 4:3 pan and scan option is enabled in the set-top box menu and this works ok with all the other channels, its the same setting that is enabled on my nan's set-top box as I remember setting it up for her.
I'm just wondering if there is a signal that's broadcast with the programme that enables this 4:3 pan and scan option to work, maybe its been disabled for some reason by channel 4.

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Jason's 11 posts GB flag
Saturday, 27 July 2013
B
Bill
6:53 PM
Maldon

Any thoughts on this Sudbury problem ?

My TV will not tune the Ch60 output (Pick TV etc), it pauses as expected while tuning but never reports any channels.

However my PVR and PC are still receiving Ch60 just fine, as was the TV until I did a retune a couple of weeks back.

At CM9 6HG, a clear view of the mast, and all other MUX are full strength and no pixellation or errors.
TV is Sony.

link to this comment
Bill's 3 posts GB flag
Bill's: mapB's Freeview map terrainB's terrain plot wavesB's frequency data B's Freeview Detailed Coverage
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