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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 18/11/2024 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
Thursday, 31 January 2013
M
Mary
12:55 PM
Ipswich

Good Morning,

I had YouView installed on Thursday (24th) through TalkTalk.

Whilst I have a very healthy 36 channels to choose from, my problem is that:

I live in Ipswich which for local News, Weather and adverts comes under Anglia.
If I try to watch either BBC or ITV HD channels, I do not receive Anglia but for ITV HD get Meridian and for BBC get This is BBC HD (both for the Sussex/Kent area), which is not my local news, weather and adverts.

I have now spoken with TalkTalk each day since Friday regarding this problem and have now basically been told that there is nothing further they can do to assist to rectify the problem.

Yesterday I got in touch with YouView directly and they suggested that I contact DigitalUK, which I have now done but they just say re-tune.

I have re-tuned my YouView box and my postcode is showing correctly.

I was just wondering if anyone may be able to offer some advice as to where I may go from here.


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Mary's 1 post GB flag
Mary's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Dave Lindsay
sentiment_very_satisfiedPlatinum

1:44 PM

Mary: There are fewer HD regions due to the cost of providing different feeds.

BBC One HD has one region for the whole of England which means that no regional output is carried on it.

Nationwide, ITV has opted to provide about four or five HD regions and those transmitters whose region there isn't a HD equivalent of get the ITV HD of another region.

The majority of the time, all regions carry the same content. So providing a HD feed for each and every region would only be of benefit for the short periods that they are different.


You say that you get 36 channels but Sudbury broadcasts all Freeview channels. To receive all channels you may need your aerial replacing.

Refer to this page for a list of Freeview services (channels):

DTG :: DTT Services by Multiplex

Those with grey and a bullet in the "E" (England) column apply. There are 36 services on the PSB multiplexes which leads me to suspect that you are not receiving the COMs, which, for Sudbury, may require a different aerial.

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Dave Lindsay's 5,724 posts GB flag
K
KMJ,Derby
sentiment_satisfiedGold

8:25 PM

Mary: You have to switch to standard definition muxes for local news. This situation is the same for satellite viewers. Eventually, in the event that Freeview only transmits in DVB-T2, the correct local news bulletins will no doubt be provided on HD channels. The situation for satellite viewers is a little more complicated as there are so many standard def. satellite receivers in use. Possibly both Freeview and satellite viewers will be forced to buy HD receivers in the future!

link to this comment
KMJ,Derby's 1,811 posts GB flag
Sunday, 3 February 2013
N
Nick
sentiment_satisfiedGold

9:12 PM

JB/Dave,
Sorry to call on you again but I have yet another problem from Sudbury. You may recall the problems I had with the mux on c60. I have a big aerial, 28db booster, on a long pole in a high location and with no Dutchmen interfering in the winter can now get it. However, the hitherto strongest muxes showing 100%, ie ch41 and 44, are now periodically partially breaking up. Can this happen with TOO MUCH signal?

link to this comment
Nick's 431 posts GB flag
J
jb38
sentiment_very_satisfiedPlatinum

9:35 PM

Nick: Well yes! as it can do, and so unless your booster is of the mast head type whereby its up to a point out of reach you should try a test by either by-passing it, or if it is of the mast head type just connect a variable attenuator in line with it, that is should you have one lying about amongst the various bits and pieces of equipment that I believe you might have there.

Just out of curiosity, did you test to make sure that Ch60 was still NOT being received before you installed your new aerial system? the only reason for asking being that terrain changes as far as reflective properties are concerned that usually occur during the winter months can alter reception whereby some might lose channels and others might gain, this being my reason for asking.

It should also be appreciated though, that the changing conditions referred to can also be to the detriment of a channel that was previously OK before, I only say this in case there is no difference when you reduce the signal.

link to this comment
jb38's 7,179 posts GB flag
Tuesday, 5 February 2013
N
Nick
sentiment_satisfiedGold

7:44 AM

Thanks JB.
No, could not get c60 before upgrade.
Masthead amp, suppose I now have to attenuate and lose c60.
For your interest, I have been surprised how Dover comes in in winter as well as summer, but have now removed aerial. Before doing so I did a strength test. I noticed the signal was lower on c59, despite the power on that channel being double that of some other channels. Dover uses a group c/d aerial and unlike Sudbury, the channels are not widely spread needing a wideband. To me this shows that signals travel less well on the high channels and that my problem with Sudbury is that they are too widely spread, some with too much signal, some not enough, just can't win!

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Nick's 431 posts GB flag
Monday, 25 February 2013
P
PETER HUGHES
3:50 PM
Clacton-on-sea

Today, Monday 25 February, 2013, at approximately 3.15 pm, I was watching BBC ONE, from the Sudbury transmitter (UHF Channel 44) when suddenly sound and vision went blank, leaving the dark screen, with just the set's back screen illumination present. Within about 15 seconds music was playing but screen remain dark / blank.
My immediate thought that this might be a local Clacton pirate radio station, over powering the Sudbury signal. When the record finished, BBC presenter's voice (Stewart Mc Connie) started talking. The "replaced" sound was, in fact, BBC Radio 6 Music channel (which is also part of the BBC MUX on UHF Channel 44) I then pressed channel 1 on the Freeview remoote and on screen it showed BBC ONE AUDIO, CH. UHF 44.
Then about a minute later, the radio sound was replaced by BBC ONE sound plus return of vision. Did anybody else witness this? I assume that someone at Sudbury station "got their lines crossed" ???


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PETER HUGHES's 13 posts GB flag
PETER's: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
Monday, 4 March 2013
P
peter parker
2:58 PM
Ipswich

hello,
i have 2 separate teles one on a lft aerial and one on a highgain gable end erected aerial,but am unable to receive channels yesterday,dave and quest ect,
help. my arerials are tuned to the sudbury transmitter

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peter parker's 2 posts GB flag
peter's: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
P
peter parker
3:09 PM
Ipswich

I have 2 teles ,one on a loft aerial and the 2nd on a highgain gable end external aerial tuned to sudbury transmitter,but cant receive the yestrday,dave,really channels etc.,
help is their a reason for this.
peter

link to this comment
peter parker's 2 posts GB flag
peter's: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
Dave Lindsay
sentiment_very_satisfiedPlatinum

3:33 PM

peter parker: Suffolk One College appears to be close to the signal path. Also, you are not the only person to have issues with COM5 (C60) from Sudbury. Nick in Hollesley finds it to be intermittent, and you are on the same bearing from the transmitter.

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Dave Lindsay's 5,724 posts GB flag
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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.

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