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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 26/09/2022 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-3100,000W
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, 250 BBC Red Button, plus 15 others

PSB2
D3+4
 H max
C41 (634.0MHz)229mDTG-3100,000W
Channel icons
3 ITV (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, 30 E4 +1, 35 ITV +1 (Anglia east),

PSB3
BBCB
 H max
C47 (682.0MHz)229mDTG-6100,000W
Channel icons
56 5SELECT, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 109 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

COM4
SDN
 H max
C29 (538.0MHz)186mDTG-3100,000W
Channel icons
12 Quest, 20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 41 Legend, 42 GREAT! movies action, 46 Channel 5 +1, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 74 Dave ja vu, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 203 CITV, 208 POP MAX, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 15 others

COM5
ArqA
 H max
C31- (553.8MHz)228mDTG-8100,000W
Channel icons
11 Sky Arts, 17 Really, 19 Dave, 31 E4 Extra, 36 pick, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 57 Smithsonian Channel, 60 Drama +1, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 8 others

COM6
ArqB
 H max
C37 (602.0MHz)228mDTG-8100,000W
Channel icons
 FreeSports, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 71 Quest Red +1, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 88 Classic Hits, 235 Aljazeera English, plus 19 others

DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
DTG-8 64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)

Are you trying to watch these 0 Freeview HD channels?


The Sudbury (Suffolk, England) mast is not one of the extended Freeview HD (COM7 and COM8) transmitters, it does not provide these high definition (HD) channels: .

If you want to watch these HD channels, either use Freesat HD, or move your TV aerial must point to one of the 30 Full Freeview HD transmitters. For more information see the want to know which transmitters will carry extra Freeview HD? 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
Monday, 30 January 2012
P
Phil
11:49 PM
Halstead

Many thanks for your replies Guys.

I can't tell you anything about the exact quality I'm receiving, I wouldn't know how to find out - this is an integrated tv, I can't see any mention on the menus of signal strength etc., but the rest of the channels work fine.
The aerial is 20 years old.
The page on single frequency interference would seem to apply, however, I'm baffled really because I have not changed anything - there is no equipment connected - no Sky, or other boxes, and the aerial has not changed. The only change has been the retune - after the final phase, the channels referred to as group D have disappeared. I've tried retuning three times to no avail. And I don't feel I should have to buy a new aerial when the one I have was working before the retune.

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Phil's 2 posts GB
Tuesday, 31 January 2012
P
Peter
12:03 AM
Colchester

When SUDBURY completes it's changeover in mid 2012, will SDN and the two Arq mpxs increase their power to anything like the 100kW of the other mpxs?

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Peter's 6 posts GB
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

12:36 AM

Peter: Yes, exactly 100 kW.

The coverage still will not be equivalent as the commercial muxes have chosen to use a less robust, but higher-capacity mode. They have started making this changeover already. In addition, the PSBs got the best channel allocations, the commercial muxes will be subject to greater interference from other transmitters.

Finally, Rouncefall's transmissions help to reinforce Sudbury's coverage in many areas, but it only transmits the PSB services. The COMs get no help from Rouncefall.

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Mike Dimmick's 2,486 posts GB
Briantist
sentiment_very_satisfiedOwner

6:28 AM

Peter: It's shown above in the "Comparison of analogue and digital signal levels" section...

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Briantist's 38,844 posts GB
Saturday, 4 February 2012
V
Val S
8:57 AM
Woodbridge

I subscribe to BT vision and Sky spotrs 1 ans 2 on channel 41 and 42 the pixlatinf picture I am in an aere betrween Talconston and Sudbury but point to Suddbury. I was amazed when my Aerial supplier came to find that Sudbury was not up to full strength yet
Why did it cost me £40.00 to find this out.
We all do not know technical issues and I am very disappointed in the Non info from the digital switchover team. I ubderstand that the Sudbury transmitter will not be upto strength until June.

link to this comment
Val S's 1 post GB
J
jb38
sentiment_very_satisfiedPlatinum

10:35 AM

Val S: Just purely out of interest I wondered if there was any reason why the aerial installer didn't use Tacolneston rather than attempting to get Sudbury @ 27mls? and which as you were informed is operating with very low power on the multiplex that the programmes referred to would use, but Tacolneston @ 18mls is already on high power and is indicated on the reception predictor to having the edge on Sudbury even after it switches completely to high power operation.

Of course its appreciated that there may well be some local reception difficulties applying to your area which will not show up on post code predictors, but I was just curious.

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jb38's 7,179 posts GB
Sunday, 4 March 2012
E
Elaine
3:27 PM
Ipswich

hello
We're at IP6 0LQ, and haved lost all channels on ArqB this weekend. We receive our signal from Sudbury transmitter, and have been trotting along fine for ages now. We've had all aerial, cable, connectors checked recently, and are currently having no issues with any other channels. Anyone else out there having the same issues? Have tried a manual retune on 63 and 50, 51 & 52 and "no channels found". Thanks

link to this comment
Elaine's 2 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

4:47 PM

Elaine: Its pity that you carried out a re-tune as you will have lost ArqB on Mux Ch63 from the TV's / boxes memory as otherwise I would have requested that you to carry out a signal strength check whilst on ITV4 etc, because its likely that the signal had just dropped under the reception threshold level and which would have returned when the it lifted again, as the signal level will still show even although there is no picture.

The reception predictor (trade view) isn't really of any assistance on your particular area code either, as it in effect indicates that you are in a black spot for reception from Sudbury and with no reception from commercial muxes being possible until June, so even although you maybe can receive them there has to be an element of pot luck about it as they are very low powered, so about the only thing you can do is to keep trying a manual tune on Ch63 every few hours until it returns to a level that the receiving equipment can lock on to.

By the way, the commercial multiplexes such as one of that's causing problems, wont be switching over to high power until June 27th when a re-tune event takes place.

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jb38's 7,179 posts GB
Monday, 5 March 2012
Transmitter engineering
sentiment_very_satisfiedOwner

10:31 AM

SUDBURY transmitter - Over the next week Sudbury main transmitter: TV (digital) Liable to interruption, Radio (analogue) working normally, no digital radio. [DUK]

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Transmitter engineering's 138,029 posts xx
Transmitter engineering
sentiment_very_satisfiedOwner

10:31 AM

SUDBURY transmitter - Over the next week Sudbury main transmitter: TV (digital) Liable to interruption, Radio (analogue) working normally, Radio (digital) working normally. [DUK]

link to this comment
Transmitter engineering's 138,029 posts xx
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