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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 25/03/2024 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),

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 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

COM5
ArqA
 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

COM6
ArqB
 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
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, 7 July 2011
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

2:13 PM

Steve Wilson: Unfortunately none the pictures of the masts I've found actually indicate which way is north! C56 is reportedly omni-directional, but low power, while C68 is reportedly restricted to the east of the transmitter.

Digital UK currently predicts no coverage from either frequency at your location. This will change in two weeks at the second stage of switch-over.

It also predicts that you should have a much better chance of reliable reception on all six multiplexes if you use Tacolneston, rather than Sudbury.

link to this comment
Mike Dimmick's 2,486 posts GB flag
S
Steve Wilson
2:22 PM
Bury St. Edmunds

Thanks yet again Mike, this all makes me wonder how I have had years of trouble-free digital viewing from Sudbury. Roll on the 20th!

link to this comment
Steve Wilson's 4 posts GB flag
Steve's: mapS's Freeview map terrainS's terrain plot wavesS's frequency data S's Freeview Detailed Coverage
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

2:36 PM

poeter: For the next two weeks, BBC One, ITV1, C4 and C5 are still available on analogue. *So far* only the BBC channels have gone to high-power digital, the other digital channels are still on low power. The other public-service channels will go to high-power on the 20th of July.

There will be some subsequent changes on 16 November, when Multiplex D changes channel so that Tacolneston can start using it the following week, and on 27 June 2012, when the final channels for Multiplex A, C and D are available - they will reach full power on this date.

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Mike Dimmick's 2,486 posts GB flag
Dale
sentiment_satisfiedBronze

3:21 PM

Mike : Chsnnel 68 from Sudbury is definitely NOT directed at the East : it is almost non-existent East of Sudbury. Channel 56 from Sudbury B is the only version of Mux 2 that carries to the East. That said, Steve in Bury is to the West of Sudbury so might have a chance of getting CH68.

This is quite a good page :
Sudbury Transmitter (IP29XY)

link to this comment
Dale's 78 posts GB flag
Dale
sentiment_satisfiedBronze

3:31 PM
Ipswich

Have just found that Mux 2, on Channel 56 from Sudbury B, while still on very low power, is now using 8K FFT mode : I have no idea what that REALLY means (!!) but I wonder if the change from 2K mode (which was not predicted until DSO 2 on 20th July) is the reason why many people are having problems with Mux 2, on both CH56 and CH68, since yesterday. The signal quality here (IP2), for instance, has gone from 80% down to a fluctuating 50-60% since switchover.

link to this comment
Dale's 78 posts GB flag
Dale's: mapD's Freeview map terrainD's terrain plot wavesD's frequency data D's Freeview Detailed Coverage
N
Norman
4:00 PM

I seem to have lost the red button services on BBC since the Sudbury changes yesterday. This is on a Phillips television with built in freeview. Have tried removing power from TV then powering on and re-installing all services with no aerial and the with aerial, (the closest thing I can find on the menus to factory reset).

EPG working fine, as are subtitles, excellent reception shown on signal quality and no picture breakup problem. Any suggestions welcome.

link to this comment
Norman's 1 post GB flag
C
Chris
8:10 PM
Colchester

Seem to have very poor signal quality on BBC1 & 2 since switchover. Have done several factory resets and rescans but still the same. This is on one TV with integated tuner and two freeview boxes. CO3 4SS postcode

link to this comment
Chris's 1 post GB flag
Chris's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
Tim
sentiment_satisfiedBronze

9:40 PM
Walton On The Naze

Liam: It's my understanding that the COM channels (SDN, ARQ A, ARQ B, and NEW 7 & 8) will go full power from Sudbury on 27th June 2012, but the present muxes should show a small increase in power on 20th July 2011.

link to this comment
Tim's 34 posts GB flag
Tim's: mapT's Freeview map terrainT's terrain plot wavesT's frequency data T's Freeview Detailed Coverage
Friday, 8 July 2011
J
John Stone
9:41 AM
Hockley

Hi, I live in south Essex and the signal on ch50 from Sudbury has dissapeared and ch68 is lower than it was before 6/7. I can receive a low signal on ch56. Ch54, ch49 and of cause ch44 are fine.
John

link to this comment
John Stone's 10 posts GB flag
John's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
D
Dave E
10:08 AM
Colchester

John Stone:

For a channel 50 replacement, try ch 55 from Dover. I get that here at usable strength 5mi south of Colchester, although the odd thing is that nothing about ch50 has changed yet. Perhaps there is an inversion in progress.

link to this comment
Dave E's 5 posts GB flag
Dave's: mapD's Freeview map terrainD's terrain plot wavesD's frequency data D's Freeview Detailed Coverage
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