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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 03/10/2022 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
Wednesday, 2 March 2016
J
jb38
sentiment_very_satisfiedPlatinum

11:56 PM

nick : There's no chance of receiving AlJazerra (108) in the Suffolk area anyway, simply because said programme is now broadcast on COM7 which is not part of the multiplex line up at Sudbury.

Of course even if it was, only viewers with TV's or boxes capable of receiving HD transmissions could view the channel as COM7 is an HD multiplex, whereas previously when it was broadcast on COM6 anyone could, COM6 being a standard SD transmitter.


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jb38's 7,179 posts GB
Wednesday, 9 March 2016
N
nick
sentiment_satisfiedGold

8:20 PM

thanks, JB, but why is Sudbury exempt from the new multiplex? It is not a relay, supposed to offer full service. Why also has Aljazeera left us in the lurch by vacating 133?

link to this comment
nick's 374 posts GB
Friday, 8 April 2016
Transmitter engineering
sentiment_very_satisfiedOwner

5:32 PM

SUDBURY transmitter - Freeview: HD Digital TV Wrong Region from 12:16 yesterday to 12:29 yesterday. [BBC]

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Transmitter engineering's 138,029 posts xx
Saturday, 9 April 2016
Transmitter engineering
sentiment_very_satisfiedOwner

5:31 AM

SUDBURY transmitter - Freeview: HD Digital TV Wrong Region from 12:16 on 07 Apr to 12:29 on 07 Apr. [BBC]

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Transmitter engineering's 138,029 posts xx
Saturday, 30 April 2016
T
Tim
2:09 PM

Why can't you transmit BBC4 HD on the old BBC3 HD channel. Can't be that difficult can it?

link to this comment
Tim's 1 post GB
E
eastangliauk
8:50 PM

because Five HD is going to be using this slot but really annoyed we have now lost CBS drama if other channels going to move to com 7 & 8 its best dumping freeview to get freesat

link to this comment
eastangliauk's 1 post GB
J
Jim
9:07 PM

I can get all channels full strength from the Sudbury transmitter bar channel 47. No signal at all, which loses me Al Jazeera and other channels.
This is on 3 different TV's in the house. Signal is boosted.
Could anyone shed any light please?

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Jim's 1 post GB
J
jb38
sentiment_very_satisfiedPlatinum

9:44 PM

Jim : Mux 47, if this is what you are meaning and not EPG47? is an HD transmitter only receivable on TV's or boxes fitted with DVB-T2 tuners, can you receive BBC HD on 101?

If though you can, and are meaning that you are unable to view 4seven (47) but can CBS action on (64), then carry out a retune on your TV to update the programme guide, however, if by any chance you are unable to view either of the two then you are not receiving COM6.

Further advice dependant on reply.

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jb38's 7,179 posts GB
Sunday, 8 May 2016
T
The Snail
4:21 PM
Chelmsford

I have lost transmission from

C56
C60
C58

C60 and C58 in the last fortnight and C56 as of today 8/5/2016

We had been receiving the programmes on these IMUXs for several years.

Auto tuning on my TV finds only all channels other than the above.i.e.C41 C44 and C47.

It is not the television since both Freeview Boxes in the house suffer from this problem.

I was sent a C60 filter by At800 but this seemed to help as on Saturday when I fitted the filter the C60 IMUX was visible for manual tuning. This IMUX (C60) has now disappeared even with the filter fitted.

What is going on:

1. It does not seem to be a TV problem - both Freeview boxes both 'see' the same IMUXes

2. Does not seem to an aerial problem as we have been getting these IMUXes until recently.

3. Since C60 filter now makes no difference -it is not likely to be 4G interference.

So has anything happened/changed at Sudbury to result in what I describe?

My postcode is CM2 8EB .



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The Snail's 6 posts GB
M
MikeB
sentiment_very_satisfiedPlatinum

6:44 PM

The Snail: Whats your signal strength on all the muxes? If some muxes are vanishing, but others just holding on, that points to a possible wiring problem, with some muxes going, but others (even though they might be of the same power) surviving.

Since they are on both TV's (same brand, hence similar tuners?), that points to a common problem, so its likely to be a cable problem from the aerial to where the signal splits. Do you have a booster? And could it be failing?

I suspect that a cable might literally be hanging by a thread....

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MikeB's 2,579 posts GB
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