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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.

This transmitter has no current reported problems

The BBC and Digital UK report there are no faults or engineering work on the Sudbury (Suffolk, England) transmitter.

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, 25 ITV4, 30 E4 +1, 35 ITV +1 (Anglia east),

PSB3
BBCB
 H max
C47 (682.0MHz)229mDTG-6100,000W
Channel icons
73 Shopping Quarter , 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, 204 CBBC HD, plus 1 others

COM4
SDN
 H max
C29 (538.0MHz)186mDTG-3100,000W
Channel icons
 CCXTV, 12 Quest, 20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 42 GREAT! movies action, 45 Channel 5 +1, 56 5SELECT, 58 ITVBe +1, 59 ITV3 +1, 60 ITV4 +1, 64 Blaze, 67 CBS Reality, 68 Horror Channel, 74 Drama +1, 78 TCC, 81 Blaze +1, 203 CITV, 211 Ketchup TV, 212 YAAAS!, plus 16 others

COM5
ArqA
 H max
C31- (553.8MHz)228mDTG-8100,000W
Channel icons
11 Sky Arts, 17 Really, 19 Dave, 31 4Music, 36 pick, 40 Quest Red, 43 Food Network, 46 Film4 +1, 47 Challenge, 48 4seven, 57 Smithsonian Channel, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 9 others

COM6
ArqB
 H max
C37 (602.0MHz)228mDTG-8100,000W
Channel icons
25 Dave ja vu, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 41 CBS Justice, 44 HGTV, 68 CBS Drama, 82 Talking Pictures TV, 84 PBS America, 234 RT, 235 Aljazeera English, plus 17 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 11 Freeview HD channels?

the effected 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: BBC Four HD, BBC News HD, CBeebies HD, Forces TV, FreeSports, More4 +1, Now 70s, PBS America +1, That's TV , Quest Red +1, RT HD.

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 - 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
Friday, 7 January 2022
A
Aytch
sentiment_satisfiedBronze

3:04 PM

Hi Chris. Many thanks for the latest reply.
I will endeavour to "have a go" but can't promise when I will get time to "nip in and out" of the loft as my spare time is very limited at the mo and to make matters worse I have no loft ladder or Arctic-wear!!
Am very appreciative of your continued help!!
Will try to update in the very near future.

link to this comment
Aytch's 22 posts GB
Saturday, 8 January 2022
R
Richard Owen
sentiment_satisfiedBronze

1:42 PM

Many thanks StevensOnln 1
I know the Mobile companies bought the spectrum , but I was hopeful of a Freeview expansion once 1 and 2G are switched off . What will be the guide number for SD BBC 3 , if you happen to know ?

link to this comment
Richard Owen's 41 posts GB
S
StevensOnln1
sentiment_very_satisfiedPlatinum

2:35 PM

Richard Owen: The 1st generation analogue mobile networks run by Cellnet (now O2) and Vodafone were closed down around 20 years ago and the frequencies were reused to expand capacity the 2G GSM digital networks. Those frequencies in the 900MHz range have never been used for broadcasting and are outside of the range that UHF TV aerials are designed to receive.

BBC Three's channel number hasn't been announced yet but according to Ofcom rules it has to be within the first 24 positions on Freeview (LCN 24 is currently used for BBC Four in Scotland and there are no lower unused numbers so there will have to be a reshuffle to accommodate BBC Three).

link to this comment
StevensOnln1's 3,332 posts GB
C
Chris.SE
sentiment_very_satisfiedPlatinum

3:12 PM

Aytch:

No problem, I didn't expect you to rush, in your own time. Yes, I noted the need for Arctic-wear when putting some Xmas decorations away :)

link to this comment
Chris.SE's 2,980 posts GB
Saturday, 15 January 2022
R
RBZ5416
3:22 PM

Is there an upgrade program to enable this transmitter for Com7/8 do you know?

link to this comment
RBZ5416's 1 post GB
C
Chris.SE
sentiment_very_satisfiedPlatinum

3:48 PM

RBZ5416:

COMs 7/8 were always only ever temporary HD multiplexes and COM7 is now only currently broadcast from 25 main transmitters. COM8 closed in June 2020 primarily for commercial reasons influenced by the pandemic, and COM7 is scheduled to close at the end of June 2022 under the terms of the current OFCOM licence.
There's been no announcements about what will happen to any of the channels on COM7. There's lots of speculation but no facts!

link to this comment
Chris.SE's 2,980 posts GB
Tuesday, 3 May 2022
D
Denis Wicking
5:51 PM

C37 com6 seems to have disappeared in the last week

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Denis Wicking's 2 posts GB
C
Chris.SE
sentiment_very_satisfiedPlatinum

6:51 PM

Denis Wicking:

Sudbury is on Planned Engineering with "Pixelation or flickering on some or all channels".
If you are far enough away from the transmitter that might result in no signal.
If you happened to retune when you had bad pixellation or no signal, it will most likely have just cleared the correct tuning.

link to this comment
Chris.SE's 2,980 posts GB
Wednesday, 4 May 2022
D
Denis Wicking
7:39 AM

Chris.SE: Thanks for the update - I haven't retuned - just zero signal/zero strength on C37. I'll wait a week for restored service - at least it is only C37

link to this comment
Denis Wicking's 2 posts GB
C
Chris.SE
sentiment_very_satisfiedPlatinum

2:54 PM

Denis Wicking:

Have you tried a manual retune just on C37? Sometimes auto-retunes will miss weaker signals.
Whilst it is possible, it would be unusual for a single mux to be on low power/or off-air for any lengthy period. Also check all your coax connections, sometimes a bad connection can seriously affect just one mux due to standing waves resulting from the bad connection.

It could be that you are unfortunate to be in one of those locations where a given mux has poorer reception due to the terrain and possible interference from other transmitters.
If you give a full postcode we could look at your predicted reception.

link to this comment
Chris.SE's 2,980 posts GB
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Your comment please
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.

If you have no satellite signal, see Sky Digibox says 'No Signal' or 'Technical fault'

If you have other problems, please provide a full (not partial) postcode (or preferably enter it in box at the top right) and indicate where if aerial is on the roof, in the loft or elsewhere.

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