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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 20/09/2021 Possible 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, 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, 29 E4 +1, 34 ITV +1 (Anglia east),

PSB3
BBCB
 H max
C47 (682.0MHz)229mDTG-6100,000W
Channel icons
72 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, 28 ITV2 +1, 31 5STAR, 32 Paramount Network, 41 GREAT! movies action, 45 Channel 5 +1, 55 5SELECT, 57 ITVBe +1, 58 ITV3 +1, 59 ITV4 +1, 63 Blaze, 66 CBS Reality, 68 Horror Channel, 73 Drama +1, 77 TCC, 80 Blaze +1, 203 CITV, 211 Ketchup TV, 212 YAAAS!, plus 15 others

COM5
ArqA
 H max
C31- (553.8MHz)228mDTG-8100,000W
Channel icons
11 Sky Arts, 17 Really, 19 Dave, 30 4Music, 35 pick, 39 Quest Red, 42 Food Network, 46 Film4 +1, 47 Challenge, 48 4seven, 56 Smithsonian Channel, 69 Quest +1, 74 Yesterday +1, 82 Together TV, 233 Sky News, plus 9 others

COM6
ArqB
 H max
C37 (602.0MHz)228mDTG-8100,000W
Channel icons
23 Dave ja vu, 26 Yesterday, 33 GREAT! movies, 38 DMAX, 40 CBS Justice, 43 HGTV, 67 CBS Drama, 81 Talking Pictures TV, 84 PBS America, 234 RT, 235 Aljazeera English, plus 18 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, Quest HD, Forces TV, FreeSports, More4 +1, Now 70s, PBS America +1, 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
Saturday, 4 January 2020
Transmitter engineering
sentiment_very_satisfiedOwner

7:47 AM

SUDBURY transmitter - DAB: Off the air due to a fault from 2020-01-04 06:48:18. . [BBC]

link to this comment
Transmitter engineering's 136,303 posts xx
Transmitter engineering
sentiment_very_satisfiedOwner

10:47 AM

SUDBURY transmitter - DAB: Off the air due to a fault from 2020-01-04 06:48:18 until 2020-01-04 08:11:26. . [BBC]

link to this comment
Transmitter engineering's 136,303 posts xx
Transmitter engineering
sentiment_very_satisfiedOwner

4:47 PM

SUDBURY transmitter - DAB: Off the air due to a fault from 4 Jan 06:48 until 4 Jan 08:11. . [BBC]

link to this comment
Transmitter engineering's 136,303 posts xx
Monday, 24 February 2020
A
Aytch
1:10 PM

Dunno what's going on with the Sudbury transmitter - at first I thought it was either the weather or the new vast building on Sproughton road hampering my signal (which is in a direct line to Sudbury from my house) but in the past week or two I have had no watchable freeview signal each day other than the BBC channels until 10.15p.m each night!

link to this comment
Aytch's 12 posts GB
A
Aytch
1:26 PM
Ipswich

I should add my post code is IP1 4HL and, all aerial connections checked, if I reset my freeview channels early in the evening I only get around 22 tv channels - the only watchable are the BBC's at that time. If I reset late at night around 1a.m I get well over a hundred when all the missing ITV, Channel 4 / 5 and other freeview miraculously work. There was no problem last year up until around this new year, even though I have had a loft aerial set up with amplifier for many years.

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Aytch's 12 posts GB
C
Chris.SE
sentiment_very_satisfiedPlatinum

7:07 PM

Aytch:

Hi there. Yes large buildings in the line of sight aren't helpful! However, let's hope the main issue is only the Planned Engineering work at Sudbury with "Possible weak signal" which is still continuing this week.
Amazingly even the Freeview checker is mentioning it if your put your postcode into the box on Freeview | All your favourite TV shows, all in one place and all for free and you can also go to the Planned Engineering works page.
It is unusual for work to carry on through an evening, but surprisingly that you've got a sufficiently weak signal as you are normally predicted to get excellent coverage from Sudbury.

The issues over New year were due to an unusually strong bout of Tropospheric Ducting (see Effect of tropospheric ducting on Freeview | Help receiving TV and radio ) which sometimes comes with high pressure. It isn't normally as strong even in summer!

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Chris.SE's 2,361 posts GB
Tuesday, 25 February 2020
A
aytch
4:24 PM

Many thanks for your reply. I have looked up the links which will prove useful in the future.
I think my problems may be connected to work on the transmitter as well as the new Sproughton road warehouse which is far wider in profile than the old silos to my location. Yesterday non-BBC channels were slightly improved much earlier in the evening - well before the approx 10.15p.m change of previous evenings which seemed to be like someone switching on a booster somewhere!
Anyway - thanks!

link to this comment
aytch's 12 posts GB
C
Chris.SE
sentiment_very_satisfiedPlatinum

6:43 PM

aytch:

Are you still having to point your loft aerial through a party wall? Is there no position you can put it in that would eliminate that or go over the edge of it?

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Chris.SE's 2,361 posts GB
Wednesday, 26 February 2020
A
aytch
1:57 PM

Long term if we have major problems I may have to have an aerial mounted outside, probably on the chimney stack. I currently also have a 360 degree radio aerial connected to the one down line which has meant certain tv channels are now weak or non existent. Fortunately I'm not over enamoured with freeview tv and its endless repeats coupled with ads for nothing I'm interested in, so I get by!!

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aytch's 12 posts GB
Thursday, 27 February 2020
C
Chris.SE
sentiment_very_satisfiedPlatinum

1:13 AM

aytch:

I hope you've got the FM aerial connected through a VHF/UHF diplexer. It will have some insertion loss of course. Have you checked all the connections recently, make sure they are clean and free of corrosion?

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Chris.SE's 2,361 posts GB
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