Full Freeview on the Sudbury (Suffolk, England) transmitter
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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 18/11/2024 Pixelation or flickering on some or all channels 
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Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
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 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.
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?
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
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 West | Transposer | 1000 homes +1000 or more homes due to expansion of affected area? | |
| Witham | Transposer | 14 km NE Chelmsford. | 118 homes |
How will the Sudbury (Suffolk, England) transmission frequencies change over time?
| 1984-97 | 1997-98 | 1998-2011 | 2011-13 | 1 Aug 2018 | |||||
| B E T | B E T | B E T | E T | K T | |||||
| C29 | SDN | ||||||||
| C31 | ArqA | ||||||||
| C35 | C5waves | C5waves | |||||||
| C37 | ArqB | ||||||||
| C41 | ITVwaves | ITVwaves | ITVwaves | D3+4 | D3+4 | ||||
| C44 | BBC2waves | BBC2waves | BBC2waves | BBCA | BBCA | ||||
| C47 | C4waves | C4waves | C4waves | BBCB | BBCB | ||||
| C51tv_off | BBC1waves | BBC1waves | BBC1waves | ||||||
| C56tv_off | ArqB | ||||||||
| C58tv_off | SDN | ||||||||
| 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
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Wednesday, 25 January 2012
J
jb387:21 PM
k: If the reception of every channel has failed its much more inclined to suggest that your aerial system has developed a fault, and so I would check the co-ax cabling as far as you can manage to.
There could of course be a fault with the TV's tuner, but that's not so likely a reason for your problem, cant you borrow a Freeview box for an aerial test?
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Thursday, 26 January 2012
P
Phil2:38 PM
Halstead
I live 9 miles from the Sudbury transmitter, not close enough to suffer invrsion from any other transmitter. I have had Freeview via integrated tv for four years. The switchover all went fine, until the final stage, after which I lost a group of channels that include Film4 etc. - I see they are all in one multiplex, and others have had problems with this. Up until the switchover all was fine, so how did it cause me to lose channels? I don't want to have to pay for a new aerial when its not my fault I lost them.
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Phil's: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
K
Kevin Hodges3:43 PM
Phil, I'm certainly no expect in these matters but here's a couple of ideas that may assist as I live in Chelmsford and pick up all mux's without problem from the Sudbury transmitter.
What seems abit strange is that ARQB is showing on my receivers as the strongest signal but with a slightly reduced quality. If you're in the same situation are you now receiving to much signal? Secondly is your aerial a wideband? As ARQB is currently at the top end of the channels the wrong band aerial might cause your problems.
As I say just thoughts, but I'm sure others will have more informed ideas.
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Saturday, 28 January 2012
Phil: I would check out the suggestions on the Single frequency interference | ukfree.tv - independent free digital TV advice page, as the services on Sudbury should all be working perfectly for you at your location.
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Monday, 30 January 2012
P
Phil11:49 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: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
Tuesday, 31 January 2012
P
Peter12:03 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: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
M
Mike Dimmick12:36 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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Peter: It's shown above in the "Comparison of analogue and digital signal levels" section...
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Saturday, 4 February 2012
V
Val S8:57 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.
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Val's: mapV's Freeview map terrainV's terrain plot wavesV's frequency data V's Freeview Detailed Coverage
J
jb3810:35 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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