Full Freeview on the Sudbury (Suffolk, England) transmitter
 | Google Streetview |  | Google map |  | Bing map |  | Google Earth |  | 52.005,0.786 or 52°0'17"N 0°47'8"E |  | CO10 5NG |
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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Thursday, 12 July 2012
N
Nick6:08 PM
Aldeburgh
the two Nicks are floundering, and if the other one has problems slap bang up against the transmitter, what hope is there for this one?
Better try to get Dover to put on Susie Flowerpot and Stuart White I suppose.
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Nick's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
Friday, 13 July 2012
N
Nick A3:12 PM
Bures
So, for no reason, all channels are now fine, excepting ITV 4 which is really struggling. This is a bore as it is carrying the Tour de France. I have eliminated equipment and signal strength as a culprit. But this is proving to be very frustrating.
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Nick's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
Saturday, 14 July 2012
J
Jason8:31 PM
Just a quick question, I have noticed that COM 7,8,9 have been asigned channels 31,36,37. Could they not have used these channels for COM 4,5,6 and used channels 56,58,60 for COM 7,8,9 in 2015, would that not have helped reception as channels 36 and 37 are in the range of old group B ariels. There is probably a logical explanition that im failing to see lol.
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Sunday, 15 July 2012
N
Nick2:01 PM
Hey,
I'm recently having a few problems. My service has been perfect until recently when I have started having problems with my hd channels. All sd channels are on 100% quality but the hd bounces up and down from nearly nothing to 75%. Does anyone have any ideas why this would be?
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Nick: In response to your question of 5th July, I referred to the COMs only with respect to Dover because I assumed that you may have wished to pick up the PSBs from one of the Anglia transmitters. If not, then perhaps you may find that Dover's PSBs are also intermittent, probably caused by the mist.
Some devices can't receive channels with negative offsets that are in 8k mode (which is the mode used after switchover). C60 is the only one with a negative offset that Sudbury uses.
Do you have reception on C60 now? Referring to your posting of 11th July @ 7:47PM, could it be that your home-made aerial needs turning a little?
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Nick A: Not sure what else to suggest, short of calling in an installer.
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Jason: The answer probably has more to do with the way in which things work these days. Channels 21 to 37 were ringfenced at switchover to be "sold" to three licencees for them to create their own network.
If there were plans for them to use particular channels at particular transmitters than this would be in effect telling them what transmitters they had to use.
The ringfencing of 31 to 37 is complete nonsense that has resulted in some areas have clashing channels as well as others with out of group channels when they otherwise wouldn't have been.
I agree that from a practical engineering point of view that channels within group should have been allocated where possible, but that isn't the way things are done these days.
A "free market" approach must be taken which means sacrifices. In a free market, providers have choices as to where they serve and consumers have the choice whether to consume. If it means that the latter have to fork out for a new aerial, then so be it.
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Monday, 16 July 2012
K
KMJ,Derby6:10 PM
Jason: It is possible that the current COM muxes might use the plan for COM 7,8,9, at least in part, if the plan to extend the 4G frequencies down to C49 goes ahead. There are a number of suggestions put forward by Arquiva to facilitate clearance of additional frequencies. This varies from only having the PSB muxes on Freeview (a course already taken by Belgium); allocating the COMs to C31 to C37 with additional use of C48 and C28, or using C22, C25, C28 at all/most the full Freeview transmitters as a SFN, which would allow C31-C37 to be auctioned off for additional Freeview services. The problem with the last plan, apart from needing agreement with other countries who could be affected at times of inversion, is the necessity to re-engineer the PSB muxes at a number of sites. The plans also need DVB-T2 transmission to be adopted in order to put the SFNs in place. At the present time suitable receivers are in the minority but it is suggested that using DVB-T2 might be necessary "sooner, rather than later"
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Tuesday, 17 July 2012
N
Nick7:45 PM
Woodbridge
Dave, thanks for your assistance. What exactly is negative offset?
With certain aerials I can now get c60, but the signal is weak, no comparison with c58.
Dover, however, continues at 100%.
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Nick's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
N
Nick8:03 PM
Woodbridge
I notice Sudbury, traditionally group B, now has more muxes in group C than B, and Tacolneston, traditionally group C, now has channels in group B. They do like to make things difficult.
| link to this comment |
Nick's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
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