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.
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._______
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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Tuesday, 5 July 2011
Tim
1:09 PM
1:09 PM
My question re 8k mode seems to have been answered by Brian in his post this morning - Sudbury transmitter group switchover begins | ukfree.tv - independent free digital TV advice My Goodmans box is not on the list, so I guess it will still work. I'll find out tomorrow! (CO148AW)
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M
Mike Dimmick11:28 PM
Sudbury will be OFF-AIR from shortly after midnight until 6am (officially). Services may come and go during this time. It's recommended that you retune after 6am when all work should be complete. See Digital UK - Relay transmitter switching times for progress reports.
While maximum digital power is lower than maximum analogue power, the reduction is much less than at other sites, and the increase from pre-switchover power levels is substantial. If you had reliable digital reception before switchover started, and you have problems afterward, you could have too much signal. Remove any boosters or amplifiers, and if that doesn't help, add an attenuator.
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Wednesday, 6 July 2011
J
joe abbott9:22 AM
to day wednesday 6th july i have just retuned my digital box.I now find i can not receive any bbc programmes as the message reads no information available why is this i have a bt digital box joe
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S
SID BADDELEY9:33 AM
Herne Bay
Excellent signal from bbca ch44
sig 8 q10
located at herne bay Kent
6/7/2011
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SID's: ...
G
George9:58 AM
Ipswich
Seem to have lost the ITV MUX on ch56 today.
Also nothing on 48, guess that has now moved to 44. Does anyone know what is happening with the ITV MUX today?
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George's: mapG's Freeview map terrainG's terrain plot wavesG's frequency data G's Freeview Detailed Coverage
Same here in a fringe area of Rayleigh, Essex .
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Lisa's: mapL's Freeview map terrainL's terrain plot wavesL's frequency data L's Freeview Detailed Coverage
Dale
10:40 AM
Ipswich
10:40 AM
Ipswich
As at 7:15, had 2 versions of BBC Four (and a few others) via Ch39 and Ch44. One allocated Channel 9 and the other Channel 800. Am currently at work, so will check again when I return home late afternoon.
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Dale's: mapD's Freeview map terrainD's terrain plot wavesD's frequency data D's Freeview Detailed Coverage
M
Mike Dimmick10:41 AM
George: Only the BBC A multiplex (replacing Mux 1) and Multiplex A have moved so far. Mux 2 is still on C68 and should still be on C56. However, C56 only transmits at 1.1 kW, nearly 20 dB quieter than the new high-power BBC multiplex, and some boxes might have trouble with that much difference in signal levels.
Some boxes just tune in the first version of the channels that they see, rather than the best quality, so check whether there's another version of ITV1 up in the 800s, or somewhere else in the guide, which would be the version at C68. I'm afraid I don't know which area C56 was intended to cover.
Multiplex A, which was on C48, has moved to C49 already. This is so Woodbridge (permanently), Burnham on Crouch and Clacton (temporarily) can use C48 for BBC A.
At your postcode, Digital UK predict no reliable coverage on Mux 2 at present. I'm not sure if this is a change as they only show today onwards.
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M
Mike Dimmick10:48 AM
Dale: Yes, in this interim period between the first and second stages of switchover, BBC Four and the BBC radio stations are transmitted from both high-power BBC A and low-power Mux B. In two weeks Mux B closes down and is (logically) replaced by the HD multiplex. (The HD multiplex takes over Channel 4's frequency, and Mux B's frequency is released.)
Which version was stored at 9 depends on how your box handles multiple versions; it might be the Mux B version if it just stores the first found, or the BBC A version if it stores the best quality.
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Mike Dimmick11:09 AM
joe abbott: It's not clear from the manual at TV Re-tune how to do a complete reset of the box, which is often necessary at switchover. On newer equipment, 'Add Channels' does forget the old locations.
My guess would be that you now have too much signal. If you have a booster or other amplifier, try removing it. Or you may need to add an attenuator.
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