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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Wednesday, 22 January 2014
Keith Banks: It may be 4G services operating in the 800MHz band (C61 to C69). The coverage checkers of 3, O2 and Vodafone indicate that their 4G networks don't serve your area yet, which isn't surprising due to its relatively sparse population.
The only thing I can think is that EE is operating 4G using it 800MHz allocation. Prior to the auction EE was allowed to use some of its 1,800MHz allocation for 4G services. 1,800MHz is what its GSM (2G) uses.
The lower part of C67 is given to EE for "uplink" - that is for handsets to communicate with base stations - which might explain why the interference varies, i.e. because the transmitters (handsets) are moving and aren't always broadcasting.
Beside your posting click the link to "K's Freeview list". It's really a try it and see. C36 is clear for all so might be best to try first.
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K
Keith Banks4:57 PM
Dave,
Many thanks for your thoughtful response. I will try C36 tomorrow.
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Wednesday, 29 January 2014
J
Jason4:47 AM
My current 15inch flat screen tv in the kitchen went wrong on Friday 24th January so rather than buying another I decided to dust off an old but perfectly working 14inch 4:3 Phillips set, I nipped to Tesco and brought a set top box and connected everything up. After tuning everything in and adjusting the settings I then set the picture mode to 4:3 pan and scan, I had already noticed on a family members old 4:3 portable with set top box that channel 4 and its sister channels had black lines top and bottom during the broadcasts and the pan and scan feature did not work on these channels (all others channels were ok) never did find out what the problem was tho.
My set top box and 4:3 portable did exactly the same with channel 4 and its sister channels too regarding the black lines, however turning on the kitchen tv on Tuesday morning 28th I noticed that BBC One also had black bars top and bottom (no other BBC channels were affected) but when it got to lunchtime and the local Look East news came on the pan and scan setting worked fine and the black bars disappeared, then after the local news finished and the usual broadcast returned the black bars returned.
Were the BBC carrying out any tests on BBC One or has something changed in the signal, the black bars are the same size as those on channel 4 and its sister channels so could it be the same sort of thing, any thoughts or help would be much appreciated.
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Thursday, 30 January 2014
J
Judy8:20 PM
Harwich
It appears the engineering work at Sudbury is finished. We've retuned our telly, twice, but it's no better than it was during the work. Is anyone else still having problems?
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Judy's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
Monday, 3 February 2014
J
Jason4:17 AM
Well whatever was going on with BBC One it appears to have only lasted a day, turned the telly on Thursday morning (30th) and picture has no black bars, gave it till the end of the weekend before posting just in case something was still not right.
Mind you channel 4 and its sister channels are still the same with the black bars on a 4:3 telly, guess I will never really know, its just one of those things that being the sort of person I am, makes me inquisitive.
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nick6:43 PM
JB, re your answer of 6 Jan, thanks. The aerial is pointed directly at udbury and if pointed elsewhere does not not work, therefore I cannot see defraction is relevant, and with analogue, although we got interference from the Dutch, we never lost the signal. I am at a high location with near 100% signal...............usually.
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Monday, 24 February 2014
E
Eddie Stacey7:07 PM
Just a buyer beware issue here. Our Panasonic Viera flatscreen full HD TV packed it in after 2 years 8 months with about 4000 hours on the clock. The set would normally be expected to do about 60,000 hours minimum. We had no luck with 6 year statutory rights as the supplier wanted a full technical spec as to what went wrong and why. No TV repairer could be that specific, despite agreeing that the set was, effectively, a write off and offering to speak to the supplier direct to that effect. A trawl of the internet appears to indicate that this problem is quite widespread. We have always found Panasonic to be a good and reliable brand in the past but this event, together with a highly temperamental Panasonic DVB recorder (well documented problems here as well), has put us off for good
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J
jb389:21 PM
Eddie Stacey: Re: Panasonic problems, purely out of curiosity I would be obliged if you could furnish me with the model numbers of the devices in question?
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M
MikeB9:32 PM
Eddie Stacey: Panasonic actually has a pretty good reputation with the tech support people where I work. Like all the four big brands, you tend to get pretty good components, etc. However, you can get unlucky (one lady had 5 different TV's from 3 different manufacturers in eighteen months), and I quite understand if you've had a bad experience, you'd want a different brand. I'm surprised that the DVB is touchy (although the tuners are actually very sensitive), but again, these things happen.
What was the model and the actual problem? You said that the TV 'packed up' - was it the panel that went? If it did, then the TV is basically a writeoff. A lady came in a couple of weeks back, after her TV had developed a problem (which had been bought from Argos, not us). Our chap in tech support said that such a TV panel (if one could be sourced), would cost around £250. Considering the cost of a new TV, replacing the panel often makes no sense. Our TV's all come with a five year warrenty as standard, so if it wasn't worth repairing it, we'd just replace with the nearest model.
If you are about to buy another TV, its the end of the TV year (April is when the new models will start), so I'd get in quick, because stocks are really running down. LG, Samsung and Sony are all solid brands, I'd have no problem recommending them.
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Tuesday, 25 February 2014
E
Eddie stacey3:50 PM
In reply to jb38 and MikeB, The TV was a Panasonic Viera TXL32E3B and the DVB recorder with the HAL like attitude is a DMR EX773EB. The 'flashing red light of death' signal from the TV when it expired was a single flash every three seconds which apparently indicates a fault that the TV cannot define. The engineer's diagnosis was a power supply panel failure and, in effect, concurred with MikeB's comments. As I stated before, this wasn't enough for the supplier. Needless to say we have stopped dealing with these people. We bought a new (Samsung) TV locally together with a five year warranty with their own local engineers. I hope this is of some use and thanks for the input.
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