Freeview: Sudbury (Suffolk, England) Full Freeview transmitter
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> Freeview >Transmitters >TV transmitter details

Full Freeview on the Sudbury (Suffolk, England) transmitter

Google StreetviewGoogle mapBing mapGoogle Earth52.005,0.786 or 52°0'17"N 0°47'8"ECO10 5NG


4G at 800MHz (at800) Freeview reception issues

Tests now show that SOME households that use masthead amplifiers (and some communal aerial systems) AND are in poor signal areas AND that are very close to a 4G phone mast MAY have their Freeview service disturbed: C60: ArqA
See Expecting 4G interference? Tests now show that you have a one in 300 chance.

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. Click to recheck [+] 

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The symbol shows the location of the Sudbury (Suffolk, England) transmitter which serves 440,000 homes.

Other mapsSudbury TV regionBBC EastAnglia (East micro region)DAB in Suffolk
AM/FM in Suffolk

Is the transmitter output the same in all directions?

Radiation patterns withheld

What do the colours on the map mean?

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.


List by multiplex|List by channel number|List by channel name|See terrain plot

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.

MuxAerial positionFrequencyHeightModeWatts
PSB1
BBCA
 horizontal max
C44 (658.0MHz)229m64QAM 8K 2/3
24.1Mb/s DVB-T MPEG2
100,000W
Channel icons
1 BBC One East, 2 BBC Two England, 7 BBC Three, 9 BBC Four, 70 CBBC Channel, 71 CBeebies, 80 BBC News, 81 BBC Parliament, 301 BBC Red Button 1, plus 12 others

PSB2
D3+4
 horizontal max
C41 (634.0MHz)229m64QAM 8K 2/3
24.1Mb/s DVB-T MPEG2
100,000W
Channel icons
3 ITV (Anglia (East micro region)), 4 Channel 4 South ads, 5 Channel 5 Part Network ads, 6 ITV 2, 13 Channel 4+1 South ads, 14 More 4, 15 Film 4, 28 E4, 33 ITV +1 (Anglia east),

PSB3
BBCB
 horizontal max
C47 (682.0MHz)229m256QAM 32KE 2/3
40.2Mb/s DVB-T2 MPEG4
100,000W
Channel icons
73 CBBC HD, 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 BBC Three HD, plus 1 others

COM4
SDN
 horizontal max
C58 (770.0MHz)186m64QAM 8K 2/3
24.1Mb/s DVB-T MPEG2
100,000W
Channel icons
10 ITV 3, 20 Drama, 25 Dave ja vu, 27 ITV 2 +1, 30 5*, 31 5USA, 38 Quest, 39 The Zone, 44 Channel 5 +1, 54 ITV 4 +1, 55 Channel 5 +24, 61 True Entertainment, 66 CBS Reality, 72 CITV, plus 19 others

COM5
ArqA
 horizontal max
C60- (785.8MHz)228m64QAM 8K 3/4
27.1Mb/s DVB-T MPEG2
100,000W
Channel icons
11 pick, 12 Dave, 17 Really, 29 E4+1, 32 Movie Mix, 41 Food Network, 42 Travel Channel, 46 Challenge, 48 Movies4Men, 57 Quest +1, 63 Community Channel, 82 Sky News, 302 BBC Red Button 2, plus 11 others

COM6
ArqB
 horizontal max
C56 (754.0MHz)228m64QAM 8K 3/4
27.1Mb/s DVB-T MPEG2
100,000W
Channel icons
18 4Music, 19 Yesterday, 21 VIVA, 24 ITV 4, 45 Film 4 +1, 47 4seven, 58 BT Sport 1 (not free), 59 BT Sport 2 (not free), 83 Al Jazeera English, 85 RT English , plus 20 others



Are you trying to watch these 6 Freeview HD 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: Al Jazeera Arabic, Al Jazeera HD, BBC Four HD, BBC News HD, CBeebies HD, Community Channel 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?


BBC Look East (East) 0.8m homes 3.2%
from Norwich NR2 1BH, 77km north-northeast
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
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?

years1984-971997-981998-20112011-132013-182013-18
aerial groupB EB EEEEE
600C35C5C5
C39B
C41ITVITVITVD3+4D3+4D3+4
C44BBC2BBC2BBC2BBCABBCABBCA
C47C4C4C4BBCBBBCBBBCB
C48+A
700C49+1
C50+D
C51BBC1BBC1BBC1
C54C
C56ArqBArqBArqB
C58SDNSDNSDN
C60-ArqA-ArqA-ArqA
800C682

orange background for multiplexes names moregreen background for transmission frequencieslilac background for power levels in watts800MHz band: 4G mobile to start in 2013700MHz band: possible 4G in 2019 more600MHz band: new or moved digital TV services more
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W
Italics for analogue, digital switchover was Wednesdays 6th July and 20th July 2011.

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.



Your comments: most recent posts are at the bottom

firstFirst comments prevEarlier comments  ◊  Later commentsnext Latest commentslast

Your comments are always welcome. Please use the form below to add your thoughts or questions to this page. We will get back to you as soon as we can.

N
Nick
Thursday 19 April 2012 11:52PM

How do I align my aerial in Aldeburgh to get the Sudbury transmitter? I believe whichever way I turn it, a meter will log on to Aldeburgh instead.


N
Nick
Thursday 19 April 2012 11:57PM

Why does a non hd freeview box not show the channels used for hd, albeit not in HD?


N
Nick
Friday 20 April 2012 12:00AM

In Aldeburgh I would like to align my aerial to Sudbury to get more channels, but understand the meter would simply log me on to Aldeburgh because of its strength. How do I align to Sudbury please? It was easy with analogue, just turned for the best picture.


N
Norm De Plume
Friday 20 April 2012 6:13AM Stowmarket

@Nick - signal meters don't 'log on' and turning the aerial to point to Sudbury should be sufficient.

You will need to to rotate your aerial so that the wire elements are horizontal because Aldeburgh is a repeater a Sudbury is a master transmitter.


M
Mike Dimmick
Friday 20 April 2012 11:36AM

Nick: "Why does a non hd freeview box not show the channels used for hd, albeit not in HD?"

Because the HD signals are transmitted with a new modulation standard, DVB-T2. A regular DVB-T box simply cannot understand the data stream that's transmitted, it just sees it as very loud noise.

"How do I align to Sudbury please?"

Cheap meters simply show a raw signal strength across the entire UHF band. These are basically useless. You'd be better off selecting the manual tuning screen on a Freeview box, telling it to tune in a known frequency (e.g. C44) and watching the strength meter on the tuning screen. That assumes the box shows the strength/quality on a specific channel before actually tuning it.

Proper meters allow you to select the channel to monitor. Professional equipment does a full decode and recode of the signal, comparing the actual received signal and the ideal to get a quantity known as the Modulation Error Ratio. The aerial should be positioned to get the best MER. However, equipment that does this is quite expensive: the Promax TV Hunter, which is fairly basic, is over £400.

Unfortunately most Freeview boxes have a pointless quality meter, showing the number of uncorrectable errors. You need to know how many errors are being corrected and optimize for the fewest errors, as this will give the most chance of reliable reception in adverse weather conditions.


M
Mike Dimmick
Friday 20 April 2012 11:41AM

Nick: Unless you changed the aerial for a wideband at some point in the past, you should do so now. An aerial erected for Aldeburgh would be a Group A aerial, designed for C21-C37, whereas Sudbury requires a Group E or wideband designed for at least C35-C68. A wideband is recommended to ensure that you can still pick up the COMs in the future: it's looking like they will have to move again to release even more spectrum for mobile phones.


N
Nick
Friday 20 April 2012 5:57PM

Thank you Mike for very full answers. I think I will have to do it the hard way, with someone on the ground, and hope for the best.
The aerial is home-made. One of my hobbies, and tested on analogue when I could see the difference as I added directors. I don't like wideband as they tail off so much at either end, and with Sudbury in the mid band, I prefer an aerial for that group, and hope for the best with channels outside it. In essence it is an old J Beam, with the square slot dipole and reflector, but modified now with 2 extra sets of directors, tribeam


R
russ grooms
Friday 20 April 2012 8:54PM

We have just switched over in North Kent and I cannot pick any signal up. I've tried a different box, switched the booster in and out and I'm using a brand new wide bad aerial which I've been waving around like a ship in a storm and still nothing. I've called the set-top box makers, Digital TV helpline and tuned manually to 5 differnet frequencies and still nothing. Basically, it f**ked. All I'm being told is to spend more money, either on new equipment or getting an 'expert' round to help me. Can anyone help???


J
jb38
Friday 20 April 2012 9:01PM

russ grooms: Its not really possible for anyone to be able to assist without knowledge of your location (pref: post code or one nearby) as the signal levels expected at your location from the various transmitters involved cannot be assessed.


N
Nick
Friday 20 April 2012 10:47PM

Thanks Norm, but I think I will get the Aldeburgh transmitter whichever way I point the aerial because it is so strong, and apparently the meter cannot be set to look for a particular set of channels.





Please post a question, answer or commentIf you have Freeview reception problems before posting a question your must first do this Freeview reset procedure then see: Freeview reception has changed, Single frequency interference, and Freeview intermittent interference.

If you have no satellite signal, see Sky Digibox says 'No Signal' or 'Technical fault'

If you have other problems, your location is noted as CO156BU, please indicate where if aerial is on the roof, in the loft or elsewhere.

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