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Full Freeview on the Sudbury (Suffolk, England) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps52.005,0.786 or 52°0'17"N 0°47'8"Esa_postcodeCO10 5NG

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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.

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.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name

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.

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 H max
C44 (658.0MHz)229mDTG-3100,000W
Channel icons
 BBC Three, 1 BBC One East, 2 BBC Two England, 9 BBC Four, 120 CBBC, 121 CBeebies, 130 BBC News, 131 BBC Parliament, 601 BBC Red Button 1, plus 14 others

PSB2
D3+4
 H max
C41 (634.0MHz)229mDTG-3100,000W
Channel icons
3 ITV (Anglia (East micro region)), 4 Channel 4 South ads, 5 Channel 5, 6 ITV 2, 13 Channel 4 +1 South ads, 14 More4, 15 Film4, 24 ITV4, 28 E4, 33 ITV +1 (Anglia east),

PSB3
BBCB
 H max
C47 (682.0MHz)229mDTG-6100,000W
Channel icons
 BBC Three HD, 45 Film4 +1, 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 Channel 5 HD, 123 CBBC HD, 602 BBC Red Button 2, 603 BBC Red Button 3, plus 1 others

COM4
SDN
 H max
C58 (770.0MHz)186mDTG-3100,000W
Channel icons
10 ITV3, 20 Drama, 21 5USA, 26 ITV Be, 27 ITV 2 +1, 30 5STAR, 34 ITV3 +1, 37 Quest, 44 Channel 5 +1, 55 Channel 5 +24, 58 ITV Be +1, 61 True Entertainment, 62 ITV4 +1, 66 CBS Reality, 70 Horror Channel, 122 CITV, 242 Vintage TV, plus 23 others

COM5
ArqA
 H max
C60- (785.8MHz)228mDTG-8100,000W
Channel icons
11 pick, 12 Dave, 17 Really, 29 E4 +1, 32 Movie Mix, 41 Food Network, 46 Challenge, 48 Movies4Men, 68 truTV, 69 Tru TV +1, 72 YourTV, 126 Tiny Pop, 132 Sky News, plus 18 others

COM6
ArqB
 H max
C56 (754.0MHz)228mDTG-8100,000W
Channel icons
 Al Jazeera English,  BT Sport 1 (not free), 18 4Music, 19 Yesterday, 25 Home, 31 Spike, 38 Quest +1, 42 Travel Channel, 47 4seven, 59 BT Showcase (not free), 64 CBS Action, 73 YourTV +1, 84 Dave ja vu, plus 21 others



DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
DTG-8 64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)

Are you trying to watch these 14 Freeview HD channels?

the effected channels
the effected 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: 4seven HD, 5USA +1, Al Jazeera Arabic, Al Jazeera Eng HD, BBC Four HD, BBC News HD, CBeebies HD, CBS Drama, CBS Reality +1, Channel 4+1 HD, Community Channel, RT HD, Talking Pictures TV, VIVA.

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?

regional news image
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
regional news image
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 more
green background for transmission frequencies
lilac background for power levels in watts
800MHz band: 4G mobile started in 2013
700MHz band: possible 4G in 2019 more
600MHz 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.

Comments
Sunday, 8 May 2016
T
The Snail
4:21 PM Chelmsford

I have lost transmission from

C56
C60
C58

C60 and C58 in the last fortnight and C56 as of today 8/5/2016

We had been receiving the programmes on these IMUXs for several years.

Auto tuning on my TV finds only all channels other than the above.i.e.C41 C44 and C47.

It is not the television since both Freeview Boxes in the house suffer from this problem.

I was sent a C60 filter by At800 but this seemed to help as on Saturday when I fitted the filter the C60 IMUX was visible for manual tuning. This IMUX (C60) has now disappeared even with the filter fitted.

What is going on:

1. It does not seem to be a TV problem - both Freeview boxes both 'see' the same IMUXes

2. Does not seem to an aerial problem as we have been getting these IMUXes until recently.

3. Since C60 filter now makes no difference -it is not likely to be 4G interference.

So has anything happened/changed at Sudbury to result in what I describe?

My postcode is CM2 8EB .



link to this
The Snail's 4 posts GB
The's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage
M
MikeB
6:44 PM

The Snail: Whats your signal strength on all the muxes? If some muxes are vanishing, but others just holding on, that points to a possible wiring problem, with some muxes going, but others (even though they might be of the same power) surviving.

Since they are on both TV's (same brand, hence similar tuners?), that points to a common problem, so its likely to be a cable problem from the aerial to where the signal splits. Do you have a booster? And could it be failing?

I suspect that a cable might literally be hanging by a thread....

link to this
MikeB's 1,782 posts Gold Gold GB
Monday, 9 May 2016
N
nick
5:22 PM

I am not pleased that Sudbury describes itself as main transmitter yet we no longer get Al Jazeera. This is a misleading description.
I went to a lot of trouble to pick up this transmitter as opposed to our local 'light' one and now it fails to do what it claims.
Why does it not carry the extra muxes?
Why could not Al J start using channel 133 again so we can see it?

link to this
nick's 299 posts Silver Silver GB
Tuesday, 10 May 2016
C
Chris
10:43 AM Chelmsford

In response to the snail, I live in Chelmsford CM1 7DW and have checked this morning and can receive all Sudbury channels except 47 (I don't have Freeview HD). Some in Chelmsford receive Crystal Palace, some Sudbury and some both transmitters; it is very much a street by street situation and I don't know what snail should be watching as we are on the other side of Chelmsford 44m a.m.s.l. and with a good sight line to Sudbury

link to this
Chris's 7 posts GB
Chris's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage
Wednesday, 11 May 2016
MikeP
2:15 PM Trowbridge

Nick:

The presence or absence of Al Jazeera does not define a Full Service transmitter. All transmitters carry all the PSB muxes and the Full Service ones carry many of the COM muxes. 'Lite' transmitters do not carry the COM services. Whether a particular transmitter carries any of the optional channels, like Al Jezeera, is entirely up to that particular broadcaster. If they don't want to be carried on any of the muxes allocated to Sudbury then they don't have to pay for it.



link to this
MikeP's 864 posts Gold Gold GB
MikeP's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage
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