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Full Freeview on the Sudbury (Suffolk, England) transmitter

first published this on - UK Free TV
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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
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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
1 BBC One (SD) East, 2 BBC Two England, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 15 others

PSB2
D3+4
 H max
C41 (634.0MHz)229mDTG-3100,000W
Channel icons
3 ITV (SD) (Anglia (East micro region)), 4 Channel 4 (SD) South ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 30 E4 +1, 35 ITV +1 (Anglia east),

PSB3
BBCB
 H max
C47 (682.0MHz)229mDTG-6100,000W
Channel icons
56 5SELECT, 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, 106 BBC Four HD, 109 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

COM4
SDN
 H max
C29 (538.0MHz)186mDTG-3100,000W
Channel icons
12 Quest, 20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 41 Legend, 42 GREAT! movies action, 46 Channel 5 +1, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 74 Dave ja vu, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 203 CITV, 208 POP MAX, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 15 others

COM5
ArqA
 H max
C31- (553.8MHz)228mDTG-8100,000W
Channel icons
11 Sky Arts, 17 Really, 19 Dave, 31 E4 Extra, 36 pick, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 57 Smithsonian Channel, 60 Drama +1, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 8 others

COM6
ArqB
 H max
C37 (602.0MHz)228mDTG-8100,000W
Channel icons
 FreeSports, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 71 Quest Red +1, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 88 Classic Hits, 235 Aljazeera English, plus 19 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 0 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: .

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 (24°)
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 (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 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?

1984-971997-981998-20112011-131 Aug 2018
B E TB E TB E TE TK T
C29SDN
C31ArqA
C35C5wavesC5waves
C37ArqB
C41ITVwavesITVwavesITVwavesD3+4D3+4
C44BBC2wavesBBC2wavesBBC2wavesBBCABBCA
C47C4wavesC4wavesC4wavesBBCBBBCB
C51tv_offBBC1wavesBBC1wavesBBC1waves
C56tv_offArqB
C58tv_offSDN
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

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
Monday, 23 May 2011
Briantist
sentiment_very_satisfiedOwner

10:08 PM

Nick: A group B is unsuitable for digital reception before or after switchover from Sudbury, no matter what the "gain". See "Transmission frequencies" above.

link to this comment
Briantist's 38,844 posts GB
Tuesday, 24 May 2011
N
Nick
sentiment_satisfiedGold

9:25 AM
Woodbridge

Dear Brian,
Group b covers ch 35-53, ie all the analogue channels used by Sudbury. I do not understand how a wideband areial would improve things as it must surely be a compromise to try to include channels as far apart as 21 and 69. I have seen graphs of the performance of wideband aerials which show a tailing off of gain at either end. Surely that is exactly what my group b aerial does too?.
I am still playing with the digibox which I have set to install. When the wind is in the right direction, I get channels from ALL the mux shown for Sudbury, but not all the channels within every mux. This really puzzles me. Notable absentees are ITV 1, c4 and C5. Whoever decided we should have QVC and Babestation instead!

link to this comment
Nick's 373 posts GB
Briantist
sentiment_very_satisfiedOwner

11:42 AM

Nick: Well, apart from the rather obvious point that C54 and C68 are not covered by a group B aerial, thus the need for a wideband aerial.

link to this comment
Briantist's 38,844 posts GB
Tim Chase
sentiment_satisfiedBronze

12:22 PM
Walton On The Naze

Hi Brian. Just reading about aerials, and it got me wondering about mine. A few years ago I fitted an Antiference XG10EW aerial, but no indication on the box as to what group it belonged to (I know it's a Class2), only that it's for UHF channels 21-68, so I guess it's a Wideband, and should be adequate for the Sudbury switchover in July? It's worked very well so far here in CO14 8AW, where we're a bit on the edge of the best reception!

link to this comment
Tim Chase's 34 posts GB
N
Nick
sentiment_satisfiedGold

12:24 PM
Woodbridge

Thanks Brian,
looks like I gave you duff info, receiving nothing on ch 68, despite its higher power.
Will have to wait till upgrade to see if we get it before changing aerial. I assume that it will still be 68 for these channels after upgrade? I don't know why they had to put them out of group in the first place, esp as they are far more important than QVC etc.
Kind regards.

link to this comment
Nick's 373 posts GB
Briantist
sentiment_very_satisfiedOwner

1:15 PM

Nick: As above, the final channels are C41, C44, C47, C49, C56, C58, C60- which means C56, C58 and C60- are "out of group" so you must have a wideband aerial if you want all multiplexes from this transmitter after switchover.

link to this comment
Briantist's 38,844 posts GB
Briantist
sentiment_very_satisfiedOwner

1:20 PM

Tim Chase: You are not really in a good reception (or "marginal") area, but if the aerial is working for you now it will continue to do so.

You might want to consider Freesat if you want reception 100% of the time - Freeview and Freesat are a good combination.

link to this comment
Briantist's 38,844 posts GB
K
KMJ,Derby
sentiment_satisfiedGold

8:35 PM

Nick: The aerial group with best performance for C68 is group E. Although C68 is not used after switchover stage2, a group E receiving aerial would be suitable for the post swichover frequencies. The Digital UK postcode checker shows your freeview reception to be variable at best (with all muxes at full power from 27th June 2012) and currently does not offer a prediction at your location.

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KMJ,Derby's 1,811 posts GB
Wednesday, 25 May 2011
N
Nick
sentiment_satisfiedGold

12:03 AM
Woodbridge

Many thanks to both of you.

link to this comment
Nick's 373 posts GB
N
Nick
sentiment_satisfiedGold

10:09 AM
Woodbridge

You have both been most helpful. It looks as if after upgrade, all the 'proper' channels will be within group. Here we get A1 signal on analogue, with good aerial and booster, the only problem being various forms of interference at times, which it seems will diminish with the continentals now digital and the rest of the uk xmitters following.
I have got a lot of info from a site called atv aerials, confirming my view that wideband aerials may bring in out of group channels but that within group will be worse, making it debateable to change what I have.
I am still hazy on the subject of signal quality. If the booster makes C5 on 50kw A1, no noise, does that not mean signal quality is good? My digibox does not show sig quality, only strength.

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Nick's 373 posts GB
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