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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-100,000W
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, plus 16 others

PSB2
D3+4
 H max
C41 (634.0MHz)229mDTG-100,000W
Channel icons
3 ITV 1 (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, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (Anglia east), 71 That’s 60s,

PSB3
BBCB
 H max
C47 (682.0MHz)229mDTG-100,000W
Channel icons
46 5SELECT, 101 BBC One HD East, 102 BBC Two HD England, 103 ITV 1 HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 107 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

COM4
SDN
 H max
C29 (538.0MHz)186mDTG-100,000W
Channel icons
20 U&Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 U&Dave ja vu, 58 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 81 Blaze +1, 83 Together TV, 91 WildEarth, 93 ITVBe +1, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 251 Al Jazeera English, 255 FRANCE 24 (in English), 265 Rok Sky +1, plus 29 others

COM5
ArqA
 H max
C31- (553.8MHz)228mDTG-8100,000W
Channel icons
11 Sky Mix, 17 Really, 19 U&Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 U&Drama +1, 65 That's TV 2, 70 Quest +1, 74 &UYesterday +1, 76 That's TV 2 MCR, 233 Sky News, plus 13 others

COM6
ArqB
 H max
C37 (602.0MHz)228mDTG-8100,000W
Channel icons
12 Quest, 25 U&W, 27 U&Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 63 GREAT! romance mix, 73 HobbyMaker, 75 That's 90s, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 others

DTG-8 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?

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
Wednesday, 11 July 2012
P
PETER HUGHES
8:21 AM
Clacton-on-sea

Like Nick in Aldeburgh I also cannot get Channel 60 signal at all and this is in Clacton. All other channels stable and good quality.

Perhaps channel 60 is not, yet, transmitting at full intended power?

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PETER HUGHES's 13 posts GB flag
PETER's: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
N
Nick
10:19 AM
Bures

I am posting this at 1000 on July 11. I live at Alphamstone, about two miles west of the Sudbury transmitter. For the last three weeks or so I have noticed a major fluctuation in signal quality from the Sudbury transmitter. It is intermittent, mostly at this time in the morning about twice a week, dropping from 100% to 40% and back again. The signal strength does not change (80%). I have a very powerful aerial and am processing through a Humax PVR 9300 T. I did a retune about a week ago and all was fine.

This problem, which has only started recently, creates dropouts in picture/sound. I should point out that the weather is clear right now, just in case that is an issue.

Any help from this forum would be gratefully acknowledged.

Kind regards

Nick

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Nick's 10 posts GB flag
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D
David
11:03 AM
Clacton-on-sea

Sudbury coming in good on my aerial now its not even pointing at Sudbury its on CP yet channels 56 , 58 , and 60 are now all above 70% on my Odys TV7 Novel 7 this is in Clacton.

CP is around 75% and Bluebell Hill 60% + Dover is around 50% all on the same one.

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David's 5 posts GB flag
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N
Nick A
11:08 AM
Bures

Further to the above post, I see there is another Nick so I will change my posts to Nick A.

Just to say the time is now 1100 and the signal quality is back to a steady 100%. Any ideas ?

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Nick A's 10 posts GB flag
Nick's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
N
Nick A
11:10 AM
Bures

Hi David

Did you have any issues between 0900 and 1100 this morning ?

Nick A

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Nick A's 10 posts GB flag
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N
Nick A
11:14 AM
Bures

And the problem is back (1115) on More 4, BBC channels etc

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Nick A's 10 posts GB flag
Nick's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
Dave Lindsay
sentiment_very_satisfiedPlatinum

1:58 PM

Nick A: The signal strength jumping up and down as you describe sounds like it could be signal overload, particularly bearing in mind your close proximity to the transmitter.

See this page for an explanation and remedy:

Freeview signals: too much of a good thing is bad for you | ukfree.tv - 10 years of independent, free digital TV advice

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Dave Lindsay's 5,724 posts GB flag
N
Nick A
2:43 PM
Bures

Hi Dave

Thanks for that. I looked at the website which addresses signal 'strength'. But my issue is with 'quality' not 'strength'.

The signal 'strength' stays consistently at 80%, even when the 'quality' fluctuates down to 20% .

So, I am still stymied. Thoughts ?

Regards



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Nick A's 10 posts GB flag
Nick's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
Les Nicol
sentiment_satisfiedGold

2:57 PM

Nick A: I realise you are seeking further response from Dave, but if you are still "stymied" and aren't a fanatical fan with regard to the "Dave" channel on "Freeview" there is a comparable channel line up on the "Freesat" platform. Perhaps a "no goer" for you if you have invested in "Freeview" equipment beyond a TV set with an onboard "Freeview" tuner.

Just a thought?

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Les Nicol's 991 posts GB flag
Dave Lindsay
sentiment_very_satisfiedPlatinum

3:14 PM

Nick A: There are two factors with digital signals:

- strength: this is the level of the signal (level of voltage if you like)

- quality: digital pictures are resolved to digits (numberical values)


A poor quality signal means that the digits are not being received correctly and hence the picture breaks up or cannot be resolved at all.

Receivers have upper thresholds of signal strength that they can operate at.

A hifi system has a similar maximum level above which the signal starts to distort and therefore the quality reduces.

I imagine that when the strength of a digital signal gets to a level that is excessive (or bordering on excessive), then the effect is analogous to distortion of a hifi system's sound output.

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Dave Lindsay's 5,724 posts GB flag
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