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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.

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 11/11/2024 Pixelation or flickering on some or all channels Digital tick


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
Tuesday, 4 September 2018
N
nick horrex
sentiment_satisfiedGold

10:57 PM

Hardy,

I alternatively use an Alfa dongle. It has more oomph than the Edimax, but can only be used on the pc, connected, unlike Edimax it does not transmit to phones/tablets.

link to this comment
nick horrex's 431 posts GB flag
N
nick horrex
sentiment_satisfiedGold

11:54 PM

Hardy
that biquad, something wrong, space between dipole and reflector usually 15mm, not 30.

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nick horrex's 431 posts GB flag
Wednesday, 5 September 2018
H
Hardy
sentiment_satisfiedSilver

11:43 AM

You can find designs for wifi antennas online . I agree that swr is more important for wifi as it transmits .

The biquad I linked to was calculated for 50 ohms . Maybe the 30mm is the calculated value . The lower figure gives more gain . Perhaps they usually accept a worse SWR than optimum.

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Hardy's 137 posts GB flag
N
nick horrex
sentiment_satisfiedGold

1:39 PM

yes, Hardy, may be so

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nick horrex's 431 posts GB flag
Tuesday, 11 September 2018
N
nick horrex
sentiment_satisfiedGold

7:47 PM

Hardy

I have made your biquad, and a similar one for 5ghz. The design is wider and shallower than others but works better, though not as well as my yagi.

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nick horrex's 431 posts GB flag
Wednesday, 12 September 2018
P
Paul Dicken
11:18 AM
Woodbridge

I've just moved to Woodbridge (IP12 4DD) and currently don't have a TV aerial. I'm intending to attach the TV aerial to the chimney stack. I presume that I should align to the Sudbury transmitter even though a repeater transmitter exists in Woodbridge. The aerial group for Sudbury (and therefore I presume Woodbridge) in 2020 therefore do I need a K group aerial now, in anticipation of the change in 2020 ?
Can you advise; best aerial to buy, best transmitter to align to.
Many thanks,
Paul

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Paul Dicken's 1 post GB flag
Paul's: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
S
StevensOnln1
sentiment_very_satisfiedPlatinum

2:24 PM

Paul Dicken: According to the DigitalUK trade checker for your postcode, Sudbury should give good coverage. The Woodbridge relay is predicted to be poor. You would be best off installing a wideband type aerial, such as a log periodic design which will be suitable for receiving all current frequencies and able to cope with any future frequency changes.

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StevensOnln1's 3,670 posts GB flag
Dale Rumbold
sentiment_satisfiedBronze

9:19 PM

Paul Dicken: Frequencies changed at Sudbury earlier this year, and I can't see anything else planned, certainly not in 2020 : I am also on the Sudbury transmitter here in Ipswich. What did you think was going to change in 2020? (just in case I've missed something)

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Dale Rumbold's 78 posts GB flag
Thursday, 13 September 2018
MikeP
sentiment_very_satisfiedPlatinum

10:51 AM

Dale Rumbold:

There are changes shown as planned for April-June 2019. Though the channels used are not planned to change, other aspects may well. So StevensOnln1's advice to use a wideband aerial is correct and suitable for all predictable future transmissions.

It is worth noting that there are plans to change the encoding of most signals from DVB-T to DVB-T2 over time so that more HD services can be provided. That will also allow more channels on existing transmitters. It cannot be done 'all at once' as people will need to have a TV set, etc that is Freeview HD capable.



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MikeP's 3,056 posts GB flag
N
nick horrex
sentiment_satisfiedGold

11:57 PM

Mike P
you mean we will keep the existing channels but some will become HD? Why oh why can they not leave things alone now? This will make most of my freeview boxes useless!

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nick horrex's 431 posts GB flag
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