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Full Freeview on the The Wrekin (Telford and Wrekin, England) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps52.670,-2.552 or 52°40'13"N 2°33'6"Wsa_postcodeTF6 5AH

 

The symbol shows the location of the The Wrekin (Telford and Wrekin, England) transmitter which serves 280,000 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 The Wrekin (Telford and Wrekin, 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 The Wrekin 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
C26 (514.0MHz)455mDTG-320,000W
Channel icons
1 BBC One (SD) West Midlands, 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 18 others

PSB2
D3+4
 H max
C23 (490.0MHz)455mDTG-320,000W
Channel icons
3 ITV (SD) (Central (West micro region)), 4 Channel 4 (SD) Midlands ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 Midlands ads, 18 More4, 26 ITV4, 30 E4 +1, 35 ITV +1 (Central west),

PSB3
BBCB
 H max
C30- (545.8MHz)455mDTG-620,000W
Channel icons
56 5SELECT, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV HD (ITV Central West), 104 Channel 4 HD Midlands 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 -3dB
C41+ (634.2MHz)455mDTG-810,000W
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 Player, 211 Ketchup TV, 212 YAAAS!, plus 15 others

COM5
ArqA
 H -3dB
C44 (658.0MHz)455mDTG-810,000W
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 9 others

COM6
ArqB
 H -3dB
C47 (682.0MHz)455mDTG-810,000W
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, 91 Classic Hits, 235 Aljazeera English, plus 18 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 The Wrekin (Telford and Wrekin, 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 The Wrekin transmitter?

regional news image
BBC Midlands Today 2.9m homes 10.9%
from Birmingham B1 1RF, 49km east-southeast (116°)
to BBC West Midlands region - 66 masts.
regional news image
ITV Central News 2.9m homes 10.9%
from Birmingham B1 2JT, 49km east-southeast (116°)
to ITV Central (West) region - 65 masts.
All of lunch, weekend and 80% evening news is shared with Central (East)

How will the The Wrekin (Telford and Wrekin, England) transmission frequencies change over time?

1984-971997-981998-20112011-1327 Feb 2018
A K TA K TA K TW TK T
C23ITVwavesITVwavesITVwavesD3+4D3+4
C26BBC1wavesBBC1wavesBBC1wavesBBCABBCA
C29C4wavesC4wavesC4waves
C30-BBCBBBCB
C33BBC2wavesBBC2wavesBBC2waves
C35C5wavesC5waves
C41+SDNSDN
C44ArqAArqA
C47ArqBArqB
C48_local_local
C51tv_off_local

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 Apr 11 and 20 Apr 11.

How do the old analogue and currrent digital signal levels compare?

Analogue 1-5 100kW
BBCA, D3+4, BBCB(-7dB) 20kW
SDN, ARQA, ARQB(-10dB) 10kW
Mux 1*, Mux 2*, Mux A*, Mux B*(-17dB) 2kW
Mux C*, Mux D*(-20dB) 1000W

Which companies have run the Channel 3 services in the The Wrekin transmitter area

Feb 1956-Jul 1968Associated TeleVision†
Feb 1956-Jul 1968Associated British Corporation◊
Jul 1968-Dec 1981Associated TeleVision
Jan 1982-Feb 2004Central Independent 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. The Wrekin 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.

Is the transmitter output the same in all directions?

Radiation patterns withheld

Comments
Friday, 22 April 2011
S
Steve
sentiment_satisfiedGold

11:15 AM
Wrexham

What are they 2k and 8k of?

link to this comment
Steve's 1,172 posts GB
J
jordan
12:43 PM
Wolverhampton

at night i pick up bbc one wales and all the channels that are on that multiplex but the signal gets weaker and then it has gone

link to this comment
jordan's 10 posts GB
K
keith
2:49 PM
Walsall

ws5 3dr
since changeover I have lost a lot of channels including sky news, constant retuning makes no difference, does your information mean its lost until september ??

link to this comment
keith's 3 posts GB
S
Steve
sentiment_satisfiedGold

4:32 PM
Walsall

keith - if you plug your postcode into top right of this page, then select "Digital Trade View" you will see that you should be geting everything strongly from very nearby Sutton Coldfield.

So why are you on the Wrekin, if you are?

link to this comment
Steve's 1,172 posts GB
S
Steve
sentiment_satisfiedGold

4:36 PM
Walsall

Brian - I hope you won't mind me mentioning it, but your notes "If you have..." may not be very clear to someone unfamiliar with the concepts involved. Might be clearer if they showed as hyperlinks needing to be folloewed without hovering?

link to this comment
Steve's 1,172 posts GB
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

7:08 PM

Steve: The useful time that any given pattern of carrier data ('symbol') is on the air is either 2,048 or 8,192 time units. In 8 MHz-wide channels as used in the UK, a time unit is 7/8ths of 125 nanoseconds. The useful time is 224 microseconds (s) for 2K mode. For 8K mode it's 896s. It's a modulation rate of 1.116 kHz for 8K and 4.464 kHz for 2K.

The number is quite closely related to the number of carriers within the 8 MHz bandwidth of a channel: in 2K mode, there are 1,512 useful carriers and in 8K, 6,048. There are also a number of extra 'pilot' carriers that indicate the edges of the band and carry information about how the data is encoded, bringing it up to 1,705 for 2K mode and 6,817 for 8K. Why this number? It works better for the mathematical process that works out what the value of each carrier is.

The more carriers there are, the more memory the digital signal processor needs to perform the Fast Fourier Transform algorithm to determine the amplitude and phase of each carrier. The 8K mode would cost more to implement, so some early receivers only implemented 2K mode. The 8K mode is more resilient, though, as narrow-band interference knocks out fewer carriers, and because of the longer duration, is more tolerant to echoes and reflections.

link to this comment
Mike Dimmick's 2,486 posts GB
S
Steve
sentiment_satisfiedGold

8:27 PM

Thanks Mike. My knowledge of transmission stopped at SSB, so I have some catchup to do! This is good
Quadrature amplitude modulation - Wikipedia, the free encyclopedia

Turning to reception; just had a play with the kitchen TV (first floor; set-top loop Ae only, clear view through trees to the Wrekin 30 miles away). Chs 53 and 57 are better, but 31 worse. But added back my evil booster which makes all usable. Only snag is you stand in the way when at the main food prep place!

Have retuned proper TV with rooftop to get Sutton Coldfield Analogue - only 17 degrees different direction, so now have back-up and quick channel hop. (LL145HD)

link to this comment
Steve's 1,172 posts GB
K
keith
9:18 PM
Walsall

Hi Steve,

We are behind a big hill and cannot get any reception from sutton, although our next door neighbour can, its sounds wierd but it's true, hence we point to the wrekin

link to this comment
keith's 3 posts GB
Saturday, 23 April 2011
S
Steve
sentiment_satisfiedGold

12:00 AM
Wrexham

Sounds feasible - though extreme. How far apart are your aerials?

Could you try your kit on his aerial?

link to this comment
Steve's 1,172 posts GB
meirion jenkins
6:20 AM
Wrexham

potal code ll14 3pg ,cefn mawr wrexham, when will ,chanels film 4,yesterday,sky ,and all music chanels return to my freeview

link to this comment
meirion jenkins's 4 posts NO
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