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Full Freeview on the Mendip (Somerset, England) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.237,-2.626 or 51°14'12"N 2°37'33"Wsa_postcodeBA5 3LB

 

The symbol shows the location of the Mendip (Somerset, England) transmitter which serves 720,000 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 Mendip (Somerset, England) mast?

Mendip transmitter - Mendip transmitter: Possible effect on TV reception week commencing 04/11/2024 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 Mendip 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
C32 (562.0MHz)591mDTG-100,000W
Channel icons
1 BBC One (SD) West, 2 BBC Two England, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, plus 17 others

PSB2
D3+4
 H max
C34 (578.0MHz)591mDTG-100,000W
Channel icons
3 ITV 1 (SD) (West), 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 (West), 71 That’s 60s,

PSB3
BBCB
 H max
C35 (586.0MHz)591mDTG-100,000W
Channel icons
46 5SELECT, 101 BBC One HD West, 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
C48 (690.0MHz)591mDTG-8100,000W
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
C33 (570.0MHz)591mDTG-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
C36 (594.0MHz)591mDTG-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

LBS
 H -10dB
C30 (546.0MHz)591mDTG-1210,000W
Channel icons
from 22nd September 2014: 7 Made in Bristol,

DTG-8 64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
DTG-12 QSPK 8K 3/4 8.0Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)

Which BBC and ITV regional news can I watch from the Mendip transmitter?

regional news image
BBC Points West 0.9m homes 3.4%
from Bristol BS8 2LR, 25km north (3°)
to BBC West region - 60 masts.
regional news image
ITV West Country News (East) 0.9m homes 3.4%
from Bristol BS4 3HG, 23km north (11°)
to ITV West region - 61 masts.
All of lunch, weekend and 50% evening news is shared with West Country (West)

Are there any self-help relays?

CheddarTransposer15 km E Weston-super-Mare1674 homes
LuccombeActive deflector6 km w Minehead38 homes

How will the Mendip (Somerset, England) transmission frequencies change over time?

1984-971997-981998-20102010-132013-182013-1727 Feb 2018
C/D EEEC/D EC/D E TW TW T
C30_local
C32BBCA
C33com7com7
C34D3+4
C35com8com8
C36ArqB
C37C5wavesC5waves
C48SDNSDNSDNSDN
C49tv_off BBCABBCA
C51tv_offLBSLBS
C52tv_offArqBArqBArqB
C54tv_offC4wavesC4wavesC4wavesD3+4D3+4D3+4
C55tv_offcom7tv_off
C56tv_offArqAArqAArqACOM8tv_off
C58tv_offBBC1wavesBBC1wavesBBC1wavesBBCBBBCBBBCB
C61ITVwavesITVwavesITVwavesBBCA
C64BBC2wavesBBC2wavesBBC2waves

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 24 Mar 10 and 7 Apr 10.

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

Analogue 1-4 500kW
Analogue 5(-6dB) 126kW
SDN, ARQA, ARQB, BBCA, D3+4, BBCB(-7dB) 100kW
com7(-8.4dB) 72.4kW
com8(-8.6dB) 69.1kW
Mux 1*, Mux 2*, Mux A*, Mux B*, Mux C*, Mux D*, LBS(-17dB) 10kW

Which companies have run the Channel 3 services in the Mendip transmitter area

Jan 1958-Jul 1968Television Wales and the West
Jul 1968-Feb 2004Harlech 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. Mendip 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, 3 April 2018
C
Chris.SE
sentiment_very_satisfiedPlatinum

1:51 AM

phil: You are not correct in what you state. StevensOnln1 has explained it correctly. Sometimes for obscure reasons tuners can miss a channel on an auto scan. If you've experienced those sort of issues (and you have an adequate signal - which might mean a new aerial to achieve that!) then it often pays to do a factory reset/a complete scan with the aerial unplugged to clear all the stored information from the set and then start again.

Barrie Wreford: The transmitter power for COMs 7&8 has not changed since the UHF channel move. It is slightly lower than the other main muxes, but this should not affect your reception - especially if you can see the transmitter! This is also confirmed by the DigitalUK Coverage Checker Coverage Checker - Detailed View for your location. As others have mentioned previously, sometimes poorer reception on one mux can be due to a possible bad connection somewhere in your system. It would be worth checking through that all the connections, coax & aerial plugs/sockets etc are clean and free from corrosion or damage. I presume you have checked that the aerial hasn't moved in any recent high winds and is pointing correctly. If it's been installed for some considerable time, it could be worth checking the connections at the aerial itself if all else has failed to resolve the problem.

link to this comment
Chris.SE's 4,346 posts GB flag
Friday, 13 April 2018
R
RichardH
2:10 PM

Chris.SE is correct in what he says about checking connections. I lost channel 36 (Com 7) on my lounge television, channels 33 and 35 (Arq. A and Com 8) worked okay, although the signal level wasn't fantastic. All other used channels.had reasonable' signal levels.

Problem was caused by a poor connection at the aerial wall box, after a bit of wiggling channel 36 returned and the signal level on other channels also increased. So the moral of the story is check connections, even if other channels are working fine.

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RichardH's 7 posts GB flag
T
Terry
6:14 PM
Highbridge

David Newton: I have retuned my humax 2000t to postcode TA9 4HE numbers 49,54,48,33,52. And HD 58,36,35. As given by humax but I still cannot receive itv West on had, any ideas please?
E

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Terry's 2 posts GB flag
Terry's: mapT's Freeview map terrainT's terrain plot wavesT's frequency data T's Freeview Detailed Coverage
S
StevensOnln1
sentiment_very_satisfiedPlatinum

7:28 PM

Terry: ITV West is on UHF channel 54 from Mendip. ITV West is only available in SD on Freeview (the HD version is currently only available on satellite) so you will get a different region if you watch ITV HD on Freeview.

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StevensOnln1's 3,669 posts GB flag
Tuesday, 17 April 2018
C
Chris.SE
sentiment_very_satisfiedPlatinum

12:55 AM

Terry: David Newton is very unlikely to respond to your query as his post is very very old, and his problem appears to be due to having an old band C/D aerial.
In your case it's as StevensOnln1 explains, you will get ITV Central instead. This is because of the way ITV distributes the HD channels to transmitters - it's separate from the SD channel distribution.

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Chris.SE's 4,346 posts GB flag
Thursday, 26 April 2018
W
wes.w
3:03 PM

If you've lost ITV3 in the last month it has moved. Its now on PSB2 (C54/738.0MHz) same as ITV, ITV2 and ITV4.

I was very pleased to see that the software on my TV (Bush Freeview Play HD 32" Argos special, bought just before Xmas) now has two options if you go for a full retune - the usual "replace all channels" and a new "update all channels" which keeps the channels in the order I want, rather than the muddled order they used to come in.

link to this comment
wes.w's 1 post GB flag
S
SJ Dunnett
7:39 PM
Wellington

TA21 8BH
Hello, I wish to get a digital aerial For top of stairs ,next to bathroom, and receive TV channels, so need distance as crow flys and good brand for weak reception area.

link to this comment
SJ Dunnett's 1 post GB flag
SJ's: mapS's Freeview map terrainS's terrain plot wavesS's frequency data S's Freeview Detailed Coverage
G
Gary Colby
9:23 PM

Just to update.

Got an aerial guy from Aerial Express to come round and replace my aerial. Don't know the make or model, but the problem has gone, and I'm getting a signal strength of 10 where as before it was just one.

So sorted.

Thanks for the feedback guys.

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Gary Colby's 5 posts GB flag
S
StevensOnln1
sentiment_very_satisfiedPlatinum

11:04 PM

SJ Dunnett: There is no such thing as a digital aerial. An aerial is a piece of metal which receives radio waves and does not know or care whether they are analogue or digital. The prediction for your postcode shows that you should get a good signal from the Mendip transmitter, although you are 52km away so you would be better off having an aerial fitted on the roof (of maybe in the loft) rather than trying to use an indoor aerial.

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StevensOnln1's 3,669 posts GB flag
Saturday, 28 April 2018
J
Jackie Webb
9:12 PM

Since the change over I have problems with a bad signal for sky news?

link to this comment
Jackie Webb's 3 posts GB flag
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