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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.

This transmitter has no current reported problems

The BBC and Digital UK report there are no faults or engineering work on the Mendip (Somerset, England) transmitter.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name

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.

 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

 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),

 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

 H max
C48 (690.0MHz)591mDTG-8100,000W
Channel icons
20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 Dave ja vu, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 78 TCC, 81 Blaze +1, 83 Together TV, 89 ITV4 +1, 91 WildEarth, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 30 others

 H max
C33 (570.0MHz)591mDTG-8100,000W
Channel icons
11 Sky Mix, 17 Really, 19 Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 Drama +1, 65 That's TV 2, 70 Quest +1, 74 Yesterday +1, 75 That's 90s, 233 Sky News, plus 11 others

 H max
C36 (594.0MHz)591mDTG-8100,000W
Channel icons
12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! romance, 56 That's TV (UK), 61 GREAT! movies extra, 63 GREAT! romance mix, 71 That’s 60s, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 others

 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
C49tv_off BBCABBCA

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.

Friday, 23 December 2016

4:14 PM


Near the top os this page is a section showing the current and projected future channel usage of the Mendip main transmitter. It corresponds to that published by Ofcom recently.

I'm not sure where you are getting your channel allocation data from but it differs markedly from that already available. It is highly unlikely that it will be limited to channel ion the 32 to 36 plus 48 range.

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MikeP's 3,056 posts GB flag
4:50 PM

Hello MikeP

This is turning into a dialogue of the deaf!

I repeat - PLEASE would you indicate exactly WHERE Ofcom have published the the details of the channels that will be used - and let me make this as clear as possible - AFTER the clearance of the 700 MHz band, ie when chs 48 upwards are taken away from TV transmissions, some time around 2019.

I am not in a position unfortunately to tell you the source of my information - which is frustrating for both of us. However, it was a complete list of the UHF channel allocations which will be used post 2019 (ish), and as I say Mendip - according to this list - won't be using the channels (22/25/28/40/43/46) that are indicated here on uktvfree.

I will of course be happy to concede this if you would be good enough to point me in the direction of this Ofcom publication on which you seem to be placing so much reliance.

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Martin's 15 posts GB flag
4:53 PM

Sorry, that should of course read

<<ie when chs 49 upwards are taken away>>

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Martin's 15 posts GB flag
Saturday, 24 December 2016

4:15 PM


I suggest you ask Briantist who runs this webs ite where he gets the data from.

link to this comment
MikeP's 3,056 posts GB flag
Monday, 26 December 2016
9:41 AM

Thanks MikeP. Good idea. I'll wait a bit and see if he sees this thread, if not I'll try and prompt him direct when the holidays are over.

FWIW there are nine standard channel groups under the new plan, each consisting of three UHF channels. Two of these new groups are 32/34/35 and 33/36/48. That's where the reference to "channels in the range 32-36, along with 48" comes from. So each 6 MUX main station will be allocated two of these new groups, although there are of course certain sites where other UHF channels have to be "borrowed", for example where one of the channels in a standard group is subject to interference from the continent.

Have a good holiday MikeP.

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Martin's 15 posts GB flag
Thursday, 29 December 2016

6:45 AM

In recent times I have found that the ability to search the OFCOM website for useful information has markedly reduced. Maybe this is part of some government policy to limit the information that can be discovered by us mere plebs. Whilst I will admit my search efforts have not been totally exhaustive, on this occasion I have been unable to locate any current documents on the OFCOM site that refer to channel allocation!! Nor can I find anything on Arqiva's site.
Briantist: perhaps you'd be kind enough to clear this up for us, and if possible, links to any relevant documents.

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Chris.SE's 4,076 posts GB flag
Sunday, 8 January 2017
9:11 PM

Found I've had poor signals on freeview channels 17 etc recently.
Have recently lost channel 17
Have completely lost all the ITV and CH4 channels tonight - most annoying, 1/4 way through Endevour!
Has the power been reduced?

BBC channels fine!

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Andy's 1 post GB flag

9:40 PM

Andy: Check your system/signal strength - it sounds like your losing muxes, and thats a classic sign of loose connections, etc.

No, transmitters dont suddenly go to low power, unless there is work being done on them, and thats for only very brief periods.

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MikeB's 2,579 posts GB flag
Monday, 9 January 2017
6:36 AM

I've been having reception problems from Mendip all weekend in WSM, both on the ITV (D3+4) mux and on the BBC 4 (COM7) Mux.
BBCA and BBCB Mux appear to be unaffected, not sure about the others.

I can't find any faults listed online yet, could it be the weather conditions causing co-channel interference?

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NigelW's 2 posts GB flag

4:13 PM


there are no reported problems with the Mendip transmitter. If there were several hundreds of thousands of people would be complaining.

It is more likely that your system has some poor connections in the aerial feed to the equipment. Start by checking that all the aerial connectors are pushed in correctly and have no corrosion (simply take the aerial plugs out, check they are tight on the cable and then re-insert them in the socket they came from).

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MikeP's 3,056 posts GB flag
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