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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 27/05/2024 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

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 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 78 TCC, 81 Blaze +1, 83 Together TV, 91 WildEarth, 93 ITVBe +1, 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), 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, 11 December 2020

2:49 AM


Hi Alan, I do apologise about the confusion over the aerial, I'd been reading some other performance reports and clearly had the wrong one in mind!
As far as the XB10K tests by ATV go, the gain at C35 & C37 and C48 and C55 (they didn't measure C36 as there was no transmission on C36 at the time the tests were done) was 5dBuV compared to 4dBuV on C32 & C34. It peaks at 8dBuV at C52 & C53, so the results you are getting are a bit of a puzzle if attenuation post amp is not having any effect on the relative Quality and Strength figures.
As far as cable goes, it should have identification marking on its sheath. There is 50ohm cable but it's used in other applications. 75ohm is what should be used as you know.

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Chris.SE's 4,204 posts GB flag
Saturday, 9 January 2021

8:55 AM


Just a reminder as the listings at the top of the page haven't been correctly updated -
Check you are tuned to Mendip's correct UHF channels C32, C34, C35, C48, C33, C36, C55, C30. That's is the order PSBs1-3, COMs 4-7, Local mux.

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Chris.SE's 4,204 posts GB flag
Friday, 5 February 2021
7:25 PM

Can I get Sony Classic (Freeview 51) from the Mendip transmitter?

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Steppy's 1 post GB flag

11:38 PM

Steppy: Sony Classic Movies is carried on the local TV multiplex, which is broadcast from Mendip, but only in the direction of Bristol and some of the surrouding areas.

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StevensOnln1's 3,639 posts GB flag
Sunday, 14 February 2021
Andrew Sparkes
7:57 PM

Is there any issues with channel4 and film 4 signal. Seem to be having signal issues recently. I have rescanned and the aerial has no issues with other channels. Have notice that it seems to be during poor weather that we get the issues

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Andrew Sparkes's 4 posts GB flag

9:17 PM

Andrew Sparkes :

Channel4 and Film4 are both on the D3&4/PSB2 multiplex the same as a number of ITV channels - see Channel listings for Industry Professionals | Freeview for which channels are on which multiplex. Did you not notice similar problems with ITV?

Mendip had been listed for Planned Engineering (Possible weak signal) so that might have caused an issue. As you probably know, in your location (assuming you haven't moved) you can receive two other main transmitters - Wenvoe & Stockland Hill. If Mendip was weak when you retuned you might have become inadvertently not tuned to Mendip. Check in your TV's tuning section that you are correctly tuned to Mendip's UHF channels. See my post 3 before yours (9th Jan.).

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Chris.SE's 4,204 posts GB flag
Tuesday, 9 March 2021
11:42 AM

I'm in Chipping Sodbury and don't seem to be able to get channel 51 Sony Classic Movies. I've tried a rescan but no joy. The site mentions "planned engineering work" at Mendip. Might this be the problem?

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Fiona's 1 post GB flag
12:32 PM

For last few days (5 March) no BBC reception (all stations, TV and Radio).
Other stations OK.
Usual standard advice from BBC - do reset, old aerial etc.
Please explain - why suddenly, why only BBC?

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Barrie's 2 posts GB flag
12:34 PM

For last few days (March 5) no BBC stations received.
All other stations OK.

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Barrie's 2 posts GB flag

2:25 PM

Fiona: Please provide a full postcode so that we can see what the predicted reception is at your exact location. Were you previously receiving Sony Classic Movies? If you were, it may be that broadcast power has been reduced temporarily whilst the engineering work is taking place.

Barrie: We need to know where you are (please provide a full postcode) to know what reception is predicted to be like at your location. There is currently planned engineering work taking place at Mendip, which may result in the transmitter broadcasting at lower power temporarily whilst the work takes place. Have you checked for any loose or damaged cables or connections behind your TV? If you retuned whilst the channels were missing you may have deleted the correct tuning data for the missing channels.

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StevensOnln1's 3,639 posts GB flag
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