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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-3100,000W
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, 250 BBC Red Button, plus 16 others

 H max
C34 (578.0MHz)591mDTG-3100,000W
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, 30 E4 +1, 35 ITV1 +1 (West),

 H max
C35 (586.0MHz)591mDTG-6100,000W
Channel icons
56 5SELECT, 101 BBC One HD (England no regional news), 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, 109 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

 H max
C48 (690.0MHz)591mDTG-8100,000W
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 MAX, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 15 others

 H max
C33 (570.0MHz)591mDTG-8100,000W
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 8 others

 H max
C36 (594.0MHz)591mDTG-8100,000W
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, 88 Classic Hits, 235 Aljazeera English, plus 19 others

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

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
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.

Wednesday, 12 October 2011
4:07 PM

For a long time had problems with channel 67 reception on retune lost all 52 & 67 tried everything so replaced my stb with a Sony DT 500 tv recorder now receive all channels with such a high signal & quality levels have had to remove aerial amp I am in a poor signal area in Poole get good reception now from Mendip in all weathers consider extra expence well worth it.

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mike's 1 post GB

4:30 PM

Brian Hudson: When Arq A (COM5) moved to 67 on Sept.28th, the Mode changed to 8k (the same as Arq B was before the 28th). If you had reception problems with Arq B previously then you will continue to have problems with Arq A until the power increase next March.

I previously didn't have a problem and reception was OK immediately after the 28th. changeover, and strength seemed similar to before. Now however, the strength seems somewhat lower and I've noticed that they are supposedly transmitting with 3/4 FEC instead of 2/3 FEC as previously, according to Digital UK's Trade view page. This change will have the effect of reducing the noise margin by 1.5dB or so as far as I can see, which means if you have marginal reception you may lose it all together. However as some of the other information there in relation to the COM muxes is wrong, I cannot be certain and I'm investigating further, but it would explain the current poorer reception.

link to this comment
Chris.SE's 251 posts GB

4:44 PM

Brian Hudson: Apologies, I can't remember where the Arq A FEC info came from, I'm checking further.

Mr Mendip: If you lose programmes on Arq B, then you will have to retune UHF C52. I don't know for certain, but I suspect it may be box/set dependant.

link to this comment
Chris.SE's 251 posts GB
Thursday, 13 October 2011
1:13 AM

I currently can't receive c5 why would this be. Sky box doesn't say no signal or technical fault.

link to this comment
jaime's 1 post GB

7:50 AM

jaime: What does it say when you go to 105?

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Briantist's 38,844 posts GB
Wednesday, 19 October 2011
7:39 AM

I live in Midsomer Norton and have lost all channels in the com 5 section. I have only 85 channels when I retune,, except once a few days ago, when I got 106 . These extra 21 have disappeared again this morning. Help, this is very frustrating.

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Ceejay's 1 post GB
Thursday, 20 October 2011

5:47 PM

Ceejay: Check for single frequency interference on C67, such as an RF modulator of a VCR or Sky box set to C67/C68.Also check cables and connectors. You are predicted (using the postcode of the local primary school as a reference) to have good reception on all muxes from Mendip.

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KMJ,Derby's 1,811 posts GB
Thursday, 27 October 2011
1:30 PM

Since the last retune at the end of september I've had problems with com5 & com6, have had the rare day when the reception has been fine but 99% of the time all channels on those 2 have been unwatchable. Windy conditions certainly effect reception on com5 & 6 which wasn't the case prior to the last retune but today com5 & 6 are booming in, 100% on both signal & quality and no fluctuations either, doubt it will last long though!

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Paul's 7 posts GB
Sunday, 30 October 2011
12:45 AM

In my case it's not too strong a signal that's causing the reception problems with com 5 & 6, the good reception I had only lasted one day, it's unwatchable again now, I still have around 70% signal strength bit the quality is all but gone, it's hovering around 5-10%

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paul's 7 posts GB
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