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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 - DAB: Slightly reduced power due to a fault from 9 Dec 13:35 until 9 Dec 13:46. . BBC

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, 89 ITV4 +1, 91 WildEarth, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 35 others

 H max
C33 (570.0MHz)591mDTG-8100,000W
Channel icons
 Smithsonian Channel, 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 Christmas, 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
 Quest Red +1,  Classic Hits, 12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 61 GREAT! movies extra, 63 GREAT! christmas mix, 71 That’s 60s, 73 HobbyMaker, 82 Talking Pictures TV, 83 Together TV, 84 PBS America, 235 Al Jazeera Eng, plus 20 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.

Tuesday, 11 February 2014

2:48 AM

Iain Davies:
The test transmissions showing old US programmes on the Bonanza channel (it used to be on the Sky line-up a few years ago) also started from Waltham yesterday.
Here in Notts., Test 1 is still showing colour bars whilst Test 2 is showing Bonanza programming (including adverts!).
Both Test 1 & Test 2 are being broadcast on Ch. 26 (514.00 MHz) with no interference.
Iain, I can't understand though why you're receiving Ch.64 because that's no longer used for tv. Your local relays at Ilchester Crescent and Kings Weston Hill will both use Ch. 30 and Mendip Ch. 51

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Jim's 28 posts GB flag

9:33 AM

Jim: I'm not sure if it's a trailer or the actual channel...

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Briantist's 38,908 posts GB flag
Iain Davies

7:54 PM

Jim, no the ref. to CH64 in on the Freeview EPG the broadcast channel as you say is on 51. In Weston super Mare the signal is not that strong but it does tune in with no break up.

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Iain Davies's 38 posts GB flag

8:50 PM

So it is appearing on Logical Programme Number 64 and not Channel 64, that's now in the spectrum being used for 4G.

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MikeP's 3,056 posts GB flag

9:02 PM

Hi Briantist and Iain D,

The 'Bonanza channel' programmes seem to be showing in their entirety on Ch.792 as Test 1, which from Waltham, also appears on the Freeview EPG.

Test 2 (colour bars) is coming up on 811 but doesn't show on the EPG (presumably because there are no programmes!).

There's nothing on EPG Ch. 64 here.

Does 'Bonanza' actually broadcast anywhere in its own right?


link to this comment
Jim's 28 posts GB flag
Wednesday, 12 February 2014
Iain Davies

11:36 PM

From Mendip at the moment BonanzaBonanza is on EPG 64 Local test 1 is still on EPG 791, which should go to EPG 8 when in full service. So the question is will there be other channels on this CH 51?

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Iain Davies's 38 posts GB flag
Thursday, 13 February 2014

8:50 AM

Iain Davies: Well, giving Ofcom | Television Broadcast Licensing Update January 2014 as a guide, I would guess we're due to see "ABC Shopping" very soon!

There are two "quazi-national" channels that are being used to support Comux and the network of local stations.

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Briantist's 38,908 posts GB flag
Friday, 14 February 2014
Charles Stuart

3:19 PM

I noticed recently that Channel 5+24 started broadcasting on channel 55, that ITV4+1 is now showing on the EPG at channel 54 and Quest+1 at channel 57. I assume that this indicates that the compression technology is getting even more efficient, even within the constraints of DVB-T. (I haven't noticed any services ceasing to broadcast.) How is this being achieved and does this mean that DVB-T2 can also provide more channels because of improvements to compression technology? (51.4634,-2.5264) 

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Charles Stuart's 159 posts GB flag
Charles Stuart

10:01 PM

Seeing that Bonanza has commercials, I am of the impression that it's a permanent new channel, rather than some kind of test transmission. (51.4634,-2.5264) 

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Charles Stuart's 159 posts GB flag
Saturday, 15 February 2014

3:25 AM

Further to my earlier postings, Waltham (as Mendip) is now broadcasting 'BonanzaBonanza' on EPG 64 (it no longer states Local tv Test').
It was showing the usual old US programmes on Friday evening plus an hour of Teleshopping.
Comux - Local tv Test 1 (colour bars) is on 811.

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Jim's 28 posts GB flag
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