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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 06/12/2021 Screen may go black 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-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

PSB2
D3+4
 H max
C34 (578.0MHz)591mDTG-3100,000W
Channel icons
3 ITV (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 ITV +1 (West),

PSB3
BBCB
 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 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

COM4
SDN
 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 Player, 211 Ketchup TV, 212 YAAAS!, plus 15 others

COM5
ArqA
 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 9 others

COM6
ArqB
 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, 91 Classic Hits, 235 Aljazeera English, plus 18 others

LBS
 H -10dB
C51 (714.0MHz)591mDTG-1210,000W
Channel icons
from 22nd September 2014: 7 Made in Bristol,

com7
 H -1.4dB
C55 (746.0MHz)591mDTG-672,400W
Channel icons


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?

1984-971997-981998-20102010-1327 Mar 132013-1727 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
Wednesday, 5 December 2018
D
Derek Marsh
8:49 AM

Chris.SE: Hi Chris,
I need two channels for multiplexing in the Appleby Guise area (Sandy Heath). I know channel 34 is good. Can I safely use channel 39 please? If not what channel would you recommend please?

Derek

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Derek Marsh's 1 post GB
Wednesday, 12 December 2018
C
Chris.SE
sentiment_very_satisfiedPlatinum

8:02 AM

Derek Marsh:

You really should have asked this on the Sandy Heath board Sandy Heath (Central Bedfordshire, England) Full Freeview transmitter | free and easy
34 is currently free as is 39, but note SDN/COM4 moves to C33 in 2020.
You can check channel usage on Digital UK - Coverage checker and put in your postcode which will show you what transmitters you can receive and their current channels.
I would try to use channels above C56 unless there's a good reason why you cannot (eg. a strong local mobile phone mast using those frequencies).

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Chris.SE's 3,039 posts GB
Tuesday, 8 January 2019
M
Mick
5:12 PM

Current Mendip transmissions seem to be different from your listing. I see no Ch32 but I see 23, 26, 33,35, 36, 48,49, 52, 54, and 58.. I assume 23 and 26 are Stockland but if all the rest are Mendip, is any update as to which Muxs are on which channels available?
Many thanks,
Mick

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Mick's 1 post US
MikeP
sentiment_very_satisfiedPlatinum

9:46 PM

Mick:

Go to the Digital UK Coverage Checker at Digital UK - Coverage checker put in your full post code, select the Detailed view and hit Go. Then scroll down the reluting listing to see all the channels used for the multiplexes.

The owner of this website has been away for some time but has not yet had chance to bring all the entries for over 1100 transmitters up to date. The website I'm suggesting is run by the transmitter operators.



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MikeP's 3,056 posts GB
Thursday, 10 January 2019
A
Arch A
3:50 PM

After a deal of searching I have determined the following which may be of interest.

According to DigitalUK the retune dates in 2019 for Mendip TX 700MHz clearance are:

April 4th: BBC-A goes from UHF Ch 49 to Ch 32;

June 5th: BBC-B (HD) goes from 58 to 35; Com-8 from Ch 35 to 56; D3+4 from 54 to 34;

June 19th: Com-7 goes from to Ch 36 to 55; Arq-B goes from 52 to 36; LOC goes from 51 to 30.

SDN remains on Ch 48 (690 MHz), and Arq-A on Ch 33, throughout.

Com-7 and Com-8 will subsequently cease by Q1/2020.

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Arch A's 3 posts GB
MikeP
sentiment_very_satisfiedPlatinum

4:33 PM

Arch A:

Thee have been available on the Digital UK website for some time. All you need do is go to Digital UK - Coverage checker put in a post code, select Detailed View and click on Go. Then scroll down to the listings. That will show the current channels used plus when there will be changes and what channels will be used then.

That's one of the main sources of information we contributors use extensively.



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MikeP's 3,056 posts GB
Tuesday, 15 January 2019
C
Chris Dale
9:04 AM

This website page for the Mendip Tx lists Mux BBCA on ch 32. Yet Arch A's post and the Digital UK TV site show it still on ch 49 (which is what I receive it on) and the change to ch 32 not for some months ahead. Can the Mendip page be updated please as it caused me some confusion last time I did a manual retune on my Humax PVR.
Thanks
Chris

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Chris Dale's 2 posts GB
Wednesday, 16 January 2019
C
Chris.SE
sentiment_very_satisfiedPlatinum

12:38 AM

Arch A: & Chris Dale:

As has been mentioned previously by posters on this site, the website owner has had other commitments and has not been able to keep all aspects of the site up-to-date.

For current channel & mux information etc I'll repeat part of my post made on 6th March 2018 (p171) -

For those wanting to do a manual retune, the UHF channels are as follows -
UHF33 (ArqA-COM5), UHF48 (SDN-COM4), UHF49 (BBCA-PSB1), UHF51 (LBS) reception depends on location, UHF52 (ArqB-COM6), UHF54 (D3&4-PSB2). For those with HD tuners - include the following - UHF35 (COM8), UHF36 (COM7) and UHF58 (BBCB-PSB3).

For those wanting a list of Digital changes at Mendip, consult Freeview UK at Coverage Checker - Detailed View
To check reception at your own location, click on Change Address just below the big pink menu bar and then enter your postcode, make sure you have Detailed View ticked.

A list of current Freeview channels can be seen here - Digital UK | Channel listings
Planned Engineering work can be seen here - Digital UK | Planned engineering works

Note - There is planned engineering at Mendip this week with possible service interruptions.


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Chris.SE's 3,039 posts GB
C
Chris.SE
sentiment_very_satisfiedPlatinum

12:42 AM

I expect there will be a belated Transmitter Engineering post to advise that all muxes other than COMs 7&8 and LBS went off-air shortly after midnight.

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Chris.SE's 3,039 posts GB
Transmitter engineering
sentiment_very_satisfiedOwner

5:32 AM

MENDIP transmitter - Freeview: BBC Digital TV Off Air; DSO related from 00:19 today, HD Digital TV Off Air; DSO related from 00:19 today. [BBC]

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Transmitter engineering's 138,015 posts xx
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