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Full Freeview on the Mendip (Somerset, England) transmitter

first published this on - UK Free TV
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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 19/09/2022 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
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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 MAX, 209 Ketchup TV, 210 Ketchup Too, 211 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 8 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, 88 Classic Hits, 235 Aljazeera English, plus 19 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?

1984-971997-981998-20102010-132013-182013-1727 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
Thursday, 4 April 2019
C
Chris.SE
sentiment_very_satisfiedPlatinum

3:47 PM

Roger:

There was no problem when I last checked about an hour ago. Your location means that you may get a strong signal from Wenvoe as well. You best check using manual tuning that you are tuned to UHF32 for the BBCA mux (PSB1). The other possibility is if you have a very old group C/D aerial you may get insufficient signal as UHF32 is in Group A and you really need a Group T/Wideband aerial. Having said that unless you aren't in a very strong signal location most C/D aerials should give you some signal.
What sort of signal strength are you getting on the other multiplexes, especially those on UHF33, 35 & 36? Again you'll probably need to go into Manual Tuning mode to check that, or you may have a check signal setting.

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Chris.SE's 3,090 posts GB
MikeP
sentiment_very_satisfiedPlatinum

9:35 PM

Roger:

As of the time of writing, Mendip is operating correctly now, that's the transmitter I use. A retune is needed, but ensure you do not get the Wenvoe signals. The correct Mendip channels will be shown on the Digital UK Coverage Checker as long as you select the Detailed View and scan down for the Mendip listing.



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MikeP's 3,056 posts GB
Friday, 5 April 2019
M
mymatenige
8:13 AM

Some of the channel numbers / frequencies listed here are currently incorrect.

As 2019-04-04 they should be: 32, 54, 58, 48, 33, 52, 51, 36, 35

link to this comment
mymatenige's 4 posts US
G
Graham
10:42 AM

Mendip has been experimenting. My neighbour has had to retune twice to get BBC.
At 11 am 5 April the BBC Mux is transmitting on both Ch32 and Ch49. With my old C/D aerial I can only get 49.
I was having trouble with ArqA on 333 - (strength 65%, quality 0 to 95%); that too is dead today. Wonder how much longer 49 will continue.

link to this comment
Graham's 1 post GB
A
Adrian Auton
12:38 PM

I normally get mendip but am having trouble getting BBC on C32.

I tried to scan C32 this morning (5-Apr-19) at about 7am but was not picking up anything.

I have a wideband aerial (Labgear Tri-Boom 470-860 MHz) which has served well until now.

I didnt have time to try C33 etc. I will try again tonight and update this post.

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Adrian Auton's 3 posts GB
I
Iain Davies
2:31 PM

This afternoon 5/4 ch 49 was still transmitting MUX A, have they realised that many people with old C/D aerials can't get ch 32?

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Iain Davies's 11 posts GB
M
mymatenige
2:58 PM

It's still transmitting that MUX, but they've changed the LCNs to 751+.

link to this comment
mymatenige's 4 posts US
B
Brian
3:23 PM

What on earth is going on?? The BBC channels have disappeared from all my TVs and videos.
C32 has worked on some of my machines, but not others.
My old channel list was 48 49 52 54 58(HD) (and strill shown on wiki)
Above list shows 32 33 43 35 36 48(HD)
Something very wrong somewhere

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Brian's 4 posts GB
B
Brian
3:48 PM

Adrian Auton: c32 working for some of my machines, but not others.
Can't get BBC on my newish HUMAX, but can on my ancient PANASONIC VCRs.
But this site suggests that ALL the MENDIP channels have changed.
But they haven't.
Not today,anyway.
.
AS I said below, what's happening?

link to this comment
Brian's 4 posts GB
T
Tony H
8:10 PM
Bristol

Only Mux A (ch 32) changed on Mendip Tx yesterday 4 April 2019. The others will change on 5 and 19 June - there are helpful details at https://www.digitaluk.co.…cker and https://www.freeview.co.u…ges. The channel info above has been incorrect for some time - it currently shows the 'final' position, probably 'cos it can't keep up with the ever-changing DTV saga in the West Country!

Hope this helps!


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Tony H's 1 post US
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