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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 18/10/2021 Possible 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.

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, 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, 25 ITV4, 29 E4 +1, 34 ITV +1 (West),

PSB3
BBCB
 H max
C35 (586.0MHz)591mDTG-6100,000W
Channel icons
72 Shopping Quarter , 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, 204 CBBC HD, plus 1 others

COM4
SDN
 H max
C48 (690.0MHz)591mDTG-8100,000W
Channel icons
 CCXTV, 12 Quest, 20 Drama, 21 5USA, 28 ITV2 +1, 31 5STAR, 32 Paramount Network, 41 GREAT! movies action, 45 Channel 5 +1, 55 5SELECT, 57 ITVBe +1, 58 ITV3 +1, 59 ITV4 +1, 63 Blaze, 66 CBS Reality, 68 Horror Channel, 73 Drama +1, 77 TCC, 80 Blaze +1, 203 CITV, 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, 30 4Music, 35 pick, 39 Quest Red, 42 Food Network, 46 Film4 +1, 47 Challenge, 48 4seven, 56 Smithsonian Channel, 69 Quest +1, 74 Yesterday +1, 82 Together TV, 233 Sky News, plus 9 others

COM6
ArqB
 H max
C36 (594.0MHz)591mDTG-8100,000W
Channel icons
23 Dave ja vu, 26 Yesterday, 33 GREAT! movies, 38 DMAX, 40 CBS Justice, 43 HGTV, 67 CBS Drama, 81 Talking Pictures TV, 84 PBS America, 234 RT, 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
 Together TV +1,  Merit, 64 FreeSports, 70 Quest Red +1, 76 Now 70s, 86 More4 +1, 87 PBS America +1, 89 Court TV, 96 Forces TV, 106 BBC Four HD, 107 BBC News HD, 113 RT HD, 114 Quest HD, 205 CBeebies HD, plus 2 others

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 - 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, 20 June 2019
S
StevensOnln1
sentiment_very_satisfiedPlatinum

9:25 AM

Phelan: Various channels have recently changes frequency at Mendip. If you are also missing Pick, Dave and Really (all are on the COM5 multiplex along with Sky News) and can't get them back by retuning, you should contact the Freeview Advice Line (see link below) who can arrange for a replacement wideband aerial to be fitted, free of charge if you don't have satellite or cable.

Important changes to Freeview TV signals | Freeview

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StevensOnln1's 3,142 posts GB
Friday, 21 June 2019
A
A Vaughan-Read
1:39 PM

Help by enabling us to view BBC1 ,2,3,4, ITV 1,3 etc that ,since april have disappeared following retuning
5th email to freeview
no one helped so far.....
Nothing on Group 32, 50 channels on group 48 ( b uyt no BBC ITV,
(we to Have Russia Today and Al Jazeeera)
NO channels between 695 and 12 ( quest)

A failure

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A Vaughan-Read's 1 post GB
K
Kevin Barrett
1:56 PM

I have recently re-tuned and have good reception from the Mendip Transmitter even needing to reduce the output of my variable amplifier so it is not strictly a reception problem.

The issue I am trying to resolve is that I am receiving the following that do tally with your channel listing.

22 = Ideal world. Not shown on any of your MUXs
26 - ITVBe. Not shown on any of your MUXs
40 = movies4men. You list this as channel 48 on COM5 Arqa.
42 You list as "DMAX" but I get "Home" with my DMAX on 37

Thanks,

Kevin
Post code = SN40NW

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Kevin Barrett's 1 post GB
S
StevensOnln1
sentiment_very_satisfiedPlatinum

3:11 PM

A Vaughan-Read: You most likely have a Group C/D aerial which is not designed to receive the lower part of the UHF band. The Freeview Advice Line (see link below) should offer you a replacement wideband aerial, free of charge if you don't have satellite or cable.

Important changes to Freeview TV signals | Freeview

Kevin Barrett: The channel list on this website is out of date. Digital UK have an up to date listing at Digital UK | Channel listings

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StevensOnln1's 3,142 posts GB
MikeP
sentiment_very_satisfiedPlatinum

11:03 PM

Just a note to everyone using Mendip.

As I use that transmitter and am a regular contributer to this website I am also suffering from poor reception oc channels 32 and 33 despite using a log-periodic aerial (a Log36 design). I suspect the radiated signals are not as good as previously so have ordered a more powerful aerial amplifier to try. I will let you all know how that works when it arrives (due next Wednesday).



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MikeP's 3,056 posts GB
Saturday, 22 June 2019
M
Michael Dow
sentiment_satisfiedBronze

11:52 AM

Since doing a full retune this week I can now receive coms 7&8 which previously could not be received. Signal strength 78 Quality 100%.

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Michael Dow's 29 posts GB
Sunday, 23 June 2019
C
Carole
7:36 PM

Talking Pictures tv is breaking up and unwatchable. This happened last week too and then it cleared up on Friday. Back to awful again. I have done every bit of retuning possible. What is the problem?

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Carole's 6 posts GB
Monday, 24 June 2019
C
Chris.SE
sentiment_very_satisfiedPlatinum

8:00 AM

All using Mendip:

It seems a number of posters are not reading back at the information and advice already given to people with similar or identical problems, so I will repeat most of the information I & others have previously posted.

The changes that have taken place have been planned for several years to clear those UHF frequencies for use by new 5G mobile services. The changes are managed by OFCOM and the transmitters operators (usually Arqiva).
Note this site is not owned or managed by any of the broadcasters or transmitter operators, it is a help site for people with Freeview problems.

The changes at Mendip mean that channels have moved from those previously covered by a C/D group aerial. Some very old C/D aerials won't pick up lower UHF channels C32-C36 satisfactorily, but many will. For those still having problems with the lower UHF channels 32, 33 etc, then your aerial system may need upgrading to a T Group or Wideband & for those where the aerial is an issue, as long as they don't also have Cable and/or Satellite, they may be eligible for assistance with an aerial change from Freeview as detailed on this page Important changes to Freeview TV signals | Freeview (Important changes to Freeview TV signals).

For up-to date information about channel numbers & predicted coverage at your location, go to Digital UK - Coverage checker and put in your postcode & ensure the box 'Detailed view' is ticked.
The "final" UHF channels for Mendip are now 32, 34, 35, 48, 33, 36 for the main 6 muxes, 55 & 56 for COMs 7&8 and 30 for the Local Mux. Note 35, 55 & 56 are HD muxes that you will only get with an HD tuner.

For those still having problems with the new UHF channels, check other things such as poor connections on all your connectors by unplugging them, check connections and plugging in again. Also check that your aerial hasn't moved in high winds.
If you have any devices with RF outputs (such as game consoles, old video players, sky boxes etc) make sure they aren't set to any of the new channels. Try a channel above 56.

If you are still having trouble getting all the muxes tuned in on some devices, try a complete retune with the aerial unplugged to clear all the current tunings. Then reconnect the aerial and ideally do a manual tune for the UHF channels listed above to avoid any clashes with Wenvoe signals. Some devices will allow you to choose a region after an automatic scan where you are getting more than one transmitter.

Finally, some of the information on this site is incomplete or out-of-date. Brian Butterworth (the site owner) has posted elsewhere about the mostly "final" position listings showing on a lot of transmitter pages, and this is in part due to a bug in his code, but keeping up with all the changes across the country is no mean feat. But thanks anyway to Brain Butterworth for providing and hosting the site at no cost to us.


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Chris.SE's 2,439 posts GB
C
Chris.SE
sentiment_very_satisfiedPlatinum

9:28 AM

Another link I forgot to include in my last post Digital UK | Channel listings which is where you should get an up-to-date list of which channels are on which multiplex. You can order the list by LCN, Mux etc by clicking on the heading of the column.

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Chris.SE's 2,439 posts GB
D
Dean
10:28 AM

I'm wondering when tuning in my TV it tells me I can get a good/very good signal for channels 32, 33, 34, 48 but only poor/no signal for channel 36 and hence no picture for it. It was fine before the move to 36.
Bristol BS8.

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Dean's 1 post GB
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