Full Freeview on the Mendip (Somerset, England) transmitter
 | Google Streetview |  | Google map |  | Bing map |  | Google Earth |  | 51.237,-2.626 or 51°14'12"N 2°37'33"W |  | BA5 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 11/11/2024 Pixelation or flickering on some or all channels 
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Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
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 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.
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?
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?
| Cheddar | Transposer | 15 km E Weston-super-Mare | 1674 homes |
| Luccombe | Active deflector | 6 km w Minehead | 38 homes |
How will the Mendip (Somerset, England) transmission frequencies change over time?
| 1984-97 | 1997-98 | 1998-2010 | 2010-13 | 2013-18 | 2013-17 | 27 Feb 2018 | |||
| C/D E | E | E | C/D E | C/D E T | W T | W T | |||
| C30 | _local | ||||||||
| C32 | BBCA | ||||||||
| C33 | com7 | com7 | |||||||
| C34 | D3+4 | ||||||||
| C35 | com8 | com8 | |||||||
| C36 | ArqB | ||||||||
| C37 | C5waves | C5waves | |||||||
| C48 | SDN | SDN | SDN | SDN | |||||
| C49tv_off | BBCA | BBCA | |||||||
| C51tv_off | LBS | LBS | |||||||
| C52tv_off | ArqB | ArqB | ArqB | ||||||
| C54tv_off | C4waves | C4waves | C4waves | D3+4 | D3+4 | D3+4 | |||
| C55tv_off | com7tv_off | ||||||||
| C56tv_off | ArqA | ArqA | ArqA | COM8tv_off | |||||
| C58tv_off | BBC1waves | BBC1waves | BBC1waves | BBCB | BBCB | BBCB | |||
| C61 | ITVwaves | ITVwaves | ITVwaves | BBCA | |||||
| C64 | BBC2waves | BBC2waves | BBC2waves |
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
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Thursday, 19 May 2016
C
Chris.SE7:55 AM
Salisbury
David: Have you noticed any degradation at all in the signal/quality for the main HD channels (BBC B mux) - BBC, ITV etc? This is on C58 from Mendip.
Sky News etc is on the Arq A (Com5) mux on C56. If you are also seeing some degradation of those HD channels, then I'd start suspecting some issues with damp/water in the aerial connections or the coax which will start affecting the higher frequency channels first.
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Chris.SE's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
D
David10:23 AM
Thanks Chris, all HD channels have strong signal. MikeP, I have some signal attenuators which I'll try again. Thankyou.
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T
Tim5:25 PM
David, there is an outside chance you are seeing co-channel interference from the Huntshaw Cross transmitter, which reuses UHF channels 52 and 56, the ones you are having problems with. The transmitter is more or less behind Mendip from your location though much more distant. You may be able to confirm this by getting your equipment into a portable state and testing it from a location where Huntshaw Cross is not in the frame to see if it behaves the same. Neighbours are likely to be suffering the same issue.
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Friday, 20 May 2016
A
alan swinburne6:54 AM
This Morning (Friday 20th April) at 6:30 am:
All the PSB2 MUX (ITV) channels have suddenly disappeared from the freeview box and yet there is no planned maintenance from the Mendip transmitter page.
Anyboby else have this problem?
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Wednesday, 25 May 2016
D
Dave3:19 PM
Used to get Dave and Challenge (Freeview 12 and 46) very well until recently. No signal the last few days. Post code TA24 near Williton .
Not a techie, so any ideas please and anyone else experiencing this? Only the last 10 days or less. Before, it was very good.
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Sunday, 29 May 2016
G
GEM1:41 PM
I'm in Sturminster Newton and our reception on Freeview has been difficult (not available or breaking up both TV and radio) but it's usual with this weather.
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Monday, 30 May 2016
M
MikeB3:13 PM
GEM: We need a postcode to know what your signal should normally be like, but weather shouldn't normally be a factor in the breakup of your TV signal.
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Wednesday, 1 June 2016
M
Martin B2:57 PM
I cannot receive CITV on channel 122. Retuned chan 48 Com 4 but still no CITV. Get the message No Service. All other channels fine.
Does anyone know what's going on?
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Thursday, 2 June 2016
R
Richard Cooper10:53 AM
Norwich
GEM: As I mentioned in my post replying to Nick Anderson, high atmospheric pressure can indeed affect digital terrestrial television (DTT OR 'Freeview') television reception and if everything such as your aerial (type & condition), aerial alignment, aerial cable (type and length) and connectors have all been checked, and you have also carried out a 'first time installation' retune recently, then you have done all you can, and you simply have to wait until the weather changes and you have low atmospheric pressure again. If you are using the Mendip transmitter, make sure you are using a group E or a wideband aerial, horizontally polarised.Also check whether there are many 4G phone masts close to your location. If there are you may need a 4G filter. You can get them free via the at800 website. Hope the info I've provided here will help you. Richard, Norwich, 2nd June 2016.
| link to this comment |
Richard's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data R's Freeview Detailed Coverage
R
Richard Cooper11:06 AM
Norwich
Martin B: Hi Martin B. There are no faults or engineering work taking place at the Mendip transmitter at the moment and CITV is currently transmitting, "The Dawn of Morphos (Part 2), which looks very exciting! You could watch it live on the itv hub instead of getting it from Freeview. Your Freeview reception may be marred due to high atmospheric pressure, which is dominant across southern UK at present! Hope this helps, Richard, Norwich, 11:05 on Thursday 2nd June 2016.
| link to this comment |
Richard's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data R's Freeview Detailed Coverage
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