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 25/09/2023 Pixelation or flickering on some or all channels 
_______
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
|
|
Tuesday, 8 October 2013
H
HoodedOracle8:04 PM
I spoke too soon - signal all gone again!
Let's hope that the new aerial being fitted tomorrow will rectify our issues.
I wonder about all the mobile transmitters around our house (some quite close) and whether they are interfering with the digital signal?
| link to this comment |
M
MikeB8:17 PM
HoodedOracle: Blaming 3/4G is a bit of a favourite, although almost certain unfairly.
It sounds like you've got old coax which sometimes works, and sometimes doesn't. Let us know if things improve.
BTW - I just noticed on one of your previous posts that 'Though my neighbours are also having signal issues - but it is likely because they are using boosters - they have taken the boosters out and seem to have better signal now? '. Yep! Your 25km from the transmitter, which is fairly close when you consider how power levels have gone up.
| link to this comment |
Wednesday, 16 October 2013
A
Andrew9:01 PM
Hello, We seem to have lost loads of tv channels, including Dave, Dave +1 and E4+1. It says when scanning for channels there is only 60 available, but ive also noticed that we have lost the ability to pick up the correct areas news program. we now get spotlight wheras it should be points west
is there any advice??
We live in BS232NG area if this helps
| link to this comment |
Sunday, 27 October 2013
G
Gareth Rhys2:10 PM
FreeView Signal worse since Apr retune. Also had Freesat for main TV (dual tuner).
We have a frequently poor signal on BBCA mux ch49 since it moved freq., but also on all the channels above 700Mhz (Ch52, Ch54, Ch56). Location Stroud top of hills GL6 8.
We have a Labgear 16.5dB high-gain wideband (future proof for Mendip change) aerial installed, and then dual screened satellite quality cable /F-Connectors to internal distribution amp, feeding dual screened cable to multiple televisions 3xPanasonic / 1xSony all seeing the same quality level issue (drops and then rises again) and breakup. The signal strength is middle and drops occasionally, with a concurrent drop in quality. It is poorer still with windy/wet weather. Have considered buying a 4G 800Mhz filter, but no 4G here yet (only in Bristol?).
Got better before analogy switch off when I removed the masthead booster from circuit.
Have tried full reset/retune of TV's.
Have tried replacing dist amp with simple splitter
What next ??
| link to this comment |
Monday, 28 October 2013
Gareth: have you tried connecting the aerial lead directly to one of the tv's (with an f to f coupler) and seeing what the strength and quality are like then? i'm not a fan of any labgear product really but have you ruled out the aerial?
| link to this comment |
Andrew's: mapA's Freeview map terrainA's terrain plot wavesA's frequency data A's Freeview Detailed Coverage
K
K.M.Riley7:57 AM
Andrew: my TV reception has failed and went down last night, 27th. Oct. I view through a Humax Video Recorder. On selecting a given station, the TV Screen brings up detail of the programme I should be watching but then details "No or bad signal". Any ideas on what has gone wrong?
| link to this comment |
M
MikeB1:03 PM
K.M.Riley: You havn't included a postcode, but I'd guess that if you have a roof top aerial, then last nights storm might well have loosened or broken the cable from the aerial. Try following the connection back from the Humax through to the aerial. If its on the roof, you might well need a professional, who might be pretty busy for the next week!
| link to this comment |
M
MikeB1:23 PM
Gareth Rhys: Your postcode is a bit difficult to pin down for a terrain plot, but a generic one does bring up a decent signal on the tradeview (even though Mendip is 64km away), which is supported by the fact that your on a hill, and that your signal was improved by the removal of your booster.
4G is unlikely, since you have no booster (ok - the aerial does boost, but still...), and you seem to get a pretty good signal. Personally, I suspect that most '4G' problems are actually something else anyway.
You've good good cabling, good connectors, etc, and Panasonic/Sony have good sensitive tuners. Its true that three TV's might lead to a drop in signal strength to each one, but I suspect the problem is more than that.
However, there is one thing that immediately stands out - ' The signal strength is middle and drops occasionally, with a concurrent drop in quality. It is poorer still with windy/wet weather.'
'Poorer still with windy/wet weather' - it sounds like you have a problem with the connection between the aerial and the tv, and its very possible that its the result of a loose connection, corroded or waterlogged coax, etc.Since its all three TV's, its above the splitter.
You might need a pro to examine the parts on the roof, but at least study the cabling you can see.
Let us know what happens, and if you can put you full postcode on any future comment, we can see the exact terrain plot.
| link to this comment |
Thursday, 31 October 2013
E
EL10:25 PM
Re Gareth, you sound from the postcode like you're round the corner from my parents, who have generally had better Freeview reception from Mendip than I do here in Bristol, so for Mike B I'd tend to trust the generic signal forecast. Unfortunately my phone's just gone down, so I can't ask them if they've had Freeview issues recently. I note that they didn't seem to have much storm impact this week, but all the rain could have got into cabling.
| link to this comment |
Saturday, 2 November 2013
Andrew Brown
12:34 AM
12:34 AM
KM Riley do you have a booster of any kind in your system?
| link to this comment |
Select more comments
Your comment please