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 
_______
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
|
|
Thursday, 27 December 2012
K
K.Barrett12:19 AM
jb38: Thank you for the advice. We do suffer very windy conditions here as it is high and very exposed will this rear fix aerial safely mount - I guess I rely on my installer for advice.
Will the very directional nature prevent use of the XB22WB and why is it so hard to get it perfectly aligned?
While Mendip is obscured if my aerial was 15m above ground level then it would have line of sight so that obscuring is only slight. (Checked on megalithia.com)
Some aerials here do point at Oxford and that is far more obscured than Mendip.
| link to this comment |
J
jb3812:49 AM
K.Barrett: Well I wouldn't rely too much on these terrain predictors as they take no account whatsoever of anything other than ground level, and so a person could be located behind such Sherwood Forrest or a number of tower blocks and yet it would still indicate a clear line of site.
As far as the XB22WB is concerned, all I can say is to give it a try, but though when a person is located in a difficult reception area then the secret is to try and have an aerial with as wide an acceptance angle of pick up as possible to compensate for the inevitable deviations in the angle that the signal is received at, then make up for the slight less gain by using a booster of the rating referred to.
After all it has to be appreciated that the only reason an aerial can be classed as high gain is because that the multitude of director elements located along the boom focuses the signal on the only active part of the aerial that exists, this being the element immediately in front of the reflector, whereas with log aerials all elements are active and thats why their response across the bands is so even when compared to other types of aerials.
| link to this comment |
J
jb388:18 AM
K.Barrett: I was just reading through your various postings again and in particular the one made at 11.41pm, should it transpire that your neighbours are also suffering from similar problems to yourself then if at all possible try and check at some location outwith your immediate area, maybe even a shop or store that sells TV's and such likes, but the main point is to be able to verify if the problem only exists in your immediate locality.
That said though, as far as interference is concerned if the problem is definitely only affecting the BBC transmissions then I very much doubt if its anything connected to local interference, as in my opinion (as an engineer) I feel that it would be a bit too coincidental (although not completely impossible!) for the BBC to be involved in both cases when two separate frequencies are involved, unless that is it was actually them at fault! because I remember a case some time ago in a Northern area of Scotland where an intermittent fault existed on a relays HD transmitter for nearly a week, this being because that the problem hadn't been noticed by the fact that it wasn't a complete breakdown in transmission.
| link to this comment |
Thursday, 3 January 2013
J
Jon7:39 PM
Swindon
We seem to have lost BBC1 HD.
| link to this comment |
Jon's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
Friday, 4 January 2013
M
Me1:09 AM
Swindon
And ITV3
| link to this comment |
Me's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Saturday, 5 January 2013
R
Richard Hibberd7:33 AM
Does anybody know the exact distance that will affect my freeview reception when 4G comes on line this year? I have an O2 mast on a small industrial estate roughly 60yds from my house.Actually, I am hoping that the company who has been given the job of sorting all this out will give me a freesat dish and I can then connect to my tv which has the tuner in it already. (Chippenham).
| link to this comment |
Richard Hibberd: The "exact distance" is a function of
a) the EIRP power output of the 4G transmitter;
b) the ERP power output of your Freeview transmitter;
c) the frequencies used by the 4G mast;
d) the frequencies used by the Freeview transmitter and if these are certain numbers of channels away.
e) the angle between the Freeview transmitter and the 4G determined from your rooftop aerial's POV;
f) if a filter has been fitted.
g) which companies win the upcoming auction and which existing mobile phone sites they decide to use for the 800MHz band services.
| link to this comment |
... and, of course, if you have any 4G 800MHz-band devices in your home...
| link to this comment |
Richard Hibberd: Presumably, if a filter will work, then you will be supplied with (as I understand it) ONE filter.
| link to this comment |
B
Bob F3:32 PM
Stonehouse
Please can someone advise if one can receive Points West from Wenvo Transmitter?
I currently receive signal from Mendip to get Points West, but the predictions are that the reception will become poorer next year.
| link to this comment |
Bob's: mapB's Freeview map terrainB's terrain plot wavesB's frequency data B's Freeview Detailed Coverage
Select more comments
Your comment please