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.
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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?
![regional news image](/styles/images/regionalnews/302x152/itv-west-west.jpg)
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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Saturday, 12 August 2017
Monday, 4 September 2017
M
MikeB7:55 PM
Peterborough
Luke: But apparently its working fine, if you look at the top of the page - check your system.
link to this comment |
MikeB's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Tuesday, 12 September 2017
I
Iain Davies12:18 AM
I live to the south of Mendip, until last Friday the local mux on CH 51 was non existant but now there is 100% signal and 100% quality. Has the mux on CH 51 been put on the main aerial?
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S
StevensOnln110:22 AM
Iain Davies: I doubt the local mux has been moved to the main aerial as it would cause massive interference with the Cardiff local mux which is also broadcast on C51 from Wenvoe, which has large areas of overlap with the main muxes from Mendip.
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MikeP
10:24 AM
10:24 AM
Ian Davis:
There has not been any engineering work reported at Mendip so there has been no known change to the aerial usage.
100% signal strength is too much. What is it like on the other multiplexes? You ideally need between 60% and 85% for good reliable reception, any more and there is a high risk of break-up and the strength should be reduced by using an attenuator or turning down the gain of any amplifier fitted in the aerial cable.
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I
Iain Davies8:06 PM
Something has happened, as from zero % age to 100%. This shows on the signal meters on my Panasonic blu-ray recorder and Humax HD hard drive box. I used to live to the north of Mendip but now living south as I said until last Friday the signal was nil!
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Wednesday, 20 September 2017
I
Iain Davies1:23 PM
Strange one here, signal dropped a lot only get CH 51 on outdoor Mendip aerial now. Was able until the other day get it via the back of a Stockland Hill aerial, now no signal!!!
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Thursday, 21 September 2017
MikeP
4:14 PM
4:14 PM
Ian Davies:
From what you report it very much sounds as if you have problems with your aerial or the cables connecting it to the TV set. Please carefully check all the connections and ensure thatbthere is no visible damage to the cables. then unplug all aerial onnections and plug them back in (that is to ensure there is no oxidation of the contacts, which often causes the problems you report. Then check the signal strengths of all the multiplexes broadcast from Mendip, they should be no less that 50% for the SD services and no less than 60% for the HD services. None of them should be more that 85%, if they are then that will also cause the problems you report.
Finally, please enter you full post code so thet we contributors can check what the signal transmission and reception conditions are at your exact location.
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Friday, 22 September 2017
I
Iain Davies5:58 AM
MikeP nope nothing wrong with my aerial system, brand new just installed by me. I have installed 1000s of aerial systems with no problems, from the North of Scotland where there was hardley any signal to places you could get perfect reception on a two inch nail!
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