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 04/12/2023 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, 23 July 2020
B
bruce tearle1:23 PM
Hi Chris
Problem solved. It was a problem with my Freeview box. After lots of playing around have got it sorted. The 'good-woman' is not happy as she now has to fins all the programs that she had planned to watch/record!!!
Thanks again
Bruce
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C
Chris.SE1:52 PM
bruce tearle:
Whoops, let's hope she finds them all! At least the problem is solved :)
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Saturday, 1 August 2020
O
Old Giff8:31 AM
New Humax recorder signal strength in Stoke Gifford Quest HD 114 is 76% but channel sometimes drops out. What signal strength should I expect. Replaced old antenna on roof with new hi strength in loft and worked fine on my old Humax until the tuner died. So is the new Humax performing properly?
Thanks Giff
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Chris.SE3:42 PM
Old Giff:
The actual signal strength reading will vary with set/PVR/device, you should be fine with 76% for COM7. What is more important is the Quality figure which should be 100% for the greater part of the time. As long as that figure isn't dropping too low there ought not to be a problem.
Right now you should be finding things fairly stable but there is some variable intermittent "tropospheric ducting" around at present - https://www.bbc.co.uk/rec….jpg affecting different areas at different times & not all channels are necessarily affected at the same time or at all. There's likely to be some about for a couple more days but could become more variable and predictions can change.
Whilst you shouldn't have any particular reception problems in most of the Stoke Gifford area if you are still having problems now, we'd need a full postcode to look at the predicted reception at your location.
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Monday, 21 September 2020
B
bruce tearle5:41 AM
am using a humax box, can getting nothing on my tv this morning.
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N
Neil Chilton8:41 AM
I have nothing, on three different receivers,
I did have for a while BBC1 SD with good quality and signal strength, but that has stopped now
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Neil Chilton8:56 AM
Swindon
Forgot to mention post code SN26 7DE
Now BBC 1and 2 SD are back, on "C32 (562.0MHz)"
Nope, they just dropped out.
I think i'll go back to bed
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Neil's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
B
bruce tearle2:03 PM
things are back to normal, guess it must have been the atmosphere!!!!!!!!!!!!
Msg appearing on Pick indicates that there is a need to retune to ch34 but when I try this I get nothing!!
Has it moved or not?
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Tuesday, 22 September 2020
C
Chris.SE12:06 AM
Bruce Tearle:
Yes it was "atmospherics" there's been a lot of "Tropospheric Ducting" around causing interference, see Effect of tropospheric ducting on Freeview | RTIS for a simplistic explanation. It may continue on and off for a day or two more.
Pick moved to LCN34 and Sky Arts has been put at LCN11, you may need to manually retune the ArqA/COM5 multiplex if you aren't seeing the change, UHF C33 at Mendip.
Neil Chilton:
Weather related issues, see comment above.
Also note that predicted reception at your location for COMs 4-6 is variable from Mendip.
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Chris.SE12:08 AM
All:
Just to add to the above, Mendip is currently listed for Planned Engineering with "Possible weak signal" !
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