Full Freeview on the Mendip (Somerset, England) transmitter
Brian Butterworth first published this on - UK Free TV
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?
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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Tuesday, 28 November 2017
M
MikeB3:32 PM
Peter: Start by checking the connections to the back of the tv....
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M
mr wilson3:56 PM
today 28/11 3 breaks in signal on itv 2.30pm 3.15pm and again at 3.45pm ,only happened before during the afternoon no issue in evening .checked plugs and aerial . tv scan shows 98% quality. ba33js,in roof
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N
neil8:17 PM
I appear to have lost itv channel four and a few other channels. I have tried retuning turning the whole thing off and back on again and nothing on my smart tv seems to be working
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MikeP
8:19 PM
8:19 PM
Mr Wilson:
Please give a full post code so that we can examine what the reception conditions are like at your location. Secondly, please give the signal strength readings, the quality does not help at this stage.
Note that there is no reported problem at the transmitter.
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Saturday, 2 December 2017
W
wes2:49 PM
Talking Pictures is no longer on Ch 33(570Mhz) on the Mendip Xmitter. The company website says it's changed frequency to increase coverage, but does anybody know the channel group it has moved to?
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StevensOnln111:32 PM
wes: Talking Pictures has moved to COM6 (C52 from Mendip).
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Sunday, 3 December 2017
W
wes6:25 PM
StevensOnln1: Thanks! I have moved all the channels to the order that's logical to me, with all the shopping and religious channels now in the 300+ range, so a complete retune takes a long while to set up again. Retuning one channel saved loads of hassle.
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Tuesday, 5 December 2017
T
Tim Jeanes8:22 PM
Clevedon
Although I can receive SD channels I am getting "weak or no signal" message on all HAD channels. Location BS21 6SJ
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Tim's: mapT's Freeview map terrainT's terrain plot wavesT's frequency data T's Freeview Detailed Coverage
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StevensOnln111:21 PM
Tim Jeanes: You should be able to get good reception of all the HD channels from either Mendip or Wenvoe at your location. Have you checked for any loose or damaged cables or connections behind your TV? What signal strength and quality readings do you get for the SD and HD channels?
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Tuesday, 12 December 2017
C
Chris.SE4:23 AM
Tim Jeanes: Is this a recent change to your reception conditions? To confirm, are you having problems with ALL HD channels or is it just BBC1/ITV/Ch4 etc HD channels (all on BBC Mux B) or is it just BBC4/BBC News HD/QVC HD etc (all on COM7 & 8 muxes).
It may be worth checking that a "retune" has tuned to the correct UHF channels for the Mendip muxes - C58 for BBC B, C33 & C35 for the COM7 & 8 muxes.
The other consideration is the possibility that the recent high winds have moved/damaged your aerial or coax cable/connections to the aerial.
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