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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Wednesday, 12 February 2014
I
Iain Davies11:36 PM
From Mendip at the moment BonanzaBonanza is on EPG 64 Local test 1 is still on EPG 791, which should go to EPG 8 when in full service. So the question is will there be other channels on this CH 51?
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Thursday, 13 February 2014
Iain Davies: Well, giving Ofcom | Television Broadcast Licensing Update January 2014 as a guide, I would guess we're due to see "ABC Shopping" very soon!
There are two "quazi-national" channels that are being used to support Comux and the network of local stations.
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Friday, 14 February 2014
C
Charles Stuart3:19 PM
I noticed recently that Channel 5+24 started broadcasting on channel 55, that ITV4+1 is now showing on the EPG at channel 54 and Quest+1 at channel 57. I assume that this indicates that the compression technology is getting even more efficient, even within the constraints of DVB-T. (I haven't noticed any services ceasing to broadcast.) How is this being achieved and does this mean that DVB-T2 can also provide more channels because of improvements to compression technology? (51.4634,-2.5264)
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Charles Stuart10:01 PM
Seeing that Bonanza has commercials, I am of the impression that it's a permanent new channel, rather than some kind of test transmission. (51.4634,-2.5264)
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Saturday, 15 February 2014
J
Jim3:25 AM
Further to my earlier postings, Waltham (as Mendip) is now broadcasting 'BonanzaBonanza' on EPG 64 (it no longer states Local tv Test').
It was showing the usual old US programmes on Friday evening plus an hour of Teleshopping.
Comux - Local tv Test 1 (colour bars) is on 811.
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Jim: I have updated the code for the site to make it show the "quazi-national" stations provided by Comux.
Sorry it has taken so long, but the database structure needed some changes to make it possible to show the same items over local multiplexes.
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Iain Davies6:00 PM
Good, I hope Bonanza is a permanent channel as it is better than the tosh shown on some of the other channels!!!
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Charles Stuart6:25 PM
According to another site I found by chance, Bonanza Bonanza is only a temporary channel. However, I think that a channel of really old repeats could be quite welcome as a permanent addition. I've forgotten the name of the other site. It was quite weird - looked like a road number. (51.4634,-2.5264)
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I
Iain Davies11:05 PM
There is plenty of room on this channel (51) from Mendip, I wish the BBC & ITV would have channels showing really old stuff.
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