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Full Freeview on the Mendip (Somerset, England) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.237,-2.626 or 51°14'12"N 2°37'33"Wsa_postcodeBA5 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 19/09/2022 Pixelation or flickering on some or all channels Digital tick


Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name
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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.

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 H max
C32 (562.0MHz)591mDTG-3100,000W
Channel icons
1 BBC One (SD) West, 2 BBC Two England, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 16 others

PSB2
D3+4
 H max
C34 (578.0MHz)591mDTG-3100,000W
Channel icons
3 ITV (SD) (West), 4 Channel 4 (SD) South ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 30 E4 +1, 35 ITV +1 (West),

PSB3
BBCB
 H max
C35 (586.0MHz)591mDTG-6100,000W
Channel icons
56 5SELECT, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 109 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

COM4
SDN
 H max
C48 (690.0MHz)591mDTG-8100,000W
Channel icons
12 Quest, 20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 41 Legend, 42 GREAT! movies action, 46 Channel 5 +1, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 74 Dave ja vu, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 203 CITV, 208 POP MAX, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 15 others

COM5
ArqA
 H max
C33 (570.0MHz)591mDTG-8100,000W
Channel icons
11 Sky Arts, 17 Really, 19 Dave, 31 E4 Extra, 36 pick, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 57 Smithsonian Channel, 60 Drama +1, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 8 others

COM6
ArqB
 H max
C36 (594.0MHz)591mDTG-8100,000W
Channel icons
 FreeSports, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 71 Quest Red +1, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 88 Classic Hits, 235 Aljazeera English, plus 19 others

LBS
 H -10dB
C51 (714.0MHz)591mDTG-1210,000W
Channel icons
from 22nd September 2014: 7 Made in Bristol,

com7
 H -1.4dB
C55 (746.0MHz)591mDTG-672,400W
Channel icons


DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
DTG-8 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
BBC Points West 0.9m homes 3.4%
from Bristol BS8 2LR, 25km north (3°)
to BBC West region - 60 masts.
regional news image
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?

CheddarTransposer15 km E Weston-super-Mare1674 homes
LuccombeActive deflector6 km w Minehead38 homes

How will the Mendip (Somerset, England) transmission frequencies change over time?

1984-971997-981998-20102010-132013-182013-1727 Feb 2018
C/D EEEC/D EC/D E TW TW T
C30_local
C32BBCA
C33com7com7
C34D3+4
C35com8com8
C36ArqB
C37C5wavesC5waves
C48SDNSDNSDNSDN
C49tv_off BBCABBCA
C51tv_offLBSLBS
C52tv_offArqBArqBArqB
C54tv_offC4wavesC4wavesC4wavesD3+4D3+4D3+4
C55tv_offcom7tv_off
C56tv_offArqAArqAArqACOM8tv_off
C58tv_offBBC1wavesBBC1wavesBBC1wavesBBCBBBCBBBCB
C61ITVwavesITVwavesITVwavesBBCA
C64BBC2wavesBBC2wavesBBC2waves

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

Jan 1958-Jul 1968Television Wales and the West
Jul 1968-Feb 2004Harlech Television
Feb 2004-Dec 2014ITV plc
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV Daybreak•
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Mendip was not an original Channel 3 VHF 405-line mast: the historical information shown is the details of the company responsible for the transmitter when it began transmitting Channel 3.

Comments
Monday, 1 April 2013
J
John Crabb
8:17 AM
Chard

jb38 and KMJ,Derby: Thanks for those interesting points. I do not actually know how many people in Taunton and Wellington have been affected. If it is only a very small percentage of the total then it seems to me that they could well have been the ones operating just on the margin of adequate signal level. In my own case I have an old Yagi aerial of the correct group but the plot for it shows much decreased sensitivity at lower channels within the band.

I already have an HDMI cable. The problem seems to be with the RF cable passing the aerial signal from HDD to TV. Careful rerouting does seem to make a difference.

link to this comment
John Crabb's 10 posts GB
M
mark
3:21 PM

Yes, John Crabb, I have no doubt that we could all solve our problems by fiddling about with bits of wire, reconnections, etc., and buying ourselves new kit. But it doesn't alter the fact that if the problem was not there before 27th and is now, then it resulted from the transmission change. Local conditions or equipment may have predisposed my set to this but that is not the issue. If I have to go out and buy a new aerial then I shall be sending the bill to Arqiba.

And yes,there are lots of people in this street who have had no problems at all. But there are also people in their eighties who haven't a clue about these things. After a week or so of frustration and grumbling they'll be paying for the local telly shop to come round and sort them out. This costs a hundred or so. Not on. Many of them, of course, will just give up on the TV altogether. Frankly, that seems more than a bit hard.

link to this comment
mark's 3 posts GB
J
John Crabb
4:54 PM
Chard

Mark: I don't really disagree with any of your points. I was just discussing practical ways forward for those who feel able to engage with the issues. I am not taking Arqiba's part in this, but as they were presumably directed to clear channel 61 to make room for 4G, I doubt there is much else that they can do about it now. It would be nice if they could improve things but I actually think that in practice we will have to do all the fiddling, or pay someone else to do it for us. I don't like that any more than you do.

link to this comment
John Crabb's 10 posts GB
Mike
5:39 PM
Cinderford

So following John's point, what rights (if any) do we have? We have two receivers that work just fine and one that does not. There must be lots of people in the same position or worse wondering why they cannot get BBC tv (or Radio as I have found). My neighbour has the same issue. Since the Government presumably made some money out of introducing 4G, perhaps they might like to help.

link to this comment
Mike's 8 posts GB
A
Andy
6:05 PM

Since the retune we have had no BBC coverage. We are near Langport. Anyone else near here having problems too?

link to this comment
Andy's 7 posts GB
G
Geoff
9:36 PM

I'm in Chippenham too, and have also been without BBC channels since the retune. I have a combination of Samsung and Panasonic equipment. I have done a factory reset on the TV with no change.

Are we simply to expect that this is how things will be? It's a bit galling to see "This transmitter has no reported problems" at the top of this page, the powers that be clearly aren't reading anything below it.

link to this comment
Geoff's 2 posts GB
G
Geoff
11:17 PM

Well you guys are the best. Having vented my frustration, I read the previous posts in more detail and have resolved my issue.

In my case it was being caused by an old freeview box that I hadn't disconnected inhibiting the passing of the BBC A channel. I've now taken I out and all is well. I should have done it when I installed the Freeview TV that made the old box redundant but there was a Rugby match coming up and I was in a hurry...

It may be that changing the output of the old box would also have done the trick but as I didn't need it at all, I didn't explore the option.

link to this comment
Geoff's 2 posts GB
Tuesday, 2 April 2013
B
bsk
1:07 AM
Bristol

I've had no access to BBC and whatever is on that 698 Mhz chl - for most of them I'm getting 0% strength but 40% qual. I'm using EyeTv so it is so hard to try to bring any suggestions on this board to any useful conclusion on my Mac.

link to this comment
bsk's 1 post GB
Mike
8:35 AM
Cinderford

In response to bsk, I also use EyeTV on a Mac. I have found it crashes quote a lot at the moment (a problem I never used to have) and when it does, it seems to go back to the old channel settings. If I do a complete and full re-scan of the channel list I am now getting BBC progs again. There is probably an old and buried file list I need to throw away. It is still annoying.

However my neighbour has a Ferguson F1603LVD2 tv that won't pick up the BBC channels either. Does anyone know how to do a factory reset on that?


link to this comment
Mike's 8 posts GB
D
Dave
9:32 AM
Swindon

Im in Swindon have had no BBC channels on either freeview or my BT vision box. Do we think this will be sorted today?

link to this comment
Dave's 2 posts GB
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