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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 06/12/2021 Screen may go black 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, 25 ITV4, 30 E4 +1, 35 ITV +1 (West),

PSB3
BBCB
 H max
C35 (586.0MHz)591mDTG-6100,000W
Channel icons
73 Shopping Quarter , 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, 204 CBBC HD, plus 1 others

COM4
SDN
 H max
C48 (690.0MHz)591mDTG-8100,000W
Channel icons
 CCXTV, 12 Quest, 20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 42 GREAT! movies action, 45 Channel 5 +1, 56 5SELECT, 58 ITVBe +1, 59 ITV3 +1, 60 ITV4 +1, 64 Blaze, 67 CBS Reality, 68 Horror Channel, 74 Drama +1, 78 TCC, 81 Blaze +1, 203 CITV, 211 Ketchup TV, 212 YAAAS!, plus 16 others

COM5
ArqA
 H max
C33 (570.0MHz)591mDTG-8100,000W
Channel icons
11 Sky Arts, 17 Really, 19 Dave, 31 4Music, 36 pick, 40 Quest Red, 43 Food Network, 46 Film4 +1, 47 Challenge, 48 4seven, 57 Smithsonian Channel, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 9 others

COM6
ArqB
 H max
C36 (594.0MHz)591mDTG-8100,000W
Channel icons
25 Dave ja vu, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 41 CBS Justice, 44 HGTV, 68 CBS Drama, 82 Talking Pictures TV, 84 PBS America, 234 RT, 235 Aljazeera English, plus 17 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
 Together TV +1,  Merit,  Court TV, 65 FreeSports, 71 Quest Red +1, 76 Now 70s, 86 More4 +1, 87 PBS America +1, 91 That's TV , 96 Forces TV, 106 BBC Four HD, 107 BBC News HD, 113 RT HD, 114 Quest HD, 205 CBeebies HD, plus 2 others

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?

1984-971997-981998-20102010-1327 Mar 132013-1727 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 - 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
Thursday, 14 June 2012
L
Lordgeous
sentiment_satisfiedBronze

10:15 PM
Bath

Thanks again JB38. Yes I also have a fairly sophisticated satellite set up (large motorised dish, HD receiver, PVR etc) which I've been resorting to recently - a better picture too in my view! I work with digital audio but digital picture technology is pretty much an unknown area for me.

Can I just say what a relief it was to discover this site and be able to share information and benefit from your expertise - is it a labour of love for you? (Not my business I know).

Regarding my issues, the main mystery for me is why its all been OK until recently? I've spoken to quite a few other local residents (on Mendip) and I think without exception they all suffer from SOME reception problem. As far as I know no-one's planted a huge tree or built some obstruction between Bath & Wells! I might just ask the local TV shops if they know anything but for now I'm happy to have reasonable reception. Fingers crossed!

Thanks again.

link to this comment
Lordgeous's 25 posts GB
L
Lordgeous
sentiment_satisfiedBronze

10:18 PM
Bath

PS I meant to include as a "mystery" why only certain channels are effected. BBC 1, 2, 3, 4, etc always fine, ITV1,2,cha 4, 5 etc have been intermittent.

link to this comment
Lordgeous's 25 posts GB
Friday, 15 June 2012
B
Bernie
8:56 AM
Bristol

Hi, up until recently we have had good Freeview reception. Postcode is BS30 9PZ and we receive from Mendip. Now we get intermittent problems with channels on the BBC Mux - picture breaks and goes completely (no signal) then comes back etc. If it is weather or trees then I don't understand why other Mux channels are not affected. We have a reasonable roof aerial (albeit old). Strangely my Toshiba (upstairs) works fine just on an indoor aerial. Makes no sense to me - hope you can advise.

link to this comment
Bernie's 2 posts US
Monday, 25 June 2012
C
Chris.SE
sentiment_satisfiedSilver

8:29 AM

What sort of signal strength (& quality) does your receiver indicate for each Mux?

link to this comment
Chris.SE's 251 posts GB
Tuesday, 26 June 2012
D
Duncs
9:00 PM
Sutton

Unfortunately, since the 'final' switchover, I no longer have the red button on BBC1 on my Philips 32PFL 5522D/05. My postcode is SM2 7NT and I'm tuned to 'London'. The software in the set is : IdtvZapper_HW261.256_SW2.7.77

I have tried both rescanning for new channels and a 'factory settings' reset followed by a new scan .. all to no avail.

Do I have the latest software version ? If not, how do I upgrade the software ?

TIA

PS : I also have a 'cheap and cheerful' Grundig Freeview box connected to the same aerial and the red button is present !

link to this comment
Duncs's 1 post GB
M
Mark Fletcher
sentiment_satisfiedGold

10:58 PM
Lytham St. Annes

Bernie,Bristol.
I would look up "Single frequency interference" as a likely cause.


link to this comment
Mark Fletcher's 673 posts GB
Wednesday, 27 June 2012
L
Lordgeous
sentiment_satisfiedBronze

1:43 PM
Bath

SORTED! Finally decided to get the professionals in and it turned out my distribution amp had failed! Last thing I thought of as some channels still had a strong signal, but now I realise that weaker channels were borderline and were'nt making it. A few minutes with a signal strength meter made this apparent. This explains why all was well until a few weeks ago which is when it must have gone up the spout! JOY! Can strongly recommend local ariel guy (if I'm allowed to post their details on here).

link to this comment
Lordgeous's 25 posts GB
Friday, 29 June 2012
B
Ben Ward
sentiment_satisfiedBronze

6:14 PM
Melksham

Ben Ward: jb38 I have been away and only seen your informative postings today. I will get back on to this tomorrow!

Thanks again.

link to this comment
Ben Ward's 28 posts GB
Saturday, 30 June 2012
J
jb38
sentiment_very_satisfiedPlatinum

6:25 PM

Ben Ward: OK! and will keep a look out for any posting you might make, although the main thing for you to check is whether or not the Humax has its aerial power facility disabled, because if it has then that points towards the problem being with the Panasonic TV.

link to this comment
jb38's 7,179 posts GB
Sunday, 1 July 2012
B
Ben Ward
sentiment_satisfiedBronze

10:08 PM
Melksham

Ben Ward: Lordgeous, it might be very handy for me anyway if you could post the details of your local ariel guy in case I needed to call on him. Not sure if that's allowed on here, and there doesn't seem to be a PM system.

Thanks.

link to this comment
Ben Ward's 28 posts GB
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Your comment please
Please post a question, answer or commentIf you have Freeview reception problems before posting a question your must first do this Freeview reset procedure then see: Freeview reception has changed, Single frequency interference, and Freeview intermittent interference.

If you have no satellite signal, see Sky Digibox says 'No Signal' or 'Technical fault'

If you have other problems, please provide a full (not partial) postcode (or preferably enter it in box at the top right) and indicate where if aerial is on the roof, in the loft or elsewhere.

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