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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 04/11/2024 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-100,000W
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, plus 17 others

PSB2
D3+4
 H max
C34 (578.0MHz)591mDTG-100,000W
Channel icons
3 ITV 1 (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, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (West), 71 That’s 60s,

PSB3
BBCB
 H max
C35 (586.0MHz)591mDTG-100,000W
Channel icons
46 5SELECT, 101 BBC One HD West, 102 BBC Two HD England, 103 ITV 1 HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 107 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

COM4
SDN
 H max
C48 (690.0MHz)591mDTG-8100,000W
Channel icons
20 U&Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 U&Dave ja vu, 58 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 81 Blaze +1, 83 Together TV, 91 WildEarth, 93 ITVBe +1, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 251 Al Jazeera English, 255 FRANCE 24 (in English), 265 Rok Sky +1, plus 29 others

COM5
ArqA
 H max
C33 (570.0MHz)591mDTG-8100,000W
Channel icons
11 Sky Mix, 17 Really, 19 U&Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 U&Drama +1, 65 That's TV 2, 70 Quest +1, 74 &UYesterday +1, 76 That's TV 2 MCR, 233 Sky News, plus 13 others

COM6
ArqB
 H max
C36 (594.0MHz)591mDTG-8100,000W
Channel icons
12 Quest, 25 U&W, 27 U&Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 63 GREAT! romance mix, 73 HobbyMaker, 75 That's 90s, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 others

LBS
 H -10dB
C30 (546.0MHz)591mDTG-1210,000W
Channel icons
from 22nd September 2014: 7 Made in Bristol,

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
Tuesday, 30 July 2013
MikeP
sentiment_very_satisfiedPlatinum

4:35 PM

I used to live in Sywell Road, Coleview and had almost equal signal strengths from both Mendip and Oxford transmitters. A lot depends on where you are as the lumps and bumps can make a considerable difference. Parts of West Swindon are unlikely to get good reception because of the Old Town hill shielding but some areas further north may have better reception. In the Stratton and Blunsdon areas you may be better off as long as you are not on the side of a hill sloping away from Oxford. Note that Oxford carries South Midlands programming and Mendip carries BBC West/HTV West.

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MikeP's 3,056 posts GB flag
Wednesday, 7 August 2013
M
Mike
sentiment_satisfiedBronze

8:35 AM

Tried manual retune for True Entertainment on channel 52 as shown, no channel. A full retune shows the West channel for this is Mux 48,

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Mike's 29 posts GB flag
P
pete green
sentiment_satisfiedBronze

8:01 PM
Weston-super-mare

Mike

It is on channel 61 on SDN channel 48.

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pete green's 54 posts GB flag
pete's: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
Thursday, 8 August 2013
A
anthony tucker
6:46 PM

Hello,I live in Yeovil and can only receive a couple of tv channels the rest are scrambled,i have tried a reset on my you view box to no avail and even when i plug the aerial into the tv direct it only tunes into a couple of channels,all was well at midday but nothing at 5.30,i have checked all cable and connections with no problems found,is there a transmitter fault? thanks

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anthony tucker's 1 post GB flag
J
jb38
sentiment_very_satisfiedPlatinum

8:42 PM

anthony tucker: Although this type of query should really be accompanied with a post code or one from nearby e.g: a shop / Post Office, however using Yeovil Post Office as a test code nothing is seen reported as far as any problems are concerned with either the Stockland Hill or Mendip's TV transmitters, although Mendip's DAB radio was off air for a short time today from 13.33 to 13.49.

You should check with a neighbour to find out if they are also experiencing similar problems to yourself, as if they were then you can eliminate your own installation as being responsible for the problem.

Please note though, that should you decide to check elsewhere then have a look up at the direction the other persons aerial is facing just in case its not the same way as yours, Stockland Hill being 246 degrees and Mendip 1 degree, based of course on the location of Yeovil Post office and not wherever you might reside.

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jb38's 7,179 posts GB flag
Tuesday, 13 August 2013
L
Lionel Lewis
7:16 PM
Cardiff

WE have two roof aerials, one pointed towards Wenvoe, Cardiff (reception strength 10)the other to The Mendips (reception strength 8). Until about a week ago we have been able to view Freeview programmes from either transmitter but cannot now view, for example, BBC 1 West on Mendips (ITV 1 West is ok). If I have read the earlier advice on this site correctly BBC1 West is transmitted on BBCA Channel 49. I have reset/set up all channels two or three times on both my TV and Humax PVR and noticed that while tuning is in progress Channel 45 is followed by C54 (ie no channel 49). I apologise in advance if I have overlooked anything obvious in the guidance/instructions above but would appreciate any advice about what to do next. Many thanks

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Lionel Lewis's 4 posts GB flag
Lionel's: mapL's Freeview map terrainL's terrain plot wavesL's frequency data L's Freeview Detailed Coverage
Wednesday, 14 August 2013
Dave Lindsay
sentiment_very_satisfiedPlatinum

12:43 PM

Lionel Lewis: If the feeds for these aerials combine using a diplexer then maybe it is that which means that your Wenvoe aerial is being used to pick up C49 from Mendip.

On 27th March Mendip's PSB1 (BBC One etc) multiplex moved to C49. Whilst COM4 (ITV3 etc) is now on C48 (it moved at the same time) you should be able to receive this from Wenvoe.

A diplexer "splits" at one particular channel. For Mendip and Wenvoe a split at C51 would have allowed all channels to be view - up until 27th March. This was because all of Wenvoe's channels were below C51 (and still are) and all of Mendip's were above C51.

Online TV Splitters, Amps & Diplexers sales

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Dave Lindsay's 5,724 posts GB flag
L
Lionel Lewis
3:58 PM

Hi Dave.
Many thanks for the quick reply and detailed advice. Since the problem only surfaced about a week ago (according to my wife) but I can't be sure does this contradict your reference to the changes that occurred on 27 March this year?
Thanks again
Lionel

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Lionel Lewis's 4 posts GB flag
Thursday, 15 August 2013
L
Lionel lewis
1:51 PM

Further to my last post yesterday I have now done a manual search on Channel 49 on my Humax PVR9300T and have succeeded in locating the 'missing' Mendip channels. However, my six-year old Panasonic TX-26LMD70A has been unable to find a signal on channel 49.
I am not too concerned about this as we can use the PVR. I should have delved more thoroughly before asking for advice on this forum. I am grateful to Dave Lindsay whose advice helped to put me on the right track.

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Lionel lewis's 4 posts GB flag
M
Michael
sentiment_satisfiedGold

1:55 PM

Lionel lewis: Where does your aerial go into first - the box or the TV? If the box, then try connecting it to the TV instead and then manual tuning 49, to see if that makes any difference.

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Michael's 358 posts GB flag
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