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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
Monday, 28 October 2013
K
K.M.Riley
7:57 AM

Andrew: my TV reception has failed and went down last night, 27th. Oct. I view through a Humax Video Recorder. On selecting a given station, the TV Screen brings up detail of the programme I should be watching but then details "No or bad signal". Any ideas on what has gone wrong?

link to this comment
K.M.Riley's 1 post GB flag
M
MikeB
sentiment_very_satisfiedPlatinum

1:03 PM

K.M.Riley: You havn't included a postcode, but I'd guess that if you have a roof top aerial, then last nights storm might well have loosened or broken the cable from the aerial. Try following the connection back from the Humax through to the aerial. If its on the roof, you might well need a professional, who might be pretty busy for the next week!

link to this comment
MikeB's 2,579 posts GB flag
M
MikeB
sentiment_very_satisfiedPlatinum

1:23 PM

Gareth Rhys: Your postcode is a bit difficult to pin down for a terrain plot, but a generic one does bring up a decent signal on the tradeview (even though Mendip is 64km away), which is supported by the fact that your on a hill, and that your signal was improved by the removal of your booster.

4G is unlikely, since you have no booster (ok - the aerial does boost, but still...), and you seem to get a pretty good signal. Personally, I suspect that most '4G' problems are actually something else anyway.

You've good good cabling, good connectors, etc, and Panasonic/Sony have good sensitive tuners. Its true that three TV's might lead to a drop in signal strength to each one, but I suspect the problem is more than that.

However, there is one thing that immediately stands out - ' The signal strength is middle and drops occasionally, with a concurrent drop in quality. It is poorer still with windy/wet weather.'

'Poorer still with windy/wet weather' - it sounds like you have a problem with the connection between the aerial and the tv, and its very possible that its the result of a loose connection, corroded or waterlogged coax, etc.Since its all three TV's, its above the splitter.

You might need a pro to examine the parts on the roof, but at least study the cabling you can see.

Let us know what happens, and if you can put you full postcode on any future comment, we can see the exact terrain plot.


link to this comment
MikeB's 2,579 posts GB flag
Thursday, 31 October 2013
E
EL
sentiment_satisfiedBronze

10:25 PM

Re Gareth, you sound from the postcode like you're round the corner from my parents, who have generally had better Freeview reception from Mendip than I do here in Bristol, so for Mike B I'd tend to trust the generic signal forecast. Unfortunately my phone's just gone down, so I can't ask them if they've had Freeview issues recently. I note that they didn't seem to have much storm impact this week, but all the rain could have got into cabling.

link to this comment
EL's 23 posts GB flag
Saturday, 2 November 2013
Andrew Brown
sentiment_satisfiedBronze

12:34 AM

KM Riley do you have a booster of any kind in your system?

link to this comment
Andrew Brown's 57 posts GB flag
Wednesday, 20 November 2013
J
John Davies
9:21 PM

Hi, I'm at ba22 & i have lost ITV 1, Channels 4 & 5 & ITV 2, ie 3,4,5,& 6 on television on both televisions it used to work fine but then started going wrong now i can't get them at all. Have tried resetting back to factory settings no good tv is built in freeview panasonic 32inch. I have loft aerial as where we are in North Cdbury not allowed outside aerial anmy thoughts please.

link to this comment
John Davies's 1 post GB flag
Saturday, 21 December 2013
S
s park
9:24 AM
Bristol

bs35 2dp

aerial on roof no service since 7pm on 20/12

link to this comment
s park's 1 post GB flag
s's: mapS's Freeview map terrainS's terrain plot wavesS's frequency data S's Freeview Detailed Coverage
Sunday, 22 December 2013
A
Andy
2:54 PM
Westbury

Lost BBC services last few days no signal. Nothing changed in house loft aerial. BA13 2GR

link to this comment
Andy's 1 post GB flag
Andy's: mapA's Freeview map terrainA's terrain plot wavesA's frequency data A's Freeview Detailed Coverage
Thursday, 2 January 2014
D
Dsrius
11:29 AM
Bristol

Hi there ,i can't understand couple weeks ago we have had all channels and then change only (sometimes) receiving good signal all C54 nothing else about 25 channels ,just wonder whats happend?
Bristol BS6 6XX

link to this comment
Dsrius's 1 post GB flag
Dsrius's: mapD's Freeview map terrainD's terrain plot wavesD's frequency data D's Freeview Detailed Coverage
Sunday, 5 January 2014
R
Richard Hibberd
sentiment_satisfiedBronze

9:48 AM

Does anybody have any idea when I will be able to get the rest of the freeview HD channels in Chippenham. I've only got 2 extra so far, BBC 3 HD and CBBC HD. Really looking forward to BBC 4 HD.

link to this comment
Richard Hibberd's 30 posts GB flag
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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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