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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.

This transmitter has no current reported problems

The BBC and Digital UK report there are no faults or engineering work on the Mendip (Somerset, England) transmitter.

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

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 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, 30 E4 +1, 35 ITV1 +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 1 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
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, 12 Quest, 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
C30 (546.0MHz)591mDTG-1210,000W
Channel icons
from 22nd September 2014: 7 Made in Bristol,

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
Wednesday, 23 March 2011
M
Mr. M. Brooks
4:19 PM
Bristol

Further to my previous e-mail on the 20th March, I get a perfect picture on freeview channels 12 yesterday, and 15 film 4 in the morning up to about 9.15.from then there is a "no signal" until about 10.45 at night then the picture is perfect again. This means during daylight hours between the times above I am unable to watch these channels. Can you let me know the reason for this please

link to this comment
Mr. M. Brooks's 4 posts GB
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

4:38 PM
Reading

Mr M Brooks: If you had Freeview before switchover and didn't have problems, the signal is could now be too strong. If you have any amplifiers, remove them. If you don't have any amplifiers, consider adding an attenuator.

In January, the ArqB multiplex changed mode to increase capacity - but at the cost of needing a larger signal-to-noise ratio. This has made the coverage area smaller. However, the Digital UK predictor shows you should be well within coverage.

The ArqB multiplex will change channel and increase in power at the end of September. That may resolve the problem.

link to this comment
Mike Dimmick's 2,486 posts GB
Saturday, 26 March 2011
C
Chris Gill
7:03 PM
Bath

Hello

Your site appears to be full of technical wonders, so I hope you may be able to help.

Postcode BA2 7LW. Antenna in the attic with amplifier.

No problems receiving all necessary channels on new Sony TV.

New Humax PVR picks up the wrong BBC1 channel when using auto install. Humax techsupp gave me instructions for manual retune which has solved that but created a new problem: Dave and Dave JaVu both rubbish. Humax techsupp not responding.



link to this comment
Chris Gill's 1 post GB
Sunday, 27 March 2011
K
KMJ,Derby
sentiment_satisfiedGold

7:20 PM

Chris Gill: If you are able to receive MuxC from more than one transmitter it is likely that your PVR found a weak signal (possibly from Hannington) and stored the channels from it before the scan reached the stronger Mendip signal.You will need to do a manual tune to C56+ for MuxC in the same way that you did for Mux BBCA (C61) in order to receive the correct BBC1 region.

link to this comment
KMJ,Derby's 1,811 posts GB
Wednesday, 30 March 2011
P
Paul C
11:48 AM
Bath

HI
I am in the ba1 3rr area , just bought a humax t2 hd freeview , and new high gain 48 element aerial in loft via a booster ,to replace an old yagi roof mount.
i receive all sd channels fine , but am getting break up on the HD channels , humax is showing only 3 bars for HD channels.

I am also getting welsh HD channel along with x3 BBC hd channels,

I did a auto tune search when i got it and problems, i then noticed an Humax update, i did this and re auto tuned , and ithough this sorted the problems,

Is it possible ihave tuned into another tranmitter hence low signal strenghts for HD , maybe a welsh transmitter ?
Can i manually search , if so how ?

much appreciated as i dont know whether to take the Humax back and get a refund

Many thx

link to this comment
Paul C's 1 post GB
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

4:00 PM
Reading

Paul C: I thought that the Humax HD boxes now asked you which region you want to save.

It looks like where you are, you have a choice of three transmitters: the main West-region mast at Mendip, the main Welsh mast at Wenvoe, and the Bath relay (Freeview Light, carries only the three PSB multiplexes). You should get good or very good results from all of these.

There was no need to replace your aerial. Most of the benefit from the 'high gain' aerial (and most of them have no higher gain than an 18-element Yagi) is lost by putting it in the loft. Putting the aerial outside prevents a lot of problems with signals reflected off interior surfaces and attenuated by passing through roof tile and brick. Reflections can alter the signal's polarization too, so you pick up more spill-over from the other polarization.

A wideband aerial will cause you problems in this area, not solve them. The grouped aerial would have been picking up Mendip and rejecting Wenvoe and Bath. Bath requires a Group A aerial oriented vertically, Wenvoe needs a horizontal Group B, and Mendip a horizontal Group C/D.

Boosters generally add noise and where you are, you shouldn't need one. I'd start by disconnecting that.

link to this comment
Mike Dimmick's 2,486 posts GB
Thursday, 31 March 2011
M
Mr. M. Brooks
11:07 PM
Bristol

on wednesday 30th March a note appeared on the TV screen asking me to do a channel scan because of changes in Freeview transmission. I did this which resulted in the loss of all the Freeview channels in ARQb . Is there a reason for this? Can you help please . the aerial is on the roof. The picture and sound is perfect on all other channels. Why have I lost these channels after doing a scan as requested ? Thanks , Mike Brooks

link to this comment
Mr. M. Brooks's 4 posts GB
Friday, 1 April 2011
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

5:11 PM
Reading

Mr M Brooks: You said before you were having picture break-up on channels on this multiplex. Try retuning it after 10:45pm or before 9:15am, the times you said last week that you got a good picture.

I'm not sure why you were prompted to retune, there were no changes at this transmitter on that date. There were switchover changes at Nottingham, Waltham, and Sandy Heath and its relays, but they're right over the other side of the country.

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Mike Dimmick's 2,486 posts GB
Thursday, 7 April 2011
S Heaford
7:16 PM

Not sure if anyone else has had this problem but I have BT Vision and today my ESPN and Sky Sports channels have vanished. Any ideas why??? I have rescanned about 5 times and loads of channel have vanished.

Help would be great !!!!!! I am gutted.

link to this comment
S Heaford's 9 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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