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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, 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, 29 E4 +1, 34 ITV +1 (West),

PSB3
BBCB
 H max
C35 (586.0MHz)591mDTG-6100,000W
Channel icons
72 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, 28 ITV2 +1, 31 5STAR, 32 Paramount Network, 41 GREAT! movies action, 45 Channel 5 +1, 55 5SELECT, 57 ITVBe +1, 58 ITV3 +1, 59 ITV4 +1, 63 Blaze, 66 CBS Reality, 68 Horror Channel, 73 Drama +1, 77 TCC, 80 Blaze +1, 203 CITV, 211 Ketchup TV, 212 YAAAS!, plus 15 others

COM5
ArqA
 H max
C33 (570.0MHz)591mDTG-8100,000W
Channel icons
11 Sky Arts, 17 Really, 19 Dave, 30 4Music, 35 pick, 39 Quest Red, 42 Food Network, 46 Film4 +1, 47 Challenge, 48 4seven, 56 Smithsonian Channel, 69 Quest +1, 74 Yesterday +1, 82 Together TV, 233 Sky News, plus 9 others

COM6
ArqB
 H max
C36 (594.0MHz)591mDTG-8100,000W
Channel icons
23 Dave ja vu, 26 Yesterday, 33 GREAT! movies, 38 DMAX, 40 CBS Justice, 43 HGTV, 67 CBS Drama, 81 Talking Pictures TV, 84 PBS America, 234 RT, 235 Aljazeera English, plus 18 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, 64 FreeSports, 70 Quest Red +1, 76 Now 70s, 86 More4 +1, 87 PBS America +1, 89 Court 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?

1984-971997-981998-20102010-132013-182013-1727 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 - 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
Sunday, 15 July 2012
J
jb38
sentiment_very_satisfiedPlatinum

8:59 PM

Tracy Gill: I was reading the somewhat lengthy saga concerning your reception problems including "some" of the replies as they likewise can be time consuming to wade through, however what I wondered about was if at any time you had checked with anyone close by to find out if they experience similar reception problems to yourself?

The reason I ask, is because on a Google earth check I see that most aerials seem to be perched on top of high mounting poles, and with the property next to the mini roundabout sign having an aerial that's quite inappropriate for the situation that its in whereby its facing into trees, "inappropriate" by the fact of it being a high gain and likewise sharper pick up device whereas aerials of a much lower gain and likewise having a broader pick up pattern are usually far more effective in these type of situations, and with them not necessary being mounted high up unless by doing so clears the top of the trees, as if it doesn't then the aerial is effectively facing into a higher density parts of the tree vegetation.

Have you at any time purely for test purposes tried a set top aerial to verify or not if anything could be received at lower levels, although the impediment (as I see it) with trying this sort of thing in your type of situation is that the signal would be travelling through the gable end of the property, and so its not exactly a fair test.



link to this comment
jb38's 7,179 posts GB
Thursday, 19 July 2012
T
Tracy Gill
6:01 PM
Shepton Mallet

My aerial is mounted on my chimney stack, and my house is the middle one in a terrace. Unfortunately most of my neighbours use Sky. Also I don't know if this could be affecting the signal but a few years ago a load of trees were planted on the side of the hill between us and the mast.

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Tracy Gill's 17 posts GB
K
KMJ,Derby
sentiment_satisfiedGold

6:37 PM

Tracy Gill: Have you ever tried to receive a signal from Stockland Hill? S/H is SW of your location, would that avoid the trees? You would get the wrong regional news, of course, but that would be better than no BBC channels at all.

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KMJ,Derby's 1,811 posts GB
Sunday, 22 July 2012
T
Tracy Gill
8:10 PM
Shepton Mallet

Have finally decided enough is enough and have given in to my husband and kids and signed up to sky.

link to this comment
Tracy Gill's 17 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

8:44 PM

Tracy Gill: Well satellite reception virtually guarantees glitch free reception for 99.9% of the time 24/7 all the year round as nothing can really affect it, except that is sometimes during a really heavy thundery downpour when the signal might drop out for a minute or so, but though in cases like yours where reception is being spoiled by something out with your control i.e: trees, a satellite system is the only answer whether it be Sky or Freesat.

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jb38's 7,179 posts GB
Monday, 23 July 2012
O
Owen Lynch
8:06 PM
Trowbridge

Post Code is BA14 6NT

Since early July, my Freeview reception has been poor (Mendip Transmitter) with Pixelation and after retuning, loss of Channels( Sky News / BBC1 / 2 etc). This problems happens regularly during the summer when the trees are in leaf. I fitted a new external aerial last year but still the problems persist. My house has three TVs and all suffer the problem. I also has an 8 Way Aerial Splitter installed (SLX8).

link to this comment
Owen Lynch's 1 post GB
B
Ben Ward
sentiment_satisfiedBronze

9:31 PM

Success! I have sorted out my TV problems FINALLY. It was merely a failed line amplifier which wasn't putting out enough signal (so it was indeed a mains issue). Aerial reception was fine. Thanks go out to Kevin from Wiltshire Aerials.

With a fair few loss of signal/pixellisation problems on the Mendip transmitter reported on here, could some sort of spike have messed people's signal/splitter/amp/picture up?

jb38 especially, thank you for your help with this. I must say I am thankful that I've found this website.

link to this comment
Ben Ward's 28 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

11:50 PM

Ben Ward: Many thanks for your update on the situation and pleased to hear that you are fully operational again.

With regards to the powered splitter having failed, this as you will most likely have sussed out was the reason for my request (13th July @ 2.21pm) for you to try switching off the mains supply to the splitter, as if nothing changed by you having taken that action then it was positive proof that the unit was faulty, as of course it transpired that it was, but though I do fully understand your reasons for not being able to carry out the request by fact of its power source actually being in the loft thereby not being easily accessible.

And on the subject of the booster / splitter, if indeed its actual power supply had failed then nothing could really have caused that to happen excepting the possibility of its power transformer having tripped out (thermal fuse) through running continually in a slightly overheated state.

On the other hand though if it wasn't the more usual fault of the power supply having failed and the input to the device was connected to your outdoor aerial, then its likely that its transistorised input amplifier had failed through the aerial having picked up an excessively high level of static rain during some thundery conditions that may have occurred at some time, as boosters / splitters can suffer from this in exactly the same way as do some mast head amplifiers when connected to roof aerials.

Of course this latter comment re: input amp failing is never applicable at any time to loft mounted aerials.


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jb38's 7,179 posts GB
Thursday, 26 July 2012
Briantist
sentiment_very_satisfiedOwner

3:37 PM

Iestyn: If you still have problems, please can you see the Freeview reception has changed? | ukfree.tv - 10 years of independent, free digital TV advice page?

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Briantist's 38,844 posts GB
A
A N Alder
10:58 PM
Weston-super-mare

Hi
I have a major problem with the BBC broadcast channel. Channel 48, 52, 54, 56 all reporting strength and quality 10 except Chan 61 carrying BBC transmissions. This has been constantly measuring poor to very poor on all receivers, PVR's dropping serial link on most programmes. Seem to have near perfect line of sight to Mendips. Post code BS22 9EF (Weston-super-Mare).

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A N Alder's 3 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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