Freeview: Mendip (Somerset, England) Full Freeview transmitter
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Full Freeview on the Mendip (Somerset, England) transmitter

Google StreetviewGoogle mapBing mapGoogle Earth51.237,-2.626 or 51°14'12"N 2°37'33"WBA5 3LB

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. Click to recheck

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The symbol shows the location of the Mendip (Somerset, England) transmitter which serves 720,000 homes.

Other maps:Mendip DABMendip regionBBC WestWest

Radiation patterns

Radiation patterns withheld

Map key

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.


List by multiplex|List by channel number|List by channel name|See terrain plot

Mendip transmitter Freeview broadcasts

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.

MuxAerial positionFrequencyHeightModeWatts
PSB1
BBCA
 horizontal max
C49 (698.0MHz)591m64QAM 8K 2/3
24.1Mb/s DVB-T MPEG2		100,000W
Channel icons
1 BBC One West, 2 BBC Two England, 7 BBC Three, 9 BBC Four, 70 CBBC Channel, 71 CBeebies, 80 BBC News, 81 BBC Parliament, 301 301, plus 12 others

PSB2
D3+4
 horizontal max
C54 (738.0MHz)591m64QAM 8K 2/3
24.1Mb/s DVB-T MPEG2		100,000W
Channel icons
3 ITV (West), 4 Channel 4 South ads, 5 Channel 5 Part Network ads, 6 ITV 2, 13 Channel 4+1 South ads, 14 More 4, 28 E4, 33 ITV +1 (West),

PSB3
BBCB
 horizontal max
C58 (770.0MHz)591m256QAM 32KE 2/3
40.2Mb/s DVB-T2 MPEG4		100,000W
Channel icons
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, plus 1 others

COM4
SDN
 horizontal max
C48 (690.0MHz)591m64QAM 8K 3/4
27.1Mb/s DVB-T MPEG2		100,000W
Channel icons
10 ITV 3, 20 G.O.L.D. (not free), 25 Dave ja vu, 26 Home (not free), 27 ITV 2 +1, 30 5*, 31 5USA, 34 ESPN UK (not free), 38 Quest, 39 The Zone, 44 Channel 5 +1, 72 CITV, plus 22 others

COM5
ArqA
 horizontal max
C56 (754.0MHz)591m64QAM 8K 3/4
27.1Mb/s DVB-T MPEG2		100,000W
Channel icons
11 PICK TV, 12 Dave, 17 Really, 29 E4+1, 32 Movie Mix, 46 Challenge, 48 Food Network, 82 Sky News, 87 Community Channel, plus 9 others

COM6
ArqB
 horizontal max
C52 (722.0MHz)591m64QAM 8K 3/4
27.1Mb/s DVB-T MPEG2		100,000W
Channel icons
15 Film 4, 18 4Music, 19 Yesterday, 21 VIVA, 24 ITV 4, 41 Sky Sports 1 (not free), 42 Sky Sports 2 (not free), 47 4seven, 83 Al Jazeera English, 85 RT English , plus 21 others



Regional news from the Mendip transmitter


BBC Points West 0.9m homes 3.4%
from Bristol BS8 2LR, 25km north
to BBC West region - 60 masts.

ITV West Country News (East) 0.9m homes 3.4%
from Bristol BS4 3HG, 23km north
to ITV West region - 61 masts.

Self-help relays

CheddarTransposer15 km E Weston-super-Mare1674 homes
LuccombeActive deflector6 km w Minehead38 homes

How the transmission frequencies change over time

years1984-971997-981998-20102010-1327/3/13-2013-182019-
aerial groupC/D EEEC/D EC/D EWK
C22SDN
C25ArqA
C28ArqB
600C33com7
C35com8
C37C5C5
C40BBCB
C43D3+4
C46BBCA
C48SDNSDNSDN
700C49 BBCABBCA
C51local
C52ArqBArqBArqB
C54C4C4C4D3+4D3+4D3+4
C55+2
C56+CArqAArqAArqA
C58BBC1BBC1BBC1BBCBBBCBBBCB
C59+1
800C61ITVITVITVBBCA
C62+A
C64BBC2BBC2BBC2
C65+B
C67D

orange background for multiplexes names moregreen background for transmission frequencieslilac background for power levels in watts800MHz band: 4G mobile to start in 2013700MHz band: possible 4G in 2019 more600MHz band: new or moved digital TV services more
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W
Italics for analogue, digital switchover was Wednesdays 24th March and 7th April 2010.

  • Ofcom have projected that a local television service for Bristol could use an Interleaved Frequency on the Mendip transmitter using C51
  • COM7, COM8 projected for 2013-16. COM7 and COM8 to operate as Bristol Ilchester Crescent,Bristol Kings Weston, Mendip SFN.

Comparison of old analogue and current digital signal levels

Analogue 1-4 500kW
Analogue 5(-6dB) 126kW
SDN, ARQA, ARQB, com7, com8, BBCA, D3+4, BBCB(-7dB) 100kW
Mux 1*, Mux 2*, Mux A*, Mux B*, Mux C*, Mux D*(-17dB) 10kW

History of Channel 3 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.


Your comments: most recent posts are at the bottom

firstFirst comments prevEarlier comments  ◊ 

Your comments are always welcome. Please use the form below to add your thoughts or questions to this page. We will get back to you as soon as we can.

jb38
Monday 8 April 2013 9:02PM
EL: Yes, many thanks for your report and especially when being accompanied with the P/C location being referred to, as this type of info is exceedingly handy for reference purposes.
Roger Alban
Thursday 11 April 2013 12:27PM
I live in Penarth in a three story victorian house not far from the sea front with a high gain aerial in the loft pointing at the Mendip Transmitter. The aerial was installed in the days of the analogue service. Since the change over of channels which took place in late March 2013, I now experience poor signal strength on channels C49, C48 and C52 with good signal strength on channels C54 and C56. Will need to change this high gain aerial to receive all the channels transmitted from the Mendip transmitter?
Dave Lindsay
Thursday 11 April 2013 1:13PM
Roger Alban: First off try rotating the aerial a bit. Or if that doesn't work, maybe try the aerial in different positions in the loft-space to see if you can find a spot where all channels are good.
Bizman
Thursday 11 April 2013 8:22PM
@Chloe, If all else fails I would be prepared to offer assistance as I live in Taunton (TA3) and reception here is excellent. None of my neighbours have a problem with BBC, nor any friends who live in town. I have odd bits of test & diagnostic equipment that could be put to resolving the matter which seems to be very localised.
Bob
Friday 12 April 2013 7:15PM
For those wanting to contact Arqiva, you can email the "Head of Communication and Reputation", Natalie Field, from the Crawley Court office in Hampshire at this address:
your.feedback@arqiva.com

Jonny
Friday 12 April 2013 8:10PM
Hi, I am wondering why I am unable to pick up Film4? I have a Freeview Digital TV and live in central Stroud. Has it got something to do with the power of my ariel or does the Stroud area have limited frequencies? I have tried retuning.

Many thanks for anyone's help?!
Dave Lindsay
Friday 12 April 2013 8:23PM
Jonny: If you are receiving from the Stroud relay, or "filler-in" transmitter, then you will not have the Commercial (COM) channels; it only carries Public Service (PSB) channels.

For a list of which services are carried on which multiplex (i.e. which are PSB and which are COM), see:

www.dtg.org.uk link icon DTG :: DTT Services by Multiplex

The COM channels only broadcast from the largest transmitters as their prmiary objective is profit and they have no "Public Service" obligation. See here:

Londonderry (Northern Ireland) digital TV transmitter | ukfree.tv - 10 years of independent, free digital TV advice

If you are receiving from Stroud then you may be able to receive the full service from another transmitter such as Mendip or Wenvoe. The latter carries Welsh regional programming and you may be able to use a separate receiver for it (or use Wenvoe as your main transmitter and Stroud via a separate set-top box for regional programming).
Dave Lindsay
Friday 12 April 2013 8:31PM
Jonny: I would suggest that you're not likely to be able to receive from Mendip and that you're only option in the centre of Stroud might be to receive all channels from Wenvoe and regional PSB channels from Stroud. Unfortunately due to the channels (frequencies) used by these two transmitters being interleaved, you won't be able to have the two feeds (from each aerial) combined so as to feed it into one receiver.
EL
Friday 12 April 2013 8:31PM Bristol
Jonny: probably best to check your postcode on this website to see what your forecast coverage is likely to be.

Depending on where in Stroud you are, I would imagine the hills surrounding the Five Valleys may get in the way of the main signal from Mendip. In that case, you may be getting your signal from a local public service relay. For example, Stroud has its own relay (http://www.ukfree.tv/shutdowndetail.php?tx=SO836077), which you may be getting if your main BBC1 channel comes in on UHF 40 (on Mendip it comes in on UHF 49).

If it's only relaying public service ("Freeview Lite"), then I think you'll only get PSB1, PSB2 and PSB3. Since Film 4 is on COM6, a commercial set of channels, you may not be able to get it at all.

Are you also missing channels such as ITV4 and Yesterday? Can you get Dave or ITV3? These are all on commercial UHF channels which the Stroud transmitter is not relaying.
Paul
Monday 15 April 2013 10:48PM Swindon
HI been through the reset procedure on my mums Samsung TV which is about 2 years old there is no free veiw box so i think the tv has the freeveiw tuner built in it was working fine before event now no BBC
their postcode is Sn2 7Pr which is Swindon they live in community housing so the service is provided by landlord for all the tenants they have another tv in the bedroom which uses the same Ariel point and this receives all the channels after it was retuned I have done the reset procedure scan minus the Ariel lead unplug power off wait 30 seconds power on scan again I removed the set in the bedroom from the point before starting and finishing procedure but to no avail the set did find BBC around 800 MHz but the picture was pixellated with no sound it used to show as channel 1 and channel 2 now the first Channel is number 3 but to no avail any ideas as their set seems to be the only one that's not picking up BBC
MikeP
Saturday 27 April 2013 2:11PM
Whilst it is often not advisable to diplex two aerials into a single feed there is another possible solution, one that I used when living in Swindon and could receive from Mendip and Oxford main transmitters. Both aerials were mounted on a good strong pole, thicker than is normally used, and each had a separate good quality downlead into the lounge by the TV set. They connected to a coaxial switch that had two inputs and one output, so only one aerial was connected at a time. Simply moving the manual switch allowed selection between sources. The switch has to be a good quality coaxial one and fully screened to avoid picking up interference and to maintain the integrity of the coaxial connections. It must be designed for 75 Ohm coaxial UHF systems, can be either IEC coax or F-connector but not BNC connectors. Works with all UHF TV signals with no problems if cables and connections are made properly. You'll need to search for one but avoid any 'automatic' ones.
Transmitter engineering
Sunday 12 May 2013 11:36AM
MENDIP transmitter - Over the next week Mendip main transmitter: TV (digital) Liable to interruption, Radio (analogue) working normally, no analogue radio. [DUK]
Transmitter engineering
Sunday 12 May 2013 11:41AM
MENDIP transmitter - Over the next week Mendip main transmitter: TV (digital) Liable to interruption, Radio (analogue) working normally, no analogue radio. [DUK]
Pete Green
Monday 13 May 2013 4:03PM Weston-super-mare
Transmitter engineering

Please explain "Radio (analogue) working normally, no analogue radiio."
Dave Lindsay
Monday 13 May 2013 4:13PM
Pete Green: Transmitter engineering is a bot whose job is to scrape the information from official sources. In this case it is from Digital UK, as the presence of its logo denotes.

The information comes from Digital UK's engineering page at:

www.digitaluk.co.uk/engineeringworks
Pete Green
Monday 13 May 2013 5:47PM Weston-super-mare
Dave Lindsay. I still don't understand the message whoever it comes from.
Dave Lindsay
Monday 13 May 2013 6:51PM
Pete Green: I suspect that this — the "no analogue radio" bit — might be a bug in the program that takes the information from its source. I have e-mailed the site owner to make him aware of it.
jb38
Monday 13 May 2013 8:06PM
Pete Green: Analogue is referring to its FM transmissions.
Transmitter engineering
Thursday 16 May 2013 8:58AM
MENDIP transmitter - DAB: BBC National DAB Radio Weak Signal from 11:32 yesterday to 12:33 yesterday. [BBC] Over the next week Mendip main transmitter: TV (digital) Liable to interruption, Radio (analogue) working normally, no analogue radio. [DUK]
Transmitter engineering
Thursday 16 May 2013 8:58AM
MENDIP transmitter - DAB: BBC National DAB Radio Weak Signal from 11:32 yesterday to 12:33 yesterday. [BBC] Over the next week Mendip main transmitter: TV (digital) Liable to interruption, Radio (analogue) working normally, no analogue radio. [DUK]
Transmitter engineering
Thursday 16 May 2013 4:19PM
MENDIP transmitter - DAB: BBC National DAB Radio Weak Signal from 11:32 yesterday to 12:33 yesterday. [BBC] Over the next week Mendip main transmitter: TV (digital) Liable to interruption, no analogue radio, Radio (digital) working normally. [DUK]
Transmitter engineering
Thursday 16 May 2013 4:19PM
MENDIP transmitter - DAB: BBC National DAB Radio Weak Signal from 11:32 yesterday to 12:33 yesterday. [BBC] Over the next week Mendip main transmitter: TV (digital) Liable to interruption, no analogue radio, Radio (digital) working normally. [DUK]
Transmitter engineering
Friday 17 May 2013 4:32AM
MENDIP transmitter - DAB: BBC National DAB Radio Weak Signal from 11:32 on 15 May to 12:33 on 15 May. [BBC] Over the next week Mendip main transmitter: TV (digital) Liable to interruption, no analogue radio, Radio (digital) working normally. [DUK]
Transmitter engineering
Friday 17 May 2013 4:32AM
MENDIP transmitter - DAB: BBC National DAB Radio Weak Signal from 11:32 on 15 May to 12:33 on 15 May. [BBC] Over the next week Mendip main transmitter: TV (digital) Liable to interruption, no analogue radio, Radio (digital) working normally. [DUK]
Pete Green
Friday 17 May 2013 10:58AM Weston-super-mare
Dave Lindsay

Your e-mail seemed to have worked. Analogue now chaged to Digital.Thank you.
Dave Lindsay
Friday 17 May 2013 11:03AM
Pete Green: The site owner said it was a bug and that it has been fixed.
Dave
Friday 24 May 2013 10:34PM
ITV HD from Mendip, and in fact from all West and West Country transmitters, is ITV Central West HD not Meridian South HD as stated in these Pages.
updates
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