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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

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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
C49 (698.0MHz)591mDTG-3100,000W
Channel icons
1 BBC One West, 2 BBC Two England, 9 BBC Four, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 601 BBC RB 1, plus 17 others

PSB2
D3+4
 H max
C54 (738.0MHz)591mDTG-3100,000W
Channel icons
3 ITV (West), 4 Channel 4 South ads, 5 Channel 5, 6 ITV 2, 13 Channel 4 +1 South ads, 14 More4, 15 Film4, 24 ITV4, 24 ITV4 +1, 28 E4, 33 ITV +1 (West),

PSB3
BBCB
 H max
C58 (770.0MHz)591mDTG-6100,000W
Channel icons
45 Film4 +1, 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,

COM4
SDN
 H max
C48 (690.0MHz)591mDTG-8100,000W
Channel icons
10 ITV3, 20 Drama, 21 5 USA, 26 ITV Be, 27 ITV 2 +1, 30 5STAR, 34 ITV3 +1, 37 Quest, 44 Channel 5 +1, 54 My5, 58 ITV Be +1, 59 ITV4 +1, 61 True Entertainment, 63 Blaze, 66 CBS Reality, 70 Horror Channel, 80 Blaze +1, 83 Quest +1, 203 CITV, 211 Ketchup TV, plus 17 others

COM5
ArqA
 H max
C56 (754.0MHz)591mDTG-8100,000W
Channel icons
11 pick, 12 Dave, 17 Really, 29 E4 +1, 32 Sony Movie Ch, 38 Quest Red, 41 Food Network, 46 Challenge, 48 Movies4Men, 60 Sony Crime Channel 2, 72 YourTV, 233 Sky News, plus 9 others

COM6
ArqB
 H max
C52 (722.0MHz)591mDTG-8100,000W
Channel icons
18 4Music, 19 Yesterday, 25 Home, 31 5Spike, 39 CBS Action, 42 Travel Channel, 47 4seven, 62 True Movies, 71 CBS Reality 1, 73 YourTV +1, 79 Dave ja vu, 81 Talking Pictures TV, plus 20 others

LBS
 H -10dB
C51 (714.0MHz)591mDTG-1210,000W
Channel icons
from 22nd September 2014: 7 Made in Bristol,

com7
 H -1.4dB
C33 (570.0MHz)591mDTG-672,400W
Channel icons
56 5USA +1, 57 5Spike 1, 64 CBS Action +1, 67 CBS Drama, 82 Vintage TV, 84 Quest Red +1, 87 Keep It Country, 107 BBC News HD, 108 Al Jazeera Eng HD, 109 Channel 4+1 HD, 110 4seven HD, 113 RT HD,

com8
 H -1.6dB
C35 (586.0MHz)591mDTG-669,100W
Channel icons
55 5STAR+1, 86 More4 1, 95 Freesports, 96 Forces TV, 106 BBC Four HD, 115 BT Showcase HD (not free), 205 CBeebies HD, plus 5 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
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
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?

years1984-971997-981998-20102010-1327/3/13-2013-1731st Mar 2018-
aerial groupC/D EEEC/D EC/D EWK
600C32BBCA
C33com7D3+4
C34BBCB
C35com8SDN
C36ArqA
C37C5C5
C48SDNSDNSDNArqB
700C49 BBCABBCA
C51LBS
C52ArqBArqBArqB
C54C4C4C4D3+4D3+4D3+4
C55+2
C56+CArqAArqAArqA
C58BBC1BBC1BBC1BBCBBBCBBBCB
C59+1
800C61ITVITVITVBBCA
C62+A
C64BBC2BBC2BBC2
C65+B
C67D

orange background for multiplexes names more
green background for transmission frequencies
lilac background for power levels in watts
800MHz band: 4G mobile started in 2013
700MHz band: 4G from 30 June 2020more
600MHz 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.

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
Thursday, 11 January 2018
R
Rachel brunsdon
9:14 PM

Hi, I have constant bad signal on channels 1-5 for the past 4 days in yatton. Signal gets lost tv screen goes black and the sound can just come and go. Can anyone tell me what's going on

link to this
Rachel brunsdon's 1 post GB
S
StevensOnln1
11:06 PM

Rachel brunsdon: Have you checked for any loose or damaged cables or connections behind your TV? Please provide a full postcode so we can see your predicted signal strength and where you are in relation to the transmitter etc.

link to this
StevensOnln1's 1,934 posts Gold Gold GB
Friday, 12 January 2018
MikeP
10:24 PM

Rachel Brunsdon:

We use Mendip as our main Freeview source and there are no problems with the transmissions. So I concur with StevensOnln1 that you should carefully check all the aerial connections right from the aerial to the back of your TV set.



link to this
MikeP's 2,244 posts Platinum Platinum GB
Tuesday, 16 January 2018
W
wes.w
3:38 PM

MikeP:
There have been recent problems in my area (North Cadbury, Somerset BA22) with drop outs in HD. This may be related to the new channel changes. A total retune seems to have cured the problem.
However WARNING: I receive regions West (Mendip), South West and Wales. Most TVs will ask which region you want in cases like this. I found that many channels were missing after retune, and these needed manual retuning.

link to this
wes.w's 3 posts GB
MikeP
11:23 PM

Wes.W:

Indeed a retune should resolve any reception difficulties in this instance. That you have several transmitter options available means that you have to be careful to ensure it tunes to the Mendip transmitter if you want HTV West, BBC 1 West, etc.

Whilst you are checking the channels the TV has tuned to, check that the signal strengths aree between 60% and 85%. Either less or more will give you picture breakup and sound problems.



link to this
MikeP's 2,244 posts Platinum Platinum GB
Wednesday, 17 January 2018
G
Graham
6:09 PM

I am getting local news on ITV but I get Central on ITV HD. Can this be changed please

link to this
Graham's 1 post GB
S
StevensOnln1
7:15 PM

Graham: As you've posted on the Mendip page, presumably you are talking about receiving ITV Central HD on Freeview. This is because ITV currently only transmit four of their regions in HD on Freeview in England (London, Meridian, Central and Granada). More ITV HD regions are available on satellite, but as ITV HD is broadcast on Freeview capacity belonging to the BBC, we probably won't see any further ITV HD regions being made available via Freeview until the BBC are in a position to start broadcasting regional versions of BBC One HD (both are broadcast on the PSB3 multiplex which is owned/operated by the BBC).

link to this
StevensOnln1's 1,934 posts Gold Gold GB
Thursday, 18 January 2018
T
TimH
2:58 AM

No COM7 or COM8 (UHF chs 33 and 35) at the moment (~3am), are they off at night time for engineering work? COM7 was fine earlier today. I see that they will disappear at the end of March this year, perhaps that is related. Other muxes e.g. the man HD mux (ch58) are fine.

link to this
TimH's 8 posts US
S
StevensOnln1
10:39 AM

TimH: It would be very unusual for any engineering work to take place overnight (unless there was a fault). COM7 & COM8 are not closing in March, they are moving to form a national single frequency network (SFN) on UHF channels 55 & 56 (where they will remain until some time between 2020 and 2022), although according to Digital UK those changes aren't happening at Mendip until Spring 2019. Several multiplexes will change frequencies around the same time (although it looks like this will happen in three steps on different dates). The only changes taking place at Mendip this year are that COM5 will move to UHF 33 and COM7 will temporarily move to UHF 36 on 27th February.

link to this
StevensOnln1's 1,934 posts Gold Gold GB
J
John Sykes
9:28 PM

we have a Philips HD pvr HDT 8520 working off Mendip: all channels OK and decodable, including CH33. It lost the mux which includes BBC4 HD, so I ended up doing a factory reset and retuning. It pauses to ask which network to choose: "West" (116 tv's) or "Com78 National" (28). You can't choose both. If I select "West", it then puts the BBC4 HD mux channels up in the 815 channel area with no metadata to enable program recording. If I choose "Com78 National" we have the correct channel numbering for BBC4 HD (106) and the other HD channels in Ch33 mux, but not for the normal BBC1/ITV/Ch4 hd's etc, which end up with no metadata, numbered in the 200's I think. Can something be done to make the networks converge? There must hae been a change incompatible with with the box's firmware?

link to this
John Sykes's 3 posts GB
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