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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
Tuesday, 27 February 2018
R
Richard Hunt
5:06 PM

27th Feb I have retuned today but I cannot get any signal for channel 56 . Has these programmes moved to another channel? I am at TA246SR and receive signal from Mendip

link to this
Richard Hunt's 1 post GB
B
bruce
5:35 PM

would seem Richard H is suffering the same so could it be a Mendip fault!!!

bruce

link to this
bruce's 33 posts Bronze Bronze GB
S
StevensOnln1
9:16 PM

To all posters who have lost channels from Mendip today:

Firstly, as Mike suggests, check for any loose or damaged cables or connections as any faults in your aerial system could be preventing the channels which have moved being found on their new frequencies. If you are still missing channels such as Pick, Dave or Sky News you should contact the Freeview advice line for assistance (some viewers may need a new aerial which will be arranged free of charge if you don't have satellite or cable), details can be found at the link below:

Important changes to Freeview TV signals | Freeview

link to this
StevensOnln1's 1,878 posts Gold Gold GB
I
Ian
11:43 PM

I re-scanned earlier and Channel 56 has moved to channel 36 ahead of the planned schedule.

link to this
Ian's 1 post GB
Wednesday, 28 February 2018
Transmitter engineering
4:30 AM

MENDIP transmitter - Freeview: BBC Digital TV Off Air; DSO related from 00:14 yesterday to 04:27 yesterday, HD Digital TV Off Air; DSO related from 00:14 yesterday to 04:28 yesterday. [BBC]

link to this
Transmitter engineering's 105,883 posts Owner Owner xx
R
Richard
8:51 AM

The schedule of the 700 MHz clearance changes on the Mendip transmitter shown on this web site is incorrect.

The correct information is published by digitaluk.
Coverage Checker - Detailed View

The channel 56 to 36 move was as listed by digitaluk and no further work takes place this year!

link to this
Richard's 1 post GB
MikeP
12:28 PM

To those having oproblems with receiving certain programmes from Mendip, I can assure you that it is not a fault at the transmitter as I have all the usual channels still. As I'm in Trowbridge, I have a Log36 aerial with a powered amplifier adjacent to it. I did the retune yesterday after the overnoght work and all is as expected. No channe;s are missing.

So some may have the wrong aerial to cover all the channels, which is why we recommend a log-periodic aerial as that covers all the frequencies used for Freeview TV and hence will not need replacing if/when there are further changes in the future.

Bruce: It is a well known that a poor connection in an aerial feed can cause loss of just one group of channels in a multiplex. So please do as suggested and check all the leads and connections (by unplugging and then refitting) behind the TV and as far as you can safely reach to the aerial.



link to this
MikeP's 2,188 posts Platinum Platinum GB
B
BrizzleRocker
9:53 PM

MikeP: word of advice before faffing with the aerial that was working perfectly fine previously, I recommend trying a re-tune!

link to this
BrizzleRocker's 2 posts GB
Thursday, 1 March 2018
Transmitter engineering
4:30 AM

MENDIP transmitter - Freeview: BBC Digital TV Off Air; DSO related from 00:14 on 27 Feb to 04:27 on 27 Feb, HD Digital TV Off Air; DSO related from 00:14 on 27 Feb to 04:28 on 27 Feb. [BBC]

link to this
Transmitter engineering's 105,883 posts Owner Owner xx
MikeP
11:22 AM

BrizzlweRocker:

It is always good advice to check all the aerial connections BEFORE attempting a retune. All a retune will do is wipe all the current tuning stettings and that is not something you want to do if the problem is with one multiplex.

Checking aerial connections is something that we television service engineers have been doing for more than 70 years, as even in the days of VHF TV there were problems of corrosion affecting coaxial plugs/sockets causing loss, or poor reception, of some signals whilst others were perfect.

I did not suggest any work on the aerial other than recommending use of a log-periodic aerial for all reception of all channel now and in the future.



link to this
MikeP's 2,188 posts Platinum Platinum GB
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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.

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