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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.

Are there any planned engineering works or unexpected transmitter faults on the Mendip (Somerset, England) mast?

MENDIP transmitter - Freeview: BBC Digital TV Off Air; DSO related from 00:19 on 16 Jan to 03:19 on 16 Jan, HD Digital TV Off Air; DSO related from 00:19 on 16 Jan to 03:19 on 16 Jan. BBC

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.

 H max
C32 (562.0MHz)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 12 others

 H max
C34 (578.0MHz)591mDTG-3100,000W
Channel icons
 E4, 3 ITV (West), 5 Channel 5, 6 ITV 2, 10 ITV3, 15 Film4, 24 ITV4, 33 ITV +1 (West), 73 Sewing Quarter,

 H max
C35 (586.0MHz)591mDTG-6100,000W
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, 105 Channel 5 HD, 204 CBBC HD,

 H max
C48 (690.0MHz)591mDTG-8100,000W
Channel icons
20 Drama, 21 5 USA, 30 5STAR, 37 Quest, 54 5SELECT, 57 Paramount Network, 61 True Entertainment, 63 Blaze, 66 CBS Reality, 70 Horror Channel, 80 Blaze +1, 203 CITV, 211 Ketchup TV, plus 17 others

 H max
C33 (570.0MHz)591mDTG-8100,000W
Channel icons
11 pick, 12 Dave, 17 Really, 32 Sony Movie Ch, 38 Quest Red, 41 Food Network, 46 Challenge, 48 Movies4Men, 72 YourTV, 233 Sky News, plus 9 others

 H max
C36 (594.0MHz)591mDTG-8100,000W
Channel icons
18 4Music, 19 Yesterday, 25 Home, 31 5Spike, 39 CBS Action, 42 Travel Channel, 47 4seven, 62 True Christmas, 71 CBS Drama, 79 Dave ja vu, plus 19 others

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

 H -1.4dB
C55 (746.0MHz)591mDTG-672,400W
Channel icons
67 CBS Reality 1, 82 Vintage TV, 87 Keep It Country, 107 BBC News HD, 109 Channel 4+1 HD, 110 4seven HD, 113 RT HD, plus 2 others

 H -1.6dB
C56 (754.0MHz)591mDTG-669,100W
Channel icons
55 5STAR+1, 64 CBS Action +1, 64 Freesports, 86 More4+1, 86 More4 1, 88 NOW 80s, 93 Together, 94 PBS America, 96 Forces TV, 106 BBC Four HD, 115 BT Showcase HD (not free), 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?

years1984-971997-981998-20102010-1327/3/13-2013-1727th Feb 2018
aerial groupC/D EEEC/D EC/D EWW

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.

Friday, 19 January 2018
4:10 AM

StevensOnln1: both muxes were back again this morning (of 18/1/18) and are still ok now at 4am with nothing done to my setup to bring that about - the STB signal level meter showed zero when they were out and now it back to the good level they have always had in the past. Thanks for the information about the COM7/8 changes, this information seems to be in conflict with the chart above regarding what happens after 31/3/18 where COM7/8 currently disappear.

link to this
TimH's 8 posts GB
10:16 AM

TimH: The chart seems to be based on the frequencies which will be cleared for used at Mendip following completion of the 700MHz clearance in mid 2020. It doesn't show the interim shuffling of muxes to reach that final outcome as these details were only recently announced, nor does it show COM7/COM8 at their new homes in the 700MHz band as these frequencies will be auctioned off to the mobile networks at some stage and will cease being available for broadcast use (although no firm date has been announced for when COM7 & COM8 will close).

link to this
StevensOnln1's 2,220 posts Platinum Platinum GB
10:17 AM

John Sykes: Does your PVR have a manual tuning function? If so, select the West region then try manually tuning COM7 on UHF channel 33 and COM8 on 35.

link to this
StevensOnln1's 2,220 posts Platinum Platinum GB
John Sykes
12:30 PM

No, you can only select either West or Com78 National during tuning. In either case all 140 TV channels are "tuned", but those with the "wrong" region do not have any information attached so you can't record them from the epg. Perhaps this will be resolved when the next frequency shift takes place?

link to this
John Sykes's 3 posts GB
12:50 PM

John Sykes: The new Com78 National has been created because the COM7 & COM8 muxes are becoming a single frequency network (SFN) and therefore need to have identical broadcasts, therefore each transmitter has to broadcast the same region information for COM7 & COM8. I would suggest contacting Philips technical support as this will presumably affect anyone else using that model who can receive COM7/COM8 and may lead to Philips issuing a firmware update if there are a large number of affected users.

link to this
StevensOnln1's 2,220 posts Platinum Platinum GB
John Sykes
3:00 PM


Re "Philips technical support as this will presumably affect anyone else using that model who can receive COM7/COM8 and may lead to Philips issuing a firmware update if there are a large number of affected users."

Yes, with some difficulty I've done that: the chances are remote! The email address to report this to Philips is


link to this
John Sykes's 3 posts GB
Saturday, 20 January 2018
2:06 AM

John Sykes:

To contact Philips Technical Support use UK support and service | Philips or ring 020 7949 0240

link to this
MikeP's 2,568 posts Platinum Platinum GB
Wednesday, 31 January 2018
Glynis Spicer
4:23 PM

Our picture froze completely watching BBC 2 this morning then it was fragmenting. At one point picture went blank saying check your digital Ariel connections. On speaking to our neighbour today they had similar problems last evening. Just wondered if there was a temporary fault. We have checked all connections, we have Ariel in loft and that is fine.

link to this
Glynis Spicer's 1 post GB
Norman D. Landing
7:17 PM

Glynis Spicer: There are ongoing works at Mendip transmitter, so you may see some disturbances like this during the day

Whatever you do - do NOT retune! The signal will come back on its own when the works end for the day, but if you retune, you will lose all your stored channels and have no idea when the work stops

link to this
Norman D. Landing's 16 posts GB
Wednesday, 14 February 2018
11:13 PM

I should be receiving programmes from the Mendip transmitter but I'm getting regional channels from Wales - how do I fix this? Auto-returning hasn't helped and I can't find how to manually select channels.

link to this
NickyH's 1 post GB
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