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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
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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, 23 BBC Three, 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 1 (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, 26 ITV4, 30 E4 +1, 35 ITV1 +1 (West),

PSB3
BBCB
 H max
C35 (586.0MHz)591mDTG-6100,000W
Channel icons
56 5SELECT, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV 1 HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 109 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

COM4
SDN
 H max
C48 (690.0MHz)591mDTG-8100,000W
Channel icons
20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 41 Legend, 42 GREAT! movies action, 46 Channel 5 +1, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 74 Dave ja vu, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 203 CITV, 208 POP MAX, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 14 others

COM5
ArqA
 H max
C33 (570.0MHz)591mDTG-8100,000W
Channel icons
11 Sky Arts, 17 Really, 19 Dave, 31 E4 Extra, 36 pick, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 57 Smithsonian Channel, 60 Drama +1, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 9 others

COM6
ArqB
 H max
C36 (594.0MHz)591mDTG-8100,000W
Channel icons
 FreeSports, 12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 71 Quest Red +1, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 88 Classic Hits, 235 Al Jazeera Eng, plus 19 others

LBS
 H -10dB
C30 (546.0MHz)591mDTG-1210,000W
Channel icons
from 22nd September 2014: 7 Made in Bristol,

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 / June 2022 - 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, 3 July 2011
M
Mike Gallimore
11:23 AM
Swindon

Mike Dimmick: Mike thanks for the advice. Was going to try your suggestion today but late yesterday afternoon the problem channels seemed to resolve themselves.

link to this comment
Mike Gallimore's 2 posts GB
B
bruce
sentiment_satisfiedBronze

4:04 PM

Off the mendip transmitter trying to watch on freeview ch 24 the tour de france but have continual picture/audio breakup - assume this to be [i] atmospheric & [ii] low power tramsmission - nothing can be done about [i] but hopefully this will improve when full power transmission begins next year!!!

Bath repeater is not transmitting freeview ch24 amongst others are there plans for repeaters to become fully functional or will user in this and similar areas always be the poor relations?

link to this comment
bruce's 46 posts GB
Monday, 4 July 2011
I
IAN LOGAN
12:00 AM

Freeview reception in clevedon, Somerset.

in recent weeks picture on channels 10, 12, 14 has been at times unwatchable - picture breaking up. other channels are usually OK. have three aerials, one recently installed for digital changeover on roof, others in loft. same problems on all three aerials. some neighbours have similar problems.

are there issues with low power on mendip transmitter and some receivers ?

link to this comment
IAN LOGAN's 4 posts GB
Tuesday, 5 July 2011
S
Steve
2:17 PM
Melksham

Jim F/Briantist

I have at last solved the problems tuning my Panasonic HDD Recorder. After months of frustration i finally got around to retuning the HDD via the aerial feed in my bedroom, which runs off of a seperate aerial and lead. The HDD tuned in perfectly. I re-connected the HDD downstairs and again had very bad reception/loss of signal. It wasn't until i wiggled the aerial coax input that i found the picture got bad then better. To cut a long story short, i cut about a foot off of my lead, attached a new coax plug and hey presto all channels are now tuned and functioning correctly. Thanks for all your advice!

link to this comment
Steve's 7 posts GB
Wednesday, 6 July 2011
B
Barry Saltiel
6:55 PM
Bristol

I live in Portishead.My aerial is outside
am I in a poor reception area.
My post code is BS20 8HL

link to this comment
Barry Saltiel's 1 post GB
Sunday, 17 July 2011
Briantist
sentiment_very_satisfiedOwner

11:46 AM

Barry Saltiel: You're in a really good reception are for both the Mendip and Wevnoe transmitters...

link to this comment
Briantist's 38,844 posts GB
Wednesday, 27 July 2011
J
John_Ha
9:35 PM

The BBC multiplex (62) on Mendip has suddenly started breaking up for me, and judging by the variations in signal strength and signal qality mI am seeing, it is co-channel interference from a distant station.

Can anyone help by pointing me to a schedule which lists the dates of each of the changeovers and the channels on which the main transmitters transmit? I could then track down what might be the intefering station.

I could do it the long way (enterring postcodes appropriate to each main transmitter in the postcode checker) but I would have expected there was a listing somewhere.

link to this comment
John_Ha's 8 posts GB
J
John_Ha
9:42 PM

Sorry for the typo.
"The BBC multiplex (62) on Mendip" should of course be "The BBC multiplex (61) on Mendip"

link to this comment
John_Ha's 8 posts GB
J
John-Ha
10:04 PM

I have discovered your link Transmitters has Find Freeview by frequency, and when I enter 61, I get shown all the transmitters transmitting on 61, and their (planned? actual?) changeopver dates.

The Workington relay in Scotland started transmitting its BBC multiplex on C61 on 22 July 2011, so it could be a candidate for causing the inteference with my Mendip signal.

But it broadcasts on only 10Watts. Is it feasible that a 10W signal from Scotland could cause co-channel inteference with a 100kWatt signal from Mendip? I normally receive Mendip 61 at 60% strength and 100% quality but I am now seeing it drop to as low as 40% strength and 10% quality.
All other Mendip multiplexes are OK so it is unlikely it is my aerial etc.

There is no transmitter work reported on Mendip.

Any thoughts will be appreciated!

link to this comment
John-Ha's 8 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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