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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 - Mendip transmitter: Possible effect on TV reception week commencing 25/03/2024 Pixelation or flickering on some or all channels Digital tick


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-100,000W
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, plus 17 others

PSB2
D3+4
 H max
C34 (578.0MHz)591mDTG-100,000W
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, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (West),

PSB3
BBCB
 H max
C35 (586.0MHz)591mDTG-100,000W
Channel icons
46 5SELECT, 101 BBC One HD West, 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, 107 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, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 Dave ja vu, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 78 TCC, 81 Blaze +1, 83 Together TV, 89 ITV4 +1, 91 WildEarth, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 30 others

COM5
ArqA
 H max
C33 (570.0MHz)591mDTG-8100,000W
Channel icons
11 Sky Mix, 17 Really, 19 Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 Drama +1, 65 That's TV 2, 70 Quest +1, 74 Yesterday +1, 75 That's 90s, 233 Sky News, plus 11 others

COM6
ArqB
 H max
C36 (594.0MHz)591mDTG-8100,000W
Channel icons
12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! romance, 56 That's TV (UK), 61 GREAT! movies extra, 63 GREAT! romance mix, 71 That’s 60s, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 others

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

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
Wednesday, 28 March 2012
T
Tracy Gill
3:49 PM
Shepton Mallet

retuned at 1pm and now have ALL channels again. Brilliant.

link to this comment
Tracy Gill's 17 posts GB flag
Tracy's: mapT's Freeview map terrainT's terrain plot wavesT's frequency data T's Freeview Detailed Coverage
M
Malcolm Brooks
5:04 PM

Have retuned my TV but am now missing transponder 56 from Mendip - all the others are picking up the correct channels aside from 56

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Malcolm Brooks's 3 posts GB flag
K
Keith S
5:25 PM

My experience of retuning a HUMAX PVR may be of some help to others whose retuning efforts results in 'loss of TV channels'.
After MUX changes [ie. as of Wed 28 March on MENDIP] - the PVR does not 'delete to old channel info', and even though the new MUX channels are 'correctly tuned' the PVR remembers the 'old info' - ie. selecting FREEVIEW 82 SKY NEWS - results in a 'no or weak signal' display, etc ad infinitum!!
The solution: merely disconnect the antenna, do an automatic retune [magically this deletes old tuning info], then reconnect the antenna and perform an auto or manual retune. [The above is not in the PVR manual [or if it is I couldn't find it]]


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Keith S's 2 posts GB flag
J
jb38
sentiment_very_satisfiedPlatinum

5:28 PM

Malcolm Brooks: You should try manually tuning it in, that is if your TV allows manual tuning to be carried out as some devices don't.

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jb38's 7,179 posts GB flag
N
Nige
9:05 PM
Bristol

Are the channel lists for ArqA and ArqB above correct? I am seeing them on the other way around; Yesterday on ArqA and PickTV on ArqB.

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Nige's 4 posts GB flag
Nige's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
N
Nige
9:11 PM
Bristol

... or the frequencies above are wrong.

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Nige's 4 posts GB flag
Nige's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
C
Chris.SE
sentiment_satisfiedSilver

10:22 PM

Briantist: Could you please correct the listings above both in the MUX listings and in the Transmission frequencies After Wednesday 7th April 2010 sections -
COM5/Arq A is on C56 and COM6/Arq B is on C52.

The After switchover frequency notes (lower down) are correct however.

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Chris.SE's 251 posts GB flag
C
Chris.SE
sentiment_satisfiedSilver

10:37 PM

Everyone, to clarify Arq A (COM5) moved from C67 to C56 today. Arq B was and remains on C52.
Both these MUXes also had a power up as did SDN (C48).
All Muxes from Mendip are now on 100kW.
For the more technical - there have been Mode changes for Arq B and SDN. All COM muxes at Mendip are now using FEC 3/4.

In 2013 (exact date TBC) BBCA/PSB1 Mendip moves from C61 to C49. This is NOT part of DSO, but clearance of the 800Mhz band (C61 and above)for 4G Mobile services.

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Chris.SE's 251 posts GB flag
Thursday, 29 March 2012
M
Malcolm Brooks
4:19 PM
Bristol

Hi JB38

TV allows for manual tune - all other frequencies are 100% - Just 56 that shows a big fat zero. Mendip shows that there is some maintenance going on for one week leaving a weak signal, maybe that is it?

link to this comment
Malcolm Brooks's 3 posts GB flag
Malcolm's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Friday, 30 March 2012
J
jb38
sentiment_very_satisfiedPlatinum

7:20 AM

Malcolm Brooks: Well that possibility always exists as general warnings of a weak signal have been published, although should this be applying then when you go into the manual tuning menu on most devices as soon as you enter the channel number you intend to scan into the box provided the signal strength its being received at will immediately appear before you scan it, so does nothing show when you are at the pre-scan stage?




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jb38's 7,179 posts GB flag
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