Full Freeview on the Mendip (Somerset, England) transmitter

Brian Butterworth first published this on 1st May 2004 at 08:20 - UK Free TV

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51.237,-2.626 or 51°14'12"N 2°37'33"W

BA5 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.

Mux	H/V	Frequency	Height	Mode	Watts
PSB1 BBCA	H max	C32 (562.0MHz)	591m	DTG-	100,000W
	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)	591m	DTG-	100,000W
	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), 71 That’s 60s,
PSB3 BBCB	H max	C35 (586.0MHz)	591m	DTG-	100,000W
	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 66 TBN UK,
COM4 SDN	H max	C48 (690.0MHz)	591m	DTG-8	100,000W
	20 U&Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 U&Dave ja vu, 58 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 81 Blaze +1, 83 Together TV, 91 WildEarth, 93 ITVBe +1, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 251 Al Jazeera English, 255 FRANCE 24 (in English), 265 Rok Sky +1, plus 29 others
COM5 ArqA	H max	C33 (570.0MHz)	591m	DTG-8	100,000W
	11 Sky Mix, 17 Really, 19 U&Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 U&Drama +1, 65 That's TV 2, 70 Quest +1, 74 &UYesterday +1, 76 That's TV 2 MCR, 233 Sky News, plus 13 others
COM6 ArqB	H max	C36 (594.0MHz)	591m	DTG-8	100,000W
	12 Quest, 25 U&W, 27 U&Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 63 GREAT! romance mix, 73 HobbyMaker, 75 That's 90s, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 others
LBS	H -10dB	C30 (546.0MHz)	591m	DTG-12	10,000W
	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?

BBC Points West 0.9m homes 3.4%
from Bristol BS8 2LR, 25km north (3°)
to BBC West region - 60 masts.

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?

Cheddar	Transposer	15 km E Weston-super-Mare	1674 homes
Luccombe	Active deflector	6 km w Minehead	38 homes

How will the Mendip (Somerset, England) transmission frequencies change over time?

	1984-97	1997-98	1998-2010	2010-13	2013-18	2013-17	27 Feb 2018
	C/D E	E	E	C/D E	C/D E T	W T	W T
C30							_local
C32							BBCA
C33						com7	com7
C34							D3+4
C35						com8	com8
C36							ArqB
C37		C5_waves	C5_waves
C48				SDN	SDN	SDN	SDN
C49_{tv_off}					BBCA	BBCA
C51_{tv_off}						LBS	LBS
C52_{tv_off}				ArqB	ArqB	ArqB
C54_{tv_off}	C4_waves	C4_waves	C4_waves	D3+4	D3+4	D3+4
C55_{tv_off}							com7_{tv_off}
C56_{tv_off}				ArqA	ArqA	ArqA	COM8_{tv_off}
C58_{tv_off}	BBC1_waves	BBC1_waves	BBC1_waves	BBCB	BBCB	BBCB
C61	ITV_waves	ITV_waves	ITV_waves	BBCA
C64	BBC2_waves	BBC2_waves	BBC2_waves

_{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

Local transmitter maps

Mendip Freeview Mendip DAB Mendip AM/FM Mendip TV region BBC West West

Which companies have run the Channel 3 services in the Mendip transmitter area

Jan 1958-Jul 1968	Television Wales and the West
Jul 1968-Feb 2004	Harlech Television
Feb 2004-Dec 2014	ITV plc

Feb 1983-Dec 1992	TV-am•
Jan 1993-Sep 2010	GMTV•
Sep 2010-Dec 2014	ITV 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.

Is the transmitter output the same in all directions?

C

Chris.SE

_{sentiment_very_satisfied}Platinum

7:55 AM
Salisbury

David: Have you noticed any degradation at all in the / for the main HD (BBC B mux) - BBC, ITV etc? This is on from .
Sky News etc is on the Arq A (Com5) mux on . If you are also seeing some degradation of those HD channels, then I'd start suspecting some issues with damp/water in the connections or the coax which will start affecting the higher channels first.

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Chris.SE's 4,393 posts GB flag

Chris.SE's: C's Freeview map C's terrain plot C's frequency data C's Freeview Detailed Coverage

D

David

_{sentiment_satisfied}Bronze

10:23 AM

Thanks Chris, all HD have strong . MikeP, I have some signal attenuators which I'll try again. Thankyou.

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David's 25 posts GB flag

T

Tim
5:25 PM

David, there is an outside chance you are seeing co-channel from the transmitter, which reuses UHF 52 and 56, the ones you are having problems with. The transmitter is more or less behind from your location though much more distant. You may be able to confirm this by getting your equipment into a portable state and testing it from a location where Huntshaw Cross is not in the frame to see if it behaves the same. Neighbours are likely to be suffering the same issue.

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Tim's 8 posts GB flag

A

alan swinburne
6:54 AM

This Morning (Friday 20th April) at 6:30 am:
All the PSB2 MUX (ITV) have suddenly disappeared from the box and yet there is no planned maintenance from the page.
Anyboby else have this problem?

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alan swinburne's 1 post GB flag

D

Dave
3:19 PM

Used to get Dave and Challenge ( 12 and 46) very well until recently. the last few days. Post code TA24 near Williton .
Not a techie, so any ideas please and anyone else experiencing this? Only the last 10 days or less. Before, it was very good.

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Dave's 12 posts GB flag

G

GEM
1:41 PM

I'm in Sturminster and our on has been difficult (not available or breaking up both TV and radio) but it's usual with this weather.

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GEM's 14 posts GB flag

M

MikeB

_{sentiment_very_satisfied}Platinum

3:13 PM

GEM: We need a postcode to know what your should normally be like, but weather shouldn't normally be a factor in the breakup of your TV signal.

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MikeB's 2,579 posts GB flag

M

Martin B
2:57 PM

I cannot receive CITV on channel 122. Retuned chan 48 Com 4 but still no CITV. Get the message No Service. All other fine.

Does anyone know what's going on?

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Martin B's 6 posts GB flag

R

Richard Cooper

_{sentiment_satisfied}Gold

10:53 AM
Norwich

GEM: As I mentioned in my post replying to Nick Anderson, high atmospheric pressure can indeed affect television (DTT OR '') television and if everything such as your (type & condition), aerial alignment, aerial (type and length) and connectors have all been checked, and you have also carried out a 'first time installation' retune recently, then you have done all you can, and you simply have to wait until the weather changes and you have low atmospheric pressure again. If you are using the , make sure you are using a group E or a aerial, horizontally polarised.Also check whether there are many 4G phone masts close to your location. If there are you may need a 4G filter. You can get them free via the at800 website. the info I've provided here will you. Richard, Norwich, 2nd June 2016.

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Richard Cooper's 471 posts GB flag

Richard's: R's Freeview map R's terrain plot R's frequency data R's Freeview Detailed Coverage

R

Richard Cooper

_{sentiment_satisfied}Gold

11:06 AM
Norwich

Martin B: Hi Martin B. There are no faults or work taking place at the at the moment and CITV is currently transmitting, "The Dawn of Morphos (Part 2), which looks very exciting! You could watch it live on the itv hub instead of getting it from . Your Freeview may be marred due to high atmospheric pressure, which is dominant across southern UK at present! this helps, Richard, Norwich, 11:05 on Thursday 2nd June 2016.

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Richard Cooper's 471 posts GB flag

Richard's: R's Freeview map R's terrain plot R's frequency data R's Freeview Detailed Coverage

Page 141

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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