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.

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 04/12/2023 Pixelation or flickering on some or all channels

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),
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 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, 89 ITV4 +1, 91 WildEarth, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 35 others
COM5 ArqA	H max	C33 (570.0MHz)	591m	DTG-8	100,000W
	Smithsonian Channel, 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 Christmas, 70 Quest +1, 74 Yesterday +1, 75 That's 90s, 233 Sky News, plus 11 others
COM6 ArqB	H max	C36 (594.0MHz)	591m	DTG-8	100,000W
	Quest Red +1, Classic Hits, 12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 61 GREAT! movies extra, 63 GREAT! christmas mix, 71 That’s 60s, 73 HobbyMaker, 82 Talking Pictures TV, 83 Together TV, 84 PBS America, 235 Al Jazeera Eng, plus 20 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?

P

Paul
10:48 PM
Swindon

HI been through the reset procedure on my mums Samsung TV which is about 2 years old there is no free veiw box so i think the tv has the freeveiw tuner built in it was working fine before event now no BBC
their postcode is Sn2 7Pr which is Swindon they live in community housing so the service is provided by landlord for all the tenants they have another tv in the bedroom which uses the same Ariel point and this receives all the after it was retuned I have done the reset procedure minus the Ariel lead unplug off wait 30 seconds power on scan again I removed the set in the bedroom from the point before starting and finishing procedure but to no avail the set did find BBC around 800 MHz but the was pixellated with no sound it used to show as channel 1 and channel 2 now the first Channel is number 3 but to no avail any ideas as their set seems to be the only one that's not picking up BBC

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Paul's 1 post GB flag

Paul's: ...

MikeP

_{sentiment_very_satisfied}Platinum

2:11 PM

Whilst it is often not advisable to diplex two aerials into a single feed there is another possible solution, one that I used when living in Swindon and could receive from and main transmitters. Both aerials were mounted on a good strong pole, thicker than is normally used, and each had a separate good downlead into the lounge by the TV set. They connected to a coaxial switch that had two inputs and one , so only one was connected at a time. Simply moving the manual switch allowed selection between sources. The switch has to be a good quality coaxial one and fully screened to avoid picking up and to maintain the integrity of the coaxial connections. It must be designed for 75 Ohm coaxial UHF systems, can be either IEC coax or F-connector but not BNC connectors. Works with all UHF TV signals with no problems if cables and connections are made properly. You'll need to search for one but avoid any 'automatic' ones.

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MikeP's 3,056 posts GB flag

P

Pete Green

_{sentiment_satisfied}Bronze

4:03 PM
Weston-super-mare

Please explain "Radio () working normally, no analogue radiio."

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Pete Green's 54 posts GB flag

Pete's: P's Freeview map P's terrain plot P's frequency data P's Freeview Detailed Coverage

Dave Lindsay

_{sentiment_very_satisfied}Platinum

4:13 PM

Pete Green: is a bot whose job is to scrape the information from official sources. In this case it is from UK, as the presence of its logo denotes.

The information comes from Digital UK's engineering page at:

www.digitaluk.co.uk/engineeringworks

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Dave Lindsay's 5,724 posts GB flag

P

Pete Green

_{sentiment_satisfied}Bronze

5:47 PM
Weston-super-mare

Dave Lindsay. I still don't understand the message whoever it comes from.

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Pete Green's 54 posts GB flag

Pete's: P's Freeview map P's terrain plot P's frequency data P's Freeview Detailed Coverage

Dave Lindsay

_{sentiment_very_satisfied}Platinum

6:51 PM

Pete Green: I suspect that this the "no radio" bit might be a bug in the program that takes the information from its source. I have e-mailed the site owner to make him aware of it.

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Dave Lindsay's 5,724 posts GB flag

J

jb38

_{sentiment_very_satisfied}Platinum

8:06 PM

Pete Green: is referring to its FM transmissions.

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jb38's 7,179 posts GB flag

P

Pete Green

_{sentiment_satisfied}Bronze

10:58 AM
Weston-super-mare

Dave Lindsay

Your e-mail seemed to have worked. now chaged to Digital.Thank you.

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Pete Green's 54 posts GB flag

Pete's: P's Freeview map P's terrain plot P's frequency data P's Freeview Detailed Coverage

Dave Lindsay

_{sentiment_very_satisfied}Platinum

11:03 AM

Pete Green: The site owner said it was a bug and that it has been fixed.

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Dave Lindsay's 5,724 posts GB flag

D

Dave
10:34 PM

ITV HD from , and in fact from all West and transmitters, is ITV Central West HD not Meridian South HD as stated in these Pages.

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Dave's 7 posts GB flag

Page 105

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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