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Full Freeview on the Mendip (Somerset, England) transmitter

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

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 29/05/2023 Pixelation or flickering on some or all channels

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.

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, 250 BBC Red Button, plus 16 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, 30 E4 +1, 35 ITV1 +1 (West),
PSB3 BBCB	H max	C35 (586.0MHz)	591m	DTG-	100,000W
	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 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, 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 Player, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 15 others
COM5 ArqA	H max	C33 (570.0MHz)	591m	DTG-8	100,000W
	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)	591m	DTG-8	100,000W
	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)	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 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?

Comments

Wednesday, 19 September 2012

Valerie Sweet
8:33 AM

I have been getting a message today from lunchtime to retune. How do I do this on the reflector/ please?

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Valerie Sweet's 1 post

Sunday, 23 September 2012

Chris.SE

_{sentiment_satisfied}Silver

5:55 AM

Valerie Sweet: The easiest way do do this (whatever your )is a full factory reset using the reset procedure (there is a link below these posts).
If you are only able to receive the this should be straight forward. If however you can also up and have problems with the Welsh BBC1/2 and ITV1 in the wrong locations, you would be best doing a manual tune when you get to step 7. If you are having problems with this, try posting on the Hutton transmitter page.

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Chris.SE's 251 posts

Chris.SE

_{sentiment_satisfied}Silver

6:10 AM

nige burr: In your location you should have no problem with either from ( rods horizontal pointing South) or from Kings Weston (aerial rods vertical pointing ).
As you say how can you get BBC "back" on your boxes, I assume that you could get them previously. If a full reset using the procedure in the link below does not solve the problem, then you may have some sort of (or have altered something in you set up?) so try using the other links below these posts.

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Chris.SE's 251 posts

Thursday, 4 October 2012

Stan
2:55 PM

I have a which would always give the Welsh programmes preference. I now know why. With an 'auto ' I am scanning CH41 & CH44 first and getting an acceptable from (as I live between the & Wenvoe Transmitters). I have at last resolved the issue by doing a manual scan of CH61,CH54,CH48,CH52 & CH56 following a first time to clear all pre selected . My equipment does not support HD so I did not need to instal CH58.

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Stan's 1 post

Monday, 22 October 2012

Alex Beaujean
5:14 PM

I live in north Cardiff, and am the 'wrong side of the hill' to receive transmissions from . The Mendips gives the best , so need to fit an appropriate . I guesss we are about 30 miles or so direct line of sight to the transmitter - should I fit a yagi type CD, a yagi type E or would a log40 broadband do the job?

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Alex Beaujean's 1 post

jb38

_{sentiment_very_satisfied}Platinum

5:33 PM

Alex Beaujean: Where the of TV is concerned then very few places exist in the UK where a Log 40 (or even a DM log) would not be suffice.

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jb38's 7,179 posts

Monday, 12 November 2012

Chris.SE

_{sentiment_satisfied}Silver

9:17 AM

:
Hi Brian, I'm a bit confused. You said elsewhere that you'd amended the database for , but ArqA is still showing as here and ArqB as when they should be the other way around ie. ArqA is on C56 & ArqB is on C52.

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Chris.SE's 251 posts

Briantist

_{sentiment_very_satisfied}Owner

1:14 PM

Chris.SE: The page cache needed clearing... it is showing correctly now.

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Briantist's 38,844 posts

Monday, 19 November 2012

David Rowe
2:29 PM
Westbury

I was experiencing poor on BBC Programmes (ecept when on HD Channals. The problem is Auto Setup gets me tuned in to The rather than Medip - resulting in Welsh local News etc rather than . How do I do a Manual Retune ?

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David Rowe's 2 posts

Sunday, 25 November 2012

Chris.SE

_{sentiment_satisfied}Silver

9:37 PM

David Rowe: Follow the reset procedure with the link at the bottom of the page, then do a manual , one ata time using the following UHF numbers -
CH61,CH54,CH48,CH52 & CH56 . If you have HD then also .

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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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