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?

Briantist

_{sentiment_very_satisfied}Owner

9:27 PM

Me: There's more at ITV1+1, ITV1HD, BBC One HD regional services on Freeview | ukfree.tv - independent free digital TV advice .

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Briantist's 38,915 posts GB flag

L

Lynne Smith
7:39 PM

My problem is i'm picking up the local () on both my tv's upstairs,but i'm getting the Welsh ones downstairs!How is this possible? Thanks in advance

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Lynne Smith's 1 post GB flag

B

bruce

_{sentiment_satisfied}Bronze

8:09 PM

repeater is transmitting a limited number of , are there plans for the repeater to become fully functional or will user in this and similar areas always be the poor relations?

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bruce's 57 posts GB flag

Briantist

_{sentiment_very_satisfied}Owner

7:50 AM

bruce: No. In fact quite the opposite, the plans specifically disallow the possibility of the "full " service extending beyond the main 80 transmitters. If you want more , try - see Compare Freeview Light and Freesat TV | ukfree.tv - independent free digital TV advice .

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Briantist's 38,915 posts GB flag

Briantist

_{sentiment_very_satisfied}Owner

9:11 AM

Lynne Smith: Please see Digital Region Overlap | ukfree.tv - independent free digital TV advice .

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Briantist's 38,915 posts GB flag

J

jason carter
10:46 AM
Bath

hi, i have been having issues on various e.g film4,viva etc from Peasedown st.john postcode ba2 8aa. the is at 237 degrees from centre of this postcode so popped up into to check out allignment which was way off (about 200 degrees) so have realigned it. however the aerial itself looks ancient and very basic plus have 2 feeds coming off aerial with bare ends of coax attached to 2 screws on top of level with aerial "branches"! all looks very diy to me! also tried splitting signal in lounge to incorporate ps3 Playtv and signal even worse so have ordered plug in signal with necessary m/f bits-will this please? finally tv in bedroom runs off other access point in lounge but is 6m cable length away so have to have 4m+2m coax joined-will 10m cable improve the signal strength in there too or is my issue in the loft? there are 2 huge trees outside too 10m and 30m respectively so hoping the 237 degree angle of aerial points between them (which i think it does on checking!) help as have just spent alot of money on new tv set up etc!

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jason carter's 2 posts GB flag

jason's: ...

J

jason carter
3:52 PM

can anyone tell me what would be the best type of for peasedown st.john postcode ba2 8aa? the existing one is very basic with 2 coax cables attached to the screws where the top of the joins with the aerial ( i presume this is normal?) but the whole set up looks old and shabby. also can anyone recommend if i would need to some type of /splitter either plug in or passive as the strength is below 75%. thanks in advance.

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jason carter's 2 posts GB flag

M

Mike Dimmick

_{sentiment_very_satisfied}Platinum

5:09 PM

jason carter: I'd suggest using a Log40 - Online TV FM DAB Aerial sales . See Loft and indoor aerial installations for TV, FM and DAB for thoughts on fitting - also see http://wrightsaerials.tv/….pdf .

I would strongly recommend *not* using a . The strength meters on most boxes are completely useless, not being calibrated to anything sensible, and you could well have too *much* signal, not too little. If you're having problems, and you already have a booster, try removing it. If that doesn't, try adding an attenuator.

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Mike Dimmick's 2,486 posts GB flag

J

Jim F

_{sentiment_satisfied}Silver

10:16 PM

jason carter: Two coax cables attached to one is not normal or recommended (the mismatch will give significant loss).
Use one coax from the aerial to feed a passive two way (or however many ways you need) splitter. That will maintain the 75 ohm match and minimise your signal loss.
At around 16km from , you don't need a big aerial - though signal loss through tiles can vary substantially. Mendip is group C/D (and stays that way after the retune event on 28th September), so either a C/D aerial or a should work fine.
Signal strength readings can be a combination of strength (power) and - its the quality that matters more than the power

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Jim F's 141 posts GB flag

P

PETER
9:48 PM

I have found that a logpereodic antena is the best solution in 90% of recption problems.Its not the amount of that is received but how clean the signal is in to the tv . You can get a good on low signal as long as the signal is clean. Most rigers will do a good job.

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PETER's 1 post GB flag

Page 32

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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