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Full Freeview on the Mendip (Somerset, England) transmitter

first published this on - UK Free TV
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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.

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), 71 That’s 60s,

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 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)591mDTG-8100,000W
Channel icons
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)591mDTG-8100,000W
Channel icons
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)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
Saturday, 10 September 2011
K
KMJ,Derby
sentiment_satisfiedGold

10:41 PM

Pete Green: On 28th March 2012 MuxA/SDN changes mode from 2k to 8k(at high power). Although the frequency remains the same you will still need to retune in order to view this mux after the change takes place.

link to this comment
KMJ,Derby's 1,811 posts GB flag
Sunday, 11 September 2011
P
Pete Green
sentiment_satisfiedBronze

10:27 AM

KMJ,Derby: Thank you. I've learned a bit more about how things work.

link to this comment
Pete Green's 54 posts GB flag
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

12:07 PM

KMJ,Derby: The Digital UK Almanac is showing a change that is not yet in the postcode checker. ArqA will now be moving to C67 (taking over from ArqB) on 28 September. The final channel adopted on 28 March 2012 is now shown as 'TBC'.

http://www.digitaluk.co.u….pdf

This document was republished only a day after its initial release, which did show the same information as the postcode checker.

I assume this is to do with the 800MHz clearance, making space for BBC A to move to a different channel.

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Mike Dimmick's 2,486 posts GB flag
Monday, 12 September 2011
K
KMJ,Derby
sentiment_satisfiedGold

9:26 PM

Mike Dimmick: Thanks for the info. The postcode checker is usually correct in such matters. I wonder if there were concerns about C56 usage possibly causing interference to the signal from Salisbury.

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KMJ,Derby's 1,811 posts GB flag
Tuesday, 13 September 2011
C
colin armstrong
4:50 PM

Hi,

I suspect that I am being a Muppet but where do I find the frequency for a particular freeview channel??

I want to do a manual tune for, say, film 4. I can see that film 4 is mux ARQB but try as I might I can not ascertain the actual frequncy.

Any help greatly appreciated

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colin armstrong's 2 posts GB flag
C
colin armstrong
5:26 PM
Bristol

Hi,
BS36 2hp

I have read and reread the articles re tuning and I want to do a manual tune. However my set asks for a frequency rather than a channel number. Where do i find a listing that cross references channels to frequncies?

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colin armstrong's 2 posts GB flag
colin's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
Briantist
sentiment_very_satisfiedOwner

7:02 PM

colin armstrong: At the top of the page

"COM6 ArqB - as a digital multiplex transmitted on frequency C67 (842.0MHz)"

One for each Mux.

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Briantist's 38,915 posts GB flag
R
Rune
9:01 PM
Swindon

Any idea when the channels currently transmitting @ 10000 will be increased?

link to this comment
Rune's 4 posts GB flag
Rune's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data R's Freeview Detailed Coverage
Briantist
sentiment_very_satisfiedOwner

10:24 PM

Rune: From above:

Mendip SDN and Arqiva A will temporarily operate on channels 62+ and 56+ respectively (both at 10kW ERP) until September 2011. Final DSO channels will then be adopted, though ERP levels will remain limited until early 2012. Arqiva B will operate on channel 59+ (10kW ERP) until January 2011, when it will move to channel 67 at 26kW ERP until September 2011. Arqiva B's final DSO channel will then be adopted, though ERP will remain limited until early 2012.
ArqA increases from 10kW to 12.5kW on 28 September (changes to 64QAM mode and loses its current +167kHz offset.

link to this comment
Briantist's 38,915 posts GB flag
Briantist
sentiment_very_satisfiedOwner

10:26 PM

From Switchover events September- December 2011 | ukfree.tv - independent free digital TV advice - 28th September Mendip - MuxA on C62 becomes SDN on C48 (final due to Oxford end), Mux C on C56 becomes ArqA on C67 (moves again 28 Match 2012), ArqB moves from C67 to C52 (final due to Oxford end).


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Briantist's 38,915 posts GB flag
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