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Full Freeview on the Mendip (Somerset, England) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.237,-2.626 or 51°14'12"N 2°37'33"Wsa_postcodeBA5 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 04/11/2024 Pixelation or flickering on some or all channels Digital tick


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
Friday, 5 April 2019
A
Adrian Auton
12:38 PM

I normally get mendip but am having trouble getting BBC on C32.

I tried to scan C32 this morning (5-Apr-19) at about 7am but was not picking up anything.

I have a wideband aerial (Labgear Tri-Boom 470-860 MHz) which has served well until now.

I didnt have time to try C33 etc. I will try again tonight and update this post.

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Adrian Auton's 3 posts GB flag
I
Iain Davies
2:31 PM

This afternoon 5/4 ch 49 was still transmitting MUX A, have they realised that many people with old C/D aerials can't get ch 32?

link to this comment
Iain Davies's 11 posts GB flag
M
mymatenige
2:58 PM

It's still transmitting that MUX, but they've changed the LCNs to 751+.

link to this comment
mymatenige's 4 posts US flag
B
Brian
3:23 PM

What on earth is going on?? The BBC channels have disappeared from all my TVs and videos.
C32 has worked on some of my machines, but not others.
My old channel list was 48 49 52 54 58(HD) (and strill shown on wiki)
Above list shows 32 33 43 35 36 48(HD)
Something very wrong somewhere

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Brian's 4 posts GB flag
B
Brian
3:48 PM

Adrian Auton: c32 working for some of my machines, but not others.
Can't get BBC on my newish HUMAX, but can on my ancient PANASONIC VCRs.
But this site suggests that ALL the MENDIP channels have changed.
But they haven't.
Not today,anyway.
.
AS I said below, what's happening?

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Brian's 4 posts GB flag
T
Tony H
8:10 PM
Bristol

Only Mux A (ch 32) changed on Mendip Tx yesterday 4 April 2019. The others will change on 5 and 19 June - there are helpful details at https://www.digitaluk.co.…cker and https://www.freeview.co.u…ges. The channel info above has been incorrect for some time - it currently shows the 'final' position, probably 'cos it can't keep up with the ever-changing DTV saga in the West Country!

Hope this helps!


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Tony H's 1 post US flag
Tony's: mapT's Freeview map terrainT's terrain plot wavesT's frequency data T's Freeview Detailed Coverage
C
Chris.SE
sentiment_very_satisfiedPlatinum

9:10 PM

Iain Davies:

Of course they realise that some very old C/D aerials won't pick up C32 satisfactorily, but many will. And for those where the aerial is an issue, as long as they don't also have Cable and/or Satellite, they may be eligible for assistance with an aerial change as detailed on this page Important changes to Freeview TV signals | Freeview (which you could have mentioned!). Thanks to Tony H for mentioning the details again which have been posted several times on this board.

Brian:

As has been mentioned on previous posts on this board (if you scroll back a bit), there are retune events taking place this year for the eventual clearance of the 700 Mhz band. Did you not see any on-screen retune messages for this one? The link I've just posted (& previous ones) and those mentioned by Tony H provide the information. As of today the correct list is currently 32, 54, 58, 48, 56, 36, 33, 35 & 51 for the local mux, but 49 is still on air at present.

Brian: Adrian Auton: & Graham:
If you are still having trouble getting all the muxes tuned in on some devices, try a complete retune with the aerial unplugged to clear all the current tunings. Then reconnect the aerial and ideally do a manual tune for the UHF channels listed above to avoid any clashes with Wenvoe signals. Some devices will allow you to choose a region after an automatic scan where you are getting more than one transmitter.

For those still having problems with the lower UHF channels 32, 33 etc, then your aerial system may need upgrading to a T group or wideband, but check other things such as poor connections on all your connectors by unplugging them, check connections and plugging in again.

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Chris.SE's 4,345 posts GB flag
C
Chris.SE
sentiment_very_satisfiedPlatinum

9:17 PM

Tony H:

Brian Butterworth has posted elsewhere about the mostly "final" position listings showing on a lot of transmitter pages, and this is in part due to a bug in his code, but yes keeping up with all the changes across the country is no mean feat. But thanks anyway to Brain Butterworth for providing and hosting the site at no cost to us.

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Chris.SE's 4,345 posts GB flag
Saturday, 6 April 2019
B
Brian
10:00 AM

Chris.SE: The problem, I've taken 24 hours to work out, is simple:
C49 is still active, sending out guide info, and therefore won't allow c32 to overwrite it.
The Mendips transmitter needs to close down c49 soonest.
Who is in charge at Mendips?
To whom do I report this issue?
.
It also doesn't help that the channels shown here on ukfree are WRONG, as they haave yet to be changed, as Tony H says above. All very confusing and unhelpful.
Who is in charge of ukfree? It's usually been correct!

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Brian's 4 posts GB flag
A
Adrian
10:22 AM

All,

Thanks for all the useful posts. My problem was that I had an RF modulator using C32, interfering with BBC MUX! (oops). Removing that and rescanning the channels shown on digitaluk.co.uk resolved my issues.

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Adrian's 3 posts GB flag
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