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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 04/12/2023 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),

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 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)591mDTG-8100,000W
Channel icons
 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)591mDTG-8100,000W
Channel icons
 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)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
Wednesday, 25 January 2023
C
Chris.SE
sentiment_very_satisfiedPlatinum

5:54 PM

bruce tearle:

I'm sure StevensOnln1 will continue to help with your Humax issues (I dont' have one so can't), but I thought it worth commenting on terminology to avoid any confusion.

ITVX is not transmitted, it is not a Freeview "channel". It is a "streamed" service like iPlayer, All4 or My5 and many others you'll find on a Smart TV or Box that has an internet connection.
ITVX will not work on some boxes or TV's with older technology but All4 should continue to work at present as far as I know.

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Chris.SE's 3,929 posts GB flag
Friday, 27 January 2023
B
bruce tearle
sentiment_satisfiedBronze

9:19 AM

I-player is working fine as is Channel 5 and all of UKTV.

Bruce

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bruce tearle's 53 posts GB flag
S
StevensOnln1
sentiment_very_satisfiedPlatinum

10:49 AM

bruce tearle: I can't find anything on Google about any issues with All4 on your box. I only have a Humax Freesat box, which All4 was removed from several years ago, so can't check for any similar issues here. I take it your Samsung TV doesn't have the All4 app? My 2016 Samsung 40" got the update to ITVX so presumably yours is an older model. I think your best option is probably to contact Channel 4 Viewer Enquiries via the email address or phone number at the link below and explain what you've told us to see if they have a solution (please come back and let us know how if they manage to solve it).

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StevensOnln1's 3,568 posts GB flag
C
Chris.SE
sentiment_very_satisfiedPlatinum

12:59 PM

StevensOnln1:

As a slight aside, this page gives a list of devices that should get ITVX, updated periodically.
https://support.itv.com/e…LbSi

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Chris.SE's 3,929 posts GB flag
S
StevensOnln1
sentiment_very_satisfiedPlatinum

3:00 PM

Chris.SE: Thanks, that list should come in handy.

bruce tearle: The Channel 4 contact link seems to be missing from my reply this morning, it is:

Contact us | Channel 4

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StevensOnln1's 3,568 posts GB flag
B
bruce tearle
sentiment_satisfiedBronze

4:26 PM

have e-mailed Channel 4 but no response as yet.

connected my laptop via HDMI link and had not trouble getting channel 4.

It's frustrating because the HUMAX/Sansung combination did work in the past. just can't think what I could have changed that is causing the problem.

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bruce tearle's 53 posts GB flag
Wednesday, 3 May 2023
M
Mrs. Pocock
3:51 PM

What airel would I need if I have a tv on dunster beach chalet to get your reception

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Mrs. Pocock's 1 post GB flag
S
StevensOnln1
sentiment_very_satisfiedPlatinum

5:26 PM

Mrs. Pocock : We need a full postcode to see the predicted coverage at your location. Also, please note that the contributors to this website are all volunteers who have no connection with any broadcaster or the company running the transmitters.

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StevensOnln1's 3,568 posts GB flag
C
Chris.SE
sentiment_very_satisfiedPlatinum

7:14 PM

Mrs. Pocock :

Personally I wouldn't use any washing powder to receive Freeview :)

I've managed to find a postcode for that beach area.
You'd need a Group K aerial.
Whilst there are some local relay transmitters, they won't give you all the channels and signals will be a bit unreliable down there on the beach.
You should be able to get good signals from the main Mendip transmitter (West local news) or Wenvoe (Welsh local news). Wenvoe signals should be stronger.

Considering that you are likely to have problems with seagulls (and maybe other birds) perching on aerials and causing damage, you need something fairly sturdy.
I would tend to go for something like this Blake Log Periodic -
56 Element Log Periodic Group K Aerial - Blake UK

You'll also need a suitable pole and bracket to secure the pole to the chalet.
The aerial should be mounted with the rods horizontal. You'll need an F connector to connect to the aerial and some double screened cable similar to CT100. And of course a coax plug for the TV end as well as someone who is competent at fitting the plugs etc.

The aerial should point at Compass bearing 86 degrees (that's almost due E) for Mendip 57km away.
Or pointing at Comp[ass bearing 20 degrees (that's almost NNE) for Wenvoe.


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Chris.SE's 3,929 posts GB flag
Thursday, 11 May 2023
Transmitter engineering
sentiment_very_satisfiedOwner

1:09 PM

MENDIP transmitter - DAB: Slightly reduced power due to essential engineering from 11 May 11:15 until 11 May 11:20. . [BBC]

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Transmitter engineering's 146,816 posts GB flag
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