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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

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.

 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

 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),

 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

 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 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 78 TCC, 81 Blaze +1, 83 Together TV, 91 WildEarth, 93 ITVBe +1, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 30 others

 H max
C33 (570.0MHz)591mDTG-8100,000W
Channel icons
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 TV 2, 70 Quest +1, 74 Yesterday +1, 75 That's 90s, 233 Sky News, plus 11 others

 H max
C36 (594.0MHz)591mDTG-8100,000W
Channel icons
12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! romance, 56 That's TV (UK), 63 GREAT! romance mix, 71 That’s 60s, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 others

 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
C49tv_off BBCABBCA

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.

Wednesday, 27 March 2013
8:18 PM

OK thanks for trying Dave.

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Stuart's 5 posts GB flag
John Crabb
8:48 PM

I receive from the Mendip mast. This evening I have tried to retune BBC A to C49 but no channels are found. I have lost BBC1,2,3 and 4. I have followed all manual tuning instructions, is C49 more difficult to receive than the old C61?

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John Crabb's 10 posts GB flag
Tony Ellis
10:12 PM

@Dave Lindsay: we lost those channels sometime during the several retunes we've had to do over the past 2 weeks since this business started. I naively assumed we'd get them back today.

Tried the manual tunes you suggested but couldn't find anything - thanks anyway. Would still like to know what has actually gone wrong.

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Tony Ellis's 3 posts GB flag
Tony's: mapT's Freeview map terrainT's terrain plot wavesT's frequency data T's Freeview Detailed Coverage
Dave Lindsay

10:32 PM

Tony Ellis: Refer to this list of services by multiplex:

DTG :: DTT Services by Multiplex

The Public Service (PSB) channels broadcast from all transmitters that former analogue did, hence it has the same coverage. The Commercial (COM) channels, which are those you're not getting, only broadcast from the largest, by viewer population, transmitters.

Bath has its own relay which is PSB-only. Thus, anyone who uses it won't have the COMs. In some cases it may be possible to use Mendip instead, so as to receive PSBs+COMs.

The only thing I can but wonder is if your aerial faces the Bath relay, which is next to Bath Golf Club. Even thought it's vertical and pointing in the other direction, you were lucky and managed to pick up Mendip's COMs.

If so then maybe you need to pester your landlord, or whoever's responsible for the aerial system, to get them to change it to receive from Mendip.

Bring up the signal strength screen on BBC One. For Bath relay it will be tuned to C25 and C49 for Mendip. And for ITV it will be C28 for Bath and C54 for Mendip.

One final question: What are the retunes that you've had to do? Choose which transmitter you're using there haven't been any retunes until today.

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Dave Lindsay's 5,724 posts GB flag
Dave Lindsay

10:34 PM

John Crabb: Shouldn't be. If you're using a communal aerial then maybe it needs adjustment so as to let through the new channel.

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Dave Lindsay's 5,724 posts GB flag
10:44 PM

Dave Lindsay - Many thanks for reply. Apologies - I've only just seen it. Yes, I think we do have a communal aerial. Have tried manual retunes on 2 of our 3 TVs, but got nowhere. Lost all BBC - as well as ITV3, 5*, 5USA which we lost some time ago - on all of them. Don't suppose you can suggest any solutions? Thanks...
PS BBC R4 FM reception virtually nil here too! Do listen on laptop, but would prefer via Freeview.

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Alison's 5 posts GB flag
Dave Lindsay

11:22 PM

Alison: If the issue is with the aerial system then it's probably out of your hands and should be reported to the party responsible.

I asked if it is a communal aerial system because they are sometimes filtered so as to only let through (from the aerial) the channels/frequencies that are used by the transmitter.

Refer above under the heading "How the transmission frequencies change over time". Down the left-hand side are channels numbers and left to right is time (years). C49, BBCA (BBC standard definition services) has never been used before. C48, which is SDN (ITV3, 5*, 5USA etc) had never been used prior to switchover. If you lost COM4/SDN at switchover (Spring 2010!) then that might be because it is being filtered out and the aerial system hasn't been adjusted accordingly.

For a full list of Freeview services by multiplex, see:

DTG :: DTT Services by Multiplex

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Dave Lindsay's 5,724 posts GB flag
Thursday, 28 March 2013
8:43 AM

I retuned my tv last night which is plug into possible a comunnal ariel and have no C49 C48. However my second tv is corrently using a set top ariel didn't need a retune and has all channels
Have followed instructions on here and still can't find my BBC channels what will need to be to the communal ariel to sort this??

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Becky's 1 post GB flag
Tony Ellis
9:10 AM

@Dave Lindsay: thanks for your time. I think you're right, we were receiving the Mendip transmitter - certainly we had dozens of commercial channels. Will talk to our management company.

The retuning I mentioned: on Mar 15 I found we suddenly had interference on most channels. A retune fixed it. A few days later another was needed which I think is when we lost the COMs. I assumed it was all part of the ongoing reshuffle.

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Tony Ellis's 3 posts GB flag
9:33 AM

I retuned yesterday to C49, got all its channels at full strength and quality all day, even after switching off and on again... This morning (9.20am) they have all vanished - blank screens/"no signal" - though it still claims 10 for strength and quality on the tuner for C49. Other multiplexes okay. Has the maintenance work on PSB1 resumed?

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Jonathan's 6 posts GB flag
Jonathan's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
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