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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.

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 19/09/2022 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-3100,000W
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, 250 BBC Red Button, plus 16 others

PSB2
D3+4
 H max
C34 (578.0MHz)591mDTG-3100,000W
Channel icons
3 ITV (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, 30 E4 +1, 35 ITV +1 (West),

PSB3
BBCB
 H max
C35 (586.0MHz)591mDTG-6100,000W
Channel icons
56 5SELECT, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 109 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

COM4
SDN
 H max
C48 (690.0MHz)591mDTG-8100,000W
Channel icons
12 Quest, 20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 41 Legend, 42 GREAT! movies action, 46 Channel 5 +1, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 74 Dave ja vu, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 203 CITV, 208 POP MAX, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 15 others

COM5
ArqA
 H max
C33 (570.0MHz)591mDTG-8100,000W
Channel icons
11 Sky Arts, 17 Really, 19 Dave, 31 E4 Extra, 36 pick, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 57 Smithsonian Channel, 60 Drama +1, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 8 others

COM6
ArqB
 H max
C36 (594.0MHz)591mDTG-8100,000W
Channel icons
 FreeSports, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 71 Quest Red +1, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 88 Classic Hits, 235 Aljazeera English, plus 19 others

LBS
 H -10dB
C51 (714.0MHz)591mDTG-1210,000W
Channel icons
from 22nd September 2014: 7 Made in Bristol,

com7
 H -1.4dB
C55 (746.0MHz)591mDTG-672,400W
Channel icons


DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
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, 16 January 2019
Transmitter engineering
sentiment_very_satisfiedOwner

8:31 AM

MENDIP transmitter - Freeview: BBC Digital TV Off Air; DSO related from 00:19 today to 03:19 today, HD Digital TV Off Air; DSO related from 00:19 today to 03:19 today. [BBC]

link to this comment
Transmitter engineering's 138,029 posts xx
Z
Zoi
3:34 PM

As a member of the public, it was very annoying last night to suddenly find the programme I was watching just interrupted and advised that I had no channels. It would have been so much better if a message could have been put up stating that there was maintenance work going on on the Mendip transmitter. We spent too long trying to retune several TV's when it was not necessary. Blasted annoying and not keeping Joe Public advised

link to this comment
Zoi's 1 post GB
MikeP
sentiment_very_satisfiedPlatinum

5:24 PM

Zoi:

Make your comments to the operators of the transmitter, Arqiva. They can be contacted by lkooking at Contact Arqiva General Enquiries, Sales, Press and Media

This website has no connection with any broadcaster not operator.



link to this comment
MikeP's 3,056 posts GB
Thursday, 17 January 2019
Transmitter engineering
sentiment_very_satisfiedOwner

4:30 AM

MENDIP transmitter - Freeview: BBC Digital TV Off Air; DSO related from 00:19 yesterday to 03:19 yesterday, HD Digital TV Off Air; DSO related from 00:19 yesterday to 03:19 yesterday. [BBC]

link to this comment
Transmitter engineering's 138,029 posts xx
C
Chris.SE
sentiment_very_satisfiedPlatinum

4:36 AM

Zoi: (and others)

I agree with you it is very annoying when this happens (even when you know it can/will). Unless you complain to the operator as MikerP has suggested, nothing will change! The muxes all came back shortly before 0330.

Advice to you and everyone, re-tuning should ALWAYS be the LAST RESORT and only then if you have checked all else.
If you have lost signal to more than one set then retuning should NOT be carried out (unless you know a transmitter re-tune event has occurred and they are usually messaged on-screen days before the event and can be checked on-line).

IF you seem to have lost signal, the first check to see if ALL channels/muxes have lost signal. If some are still being received, this reduces the chances it might be your aerial system or connections, BUT movements in aerial and bad connections can sometimes have this effect. Use your set tuning system (where possible) to check the strength and quality of the signals you are receiving, if they are normal, then check for transmitter maintenance or faults. Also plug out and in any aerial connectors/flyleads which may help if there's a "dirty" connection. Also consider swapping/replacing a flylead in case it's gone faulty - it can happen.

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Chris.SE's 3,090 posts GB
Friday, 18 January 2019
Transmitter engineering
sentiment_very_satisfiedOwner

4:30 AM

MENDIP transmitter - Freeview: BBC Digital TV Off Air; DSO related from 00:19 on 16 Jan to 03:19 on 16 Jan, HD Digital TV Off Air; DSO related from 00:19 on 16 Jan to 03:19 on 16 Jan. [BBC]

link to this comment
Transmitter engineering's 138,029 posts xx
Tuesday, 12 February 2019
A
AntD
8:12 PM

I'm on the Mendip Transmitter.
Freeview
The last 2 or 3 weeks I've noticed that when using the series link for BBC 2 HD Newsnight, the start and finish signal is not sent anymore.
The end of the programme is now missed.
Any idea if there is a problem somewhere?

link to this comment
AntD's 4 posts US
Friday, 15 February 2019
R
Robert
8:46 AM

Cant receive C32 and C34 since last night. All channels on these frequencies have disappeared. Have tried retuning and there's no signal quality.

link to this comment
Robert's 1 post GB
S
StevensOnln1
sentiment_very_satisfiedPlatinum

10:27 AM

Robert: According to Digital UK, UHF channels 32 and 34 are not currently used by Mendip. PSB1 will move to UHF C32 on 4th April and PSB2 will move to C34 on 5th June. Are these the multiplexes that you've lost? They are currently still on C49 and C54 (retuning was a bad idea as you've now lost the tuning data for these muxes when they were previously correctly tuned). Have you checked for any loose or damaged cables or connections behind your TV?

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StevensOnln1's 3,376 posts GB
Tuesday, 19 February 2019
C
Chris.SE
sentiment_very_satisfiedPlatinum

8:32 PM

AntD:

This maybe a question best address to BBC Engineering, try 03700 100 123 as it seems no-one has come up with some ideas.

link to this comment
Chris.SE's 3,090 posts GB
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