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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, 250 BBC Red Button, plus 16 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, 30 E4 +1, 35 ITV1 +1 (West),

PSB3
BBCB
 H max
C35 (586.0MHz)591mDTG-100,000W
Channel icons
56 5SELECT, 101 BBC One HD (England no regional news), 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, 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
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 14 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 9 others

COM6
ArqB
 H max
C36 (594.0MHz)591mDTG-8100,000W
Channel icons
12 Quest, 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 Al Jazeera Eng, plus 19 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, 21 September 2011
Briantist
sentiment_very_satisfiedOwner

9:05 AM

Gareth Smart: Not according to DMOL Post-DSO Logical Channel Numbers .

link to this comment
Briantist's 38,844 posts GB
Thursday, 22 September 2011
Gareth Smart
sentiment_satisfiedBronze

9:31 PM

Well what made me question it Brian was that pick TV+1 has gone, and insted it is advising us to retune to be able to pick up Challenge on 46. My Freeview box shows what channel the multiplex is on and indeed Challenge has moved onto the same one. Because didn't used to be on ARQB Channel 67? Now its on Multiplex C Channel 56.

Thanks Brian!

link to this comment
Gareth Smart's 43 posts GB
Saturday, 24 September 2011
C
Chris
1:30 PM

When is the power going to be increased on the Mendip tranmitter for those showing as very low currently ?

link to this comment
Chris's 5 posts GB
Sunday, 25 September 2011
M
Mr M. Lee
5:53 PM
Leicester

Mike from LE4 0US. Since the changeover my signal strength has gone from 60% to an erratic 40, 30, 20 15 while i,m watching tv and then I lose it altogether. I.v tweaked my aerial about 10 times and I still cant get common stations such as BBC1, 2, ITV2, Film 4. I have freeview built in the tv But the day of the changeover everything changed. My girlfriend at LE3 1ST also in Leicester along with others have the same promblem. We both have Digial tv aerials. This is seethingly frustrating!!!! Grrr! Can anyone help? (LE4 0US)

link to this comment
Mr M. Lee's 2 posts GB
J
Jim F
sentiment_satisfiedSilver

8:53 PM

Chris: DUK show March 28th next year as the date for the COM mode change (SDN from 2k to 8k) and power up.
N.B. There's a retune event this Wednesday (28th) - all three COM MUXs change channel and Arq A changes mode (16QAM 2k to 64QAM 8k). Don't know if you may get some interim power increase at the same time.

link to this comment
Jim F's 141 posts GB
Tuesday, 27 September 2011
C
Chris.SE
sentiment_satisfiedSilver

10:25 PM

There is some confusion as to where mux ArqA will be later tonight. The OFCOM document Digital Switchover Transmitter Details for the West Region Issue 4
http://stakeholders.ofcom….pdf says it's moving from 56+ to 56.

But DigitalUK Trade View says it's moving to 67 (vacated by ArqB).
Interestingly, DigitalUK TX details page for the West Tranbsmitters shows it as being 56.

We will see later :)

link to this comment
Chris.SE's 251 posts GB
C
Chris.SE
sentiment_satisfiedSilver

10:29 PM

Part of my previous post disappeared!!
I further added -
"Interestingly DigitalUK's Transmitter Details page for the West shows ArqA as being on 56!

We shall see later which is right :)

link to this comment
Chris.SE's 251 posts GB
Wednesday, 28 September 2011
C
Chris.SE
sentiment_satisfiedSilver

4:50 AM

Well, the TradeView was right, ArqA is on 67.

link to this comment
Chris.SE's 251 posts GB
M
Mal
8:49 AM

Changes so far at Mendip this morning.

COM4 is now on C48(690MHz)
COM6 is now on C52(722MHz)

Power now much higher.

link to this comment
Mal's 6 posts GB
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