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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 06/12/2021 Screen may go black 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 Player, 211 Ketchup TV, 212 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 9 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, 91 Classic Hits, 235 Aljazeera English, plus 18 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?

1984-971997-981998-20102010-1327 Mar 132013-1727 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
Tuesday, 17 April 2018
C
Chris.SE
sentiment_very_satisfiedPlatinum

12:55 AM

Terry: David Newton is very unlikely to respond to your query as his post is very very old, and his problem appears to be due to having an old band C/D aerial.
In your case it's as StevensOnln1 explains, you will get ITV Central instead. This is because of the way ITV distributes the HD channels to transmitters - it's separate from the SD channel distribution.

link to this comment
Chris.SE's 3,042 posts GB
Thursday, 26 April 2018
W
wes.w
3:03 PM

If you've lost ITV3 in the last month it has moved. Its now on PSB2 (C54/738.0MHz) same as ITV, ITV2 and ITV4.

I was very pleased to see that the software on my TV (Bush Freeview Play HD 32" Argos special, bought just before Xmas) now has two options if you go for a full retune - the usual "replace all channels" and a new "update all channels" which keeps the channels in the order I want, rather than the muddled order they used to come in.

link to this comment
wes.w's 1 post GB
S
SJ Dunnett
7:39 PM
Wellington

TA21 8BH
Hello, I wish to get a digital aerial For top of stairs ,next to bathroom, and receive TV channels, so need distance as crow flys and good brand for weak reception area.

link to this comment
SJ Dunnett's 1 post GB
G
Gary Colby
9:23 PM

Just to update.

Got an aerial guy from Aerial Express to come round and replace my aerial. Don't know the make or model, but the problem has gone, and I'm getting a signal strength of 10 where as before it was just one.

So sorted.

Thanks for the feedback guys.

link to this comment
Gary Colby's 5 posts GB
S
StevensOnln1
sentiment_very_satisfiedPlatinum

11:04 PM

SJ Dunnett: There is no such thing as a digital aerial. An aerial is a piece of metal which receives radio waves and does not know or care whether they are analogue or digital. The prediction for your postcode shows that you should get a good signal from the Mendip transmitter, although you are 52km away so you would be better off having an aerial fitted on the roof (of maybe in the loft) rather than trying to use an indoor aerial.

link to this comment
StevensOnln1's 3,358 posts GB
Saturday, 28 April 2018
J
Jackie Webb
9:12 PM

Since the change over I have problems with a bad signal for sky news?

link to this comment
Jackie Webb's 3 posts GB
S
StevensOnln1
sentiment_very_satisfiedPlatinum

11:31 PM

Jackie Webb: Sky News is on the COM5 multiplex which moved to a new frequency a couple of months ago, which is outside the range that a Group C/D aerial (which you are likely to be using for Mendip) was designed to receive. If you don't have satellite or cable you may be eligible to have a replacement wideband aerial fitted free of charge, which can be arranged by contacting the Freeview Advice Line (see link below).

Important changes to Freeview TV signals | Freeview

link to this comment
StevensOnln1's 3,358 posts GB
Tuesday, 1 May 2018
C
Chris.SE
sentiment_very_satisfiedPlatinum

1:05 AM

SJ Dunnett: In addition to what has already been said by StevensOnln1, you heed a high(ish) gain wideband (group T) or log periodic (log36) aerial. You have line of sight to the transmitter so should not have any problems. You should not need anything as big and clumsy as a Tri-beam or a 22 element. Unless you are planning to install the aerial yourself, I would seek the advice of a CAI registered aerial installer.

Jackie Webb: A lot will depend on your location (need your postcode to see what predicted reception is for your location) and how old your current aerial is. After Ch.5 analogue (UHF35) started transmitting from Mendip (long before digital), there were some "enhanced" C/D group aerials produced which weren't too bad at the 30's UHF channel range. It would be a good idea to check that you are actually tuned to the correct UHF channel for COM5. See my post Tuesday, 6 March 2018 3:55 PM for detail. Check your TV manual for how to do this & manual tuning.

link to this comment
Chris.SE's 3,042 posts GB
Wednesday, 9 May 2018
A
A G Hearn
11:12 AM

Hello,
Since the change in frequencies I have been unable to receive Sky News and Dave.
I have installed what I thought was an upgraded wide band aerial Screwfix high gain 48 element code30515 but no better. I note both are on channel 36 ARQA.
I also have a Tevion 14dB amp in circuit.

Can you advise further please. Aerial is on roof. Thought of higher pole as on bungalow.

link to this comment
A G Hearn's 2 posts GB
J
js
sentiment_satisfiedGold

11:26 AM

A G Hearn: ARQ A is on UHF channel 33 from Mendip. see:

Coverage Checker - Detailed View

link to this comment
js's 789 posts NL
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