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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 11/11/2024 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
_______

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), 71 That’s 60s,

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 U&Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 U&Dave ja vu, 58 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 81 Blaze +1, 83 Together TV, 91 WildEarth, 93 ITVBe +1, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 251 Al Jazeera English, 255 FRANCE 24 (in English), 265 Rok Sky +1, plus 29 others

COM5
ArqA
 H max
C33 (570.0MHz)591mDTG-8100,000W
Channel icons
11 Sky Mix, 17 Really, 19 U&Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 U&Drama +1, 65 That's TV 2, 70 Quest +1, 74 &UYesterday +1, 76 That's TV 2 MCR, 233 Sky News, plus 13 others

COM6
ArqB
 H max
C36 (594.0MHz)591mDTG-8100,000W
Channel icons
12 Quest, 25 U&W, 27 U&Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 63 GREAT! romance mix, 73 HobbyMaker, 75 That's 90s, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 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, 18 January 2023
C
Chris.SE
sentiment_very_satisfiedPlatinum

9:04 PM

alan paterson:

Just in case you are not sure where to find the information, it should be something like -
All Settings >Programmes >Programme Tuning & Settings >Signal Test
Then select each one in turn.

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Chris.SE's 4,358 posts GB flag
Thursday, 19 January 2023
A
alan paterson
11:24 AM
Devizes

Chris, post code is SN103ES, Done all that you have suggested , what we have is channel 32, signal strength 46%, and channel 34 signal strength 18%. We have a 4G mobile mast to the north west (our signal from Mendip is due West correctly aligned) about 1.2 km away and I believe this is having an effect on our reception.
I have removed indoor amp and connected aerial direct to my LG smart tv, cleared all memory, reset manually each channel, makes no difference. Occasionally we will pick up another channel but pixelation/break up makes impossible viewing.
Now talking to Resolve TV again, they also thought mobile mast was problem and supplied a free filter, they may send an engineer at no cost to investigate. According to their remit they have authority from mobile license holders to resolve any issues due to mast interference at no cost to user. Will let you know outcome.


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alan paterson's 4 posts US flag
alan's: mapA's Freeview map terrainA's terrain plot wavesA's frequency data A's Freeview Detailed Coverage
C
Chris.SE
sentiment_very_satisfiedPlatinum

1:51 PM

alan paterson:

Thanks for the postcode, you aren't in any not-spot for the signal from Mendip according to the predictions. UHF C32 & C34 could be the strongest according to the predictions. but there should be very little between them all.

Those Strength figures are quite low BUT it is the Quality figures that go with them that are very important. It would also be helpful to see figures for the other UHF channels without & with the amp.

Where is the Filter you currently have inserted. It should be BEFORE THE AMP !
At least you are getting good co-operation from restoretv.uk and yes they are responsible for resolving any issues due to interference from a mobile mast!

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Chris.SE's 4,358 posts GB flag
Wednesday, 25 January 2023
B
bruce tearle
sentiment_satisfiedBronze

9:44 AM

Not really a transmission problem but would welcome any useful advise or indication if other are having similar trouble. Problem is............

Over recent months I have been unable to load Channel 4 via my HUMAX set to box.

Having selected C4 I receive all the pre-programme adverts but then get the 'this is disappointing etc.' screen.

I have tried reset the HUMAX box and resetting C34 which is the Mendip Transmitter channel but with no luck.

I my TV is a Samsung which is to old to receive the ITVX broadcast. Is this why I cannot get C4?

Advice would be most welcome.

Regards

Bruce Tearle

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bruce tearle's 57 posts GB flag
S
StevensOnln1
sentiment_very_satisfiedPlatinum

10:50 AM

bruce tearle: Do you mean the All4 catchup/streaming app? If so, it works using your internet connection and has nothing to do with any signals received via your aerial. What model of Humax box do you have? Have you tried BBC iPlayer or any other apps on the box? Your Samsung TV not being able to get ITVX has nothing to do with the All4 app.

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StevensOnln1's 3,670 posts GB flag
B
bruce tearle
sentiment_satisfiedBronze

11:19 AM

The set top box is FVP-4000T HUMAX and the TV is Samsung. The box and the TV are recognised as not being able to receive the new ITVX transmissions. Both receive TV signal via external aerial and copper coax cable.

Currently, there is no problems receiving other Freeview channels.

Hope this gives sufficient information

Regards

Bruce


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bruce tearle's 57 posts GB flag
S
StevensOnln1
sentiment_very_satisfiedPlatinum

2:55 PM

bruce tearle: As I said, reception of Freeview channels is not the issue here. What I was asking was whether any of the other streaming apps on the Humax such as iPlayer are working?

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StevensOnln1's 3,670 posts GB flag
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 4,358 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 57 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 3,670 posts GB flag
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Your comment please
Please post a question, answer or commentIf you have Freeview reception problems before posting a question your must first do this Freeview reset procedure then see: Freeview reception has changed, Single frequency interference, and Freeview intermittent interference.

If you have no satellite signal, see Sky Digibox says 'No Signal' or 'Technical fault'

If you have other problems, please provide a full (not partial) postcode (or preferably enter it in box at the top right) and indicate where if aerial is on the roof, in the loft or elsewhere.

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