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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.

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-3100,000W
Channel icons
1 BBC One (SD) West, 2 BBC Two England, 9 BBC Four, 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, 25 ITV4, 29 E4 +1, 34 ITV +1 (West),

PSB3
BBCB
 H max
C35 (586.0MHz)591mDTG-6100,000W
Channel icons
72 Shopping Quarter , 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, 204 CBBC HD, plus 1 others

COM4
SDN
 H max
C48 (690.0MHz)591mDTG-8100,000W
Channel icons
 CCXTV, 12 Quest, 20 Drama, 21 5USA, 28 ITV2 +1, 31 5STAR, 32 Paramount Network, 41 GREAT! movies action, 45 Channel 5 +1, 55 5SELECT, 57 ITVBe +1, 58 ITV3 +1, 59 ITV4 +1, 63 Blaze, 66 CBS Reality, 68 Horror Channel, 73 Drama +1, 77 TCC, 80 Blaze +1, 203 CITV, 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, 30 4Music, 35 pick, 39 Quest Red, 42 Food Network, 46 Film4 +1, 47 Challenge, 48 4seven, 56 Smithsonian Channel, 69 Quest +1, 74 Yesterday +1, 82 Together TV, 233 Sky News, plus 9 others

COM6
ArqB
 H max
C36 (594.0MHz)591mDTG-8100,000W
Channel icons
23 Dave ja vu, 26 Yesterday, 33 GREAT! movies, 38 DMAX, 40 CBS Justice, 43 HGTV, 67 CBS Drama, 81 Talking Pictures TV, 84 PBS America, 234 RT, 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
 Together TV +1,  Merit, 64 FreeSports, 70 Quest Red +1, 76 Now 70s, 86 More4 +1, 87 PBS America +1, 89 Court TV, 96 Forces TV, 106 BBC Four HD, 107 BBC News HD, 113 RT HD, 114 Quest HD, 205 CBeebies HD, plus 2 others

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 - 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, 22 May 2012
L
Lordgeous
sentiment_satisfiedBronze

9:52 PM

Appreciate what you say. I'm highish up on the northside of Bath (friends in similar position on the south) - but no line of site view of MendipI would use the local relay but it has capacity for only a few channels. All local ariels seem to be aimed at Mendip in my location, as you get higher up out of Bath then the seem mainly to point to Wenvoe (i think). Freeview has worked fine since the digital changeover so what has changed? I will investigate further but I do have one TV on an indoor ariel which gets a very weak signal, cant pickup Mendip with it at all, only the local relay.

link to this comment
Lordgeous's 25 posts GB
Thursday, 24 May 2012
B
Bizman
9:24 PM

@Lordgeous, if as you say "this has to be an intermittent transmitter problem", then how come I get near perfect uninterrupted reception from the Mendip transmitter?

link to this comment
Bizman's 20 posts GB
L
Lordgeous
sentiment_satisfiedBronze

10:35 PM
Bath

I guess there must be something in what JB38 says and I've ordered a variable attenuator to experiment with. What I dont understand is why these problems only started a few weeks ago - I had perfect reception on all channels up til then so maybe theyve upped the signal strength on some stations from Mendip.

Just to clarify what I said before the 'good' signal as displayed on my PVRs and TVs is not EXACTLY 100%, just high. I have two 'high-end' HD PVRs and current Sony, Panasonic & Toshiba TVs, each fed seperately from a 7 way distribution amp (without gain as far as I'm aware), a good rooftop ariel, and as I said this has all worked fine for some time.

Anyway thankyou to this most helpful and informative site - I shall report back.

link to this comment
Lordgeous's 25 posts GB
Friday, 25 May 2012
B
Ben Ward
sentiment_satisfiedBronze

1:30 PM
Melksham

I spoke too soon of course. Signal strength and quality is very variable this week, from nothing to 100%. I will keep plugging away i=at this, as I like a challenge! :-)

link to this comment
Ben Ward's 28 posts GB
Sunday, 27 May 2012
L
Lordgeous
sentiment_satisfiedBronze

6:47 PM
Bath

Contrary, now all channels are working fine for me!

link to this comment
Lordgeous's 25 posts GB
Wednesday, 30 May 2012
B
Ben Ward
sentiment_satisfiedBronze

3:44 PM
Melksham

Lordgeous, I hope your situation remains the same and you continue to get all your channels. We have *some* of our channels now, but not all especially BBC and Channel 4 ones.

link to this comment
Ben Ward's 28 posts GB
Thursday, 31 May 2012
M
Mike
8:58 AM
Poole

My Sony pvr set up for West transmitter has operated perfectly until Rowridge& Poole switchover overnight retunes itself to
channels 27&57 drops all PSB from Mendip other tvs in use are not affected.Manual retune restores the West channels for a day or two any advice would be appreciated

link to this comment
Mike's 2 posts GB
Dave Lindsay
sentiment_very_satisfiedPlatinum

9:20 AM

Mike: A filter could be used to avoid Rowridge, however Poole's channels are interleaved with those of Mendip.

Before you go down the filter route, try attenuating the signals. Attenuators are a few pounds online.

link to this comment
Dave Lindsay's 5,724 posts GB
M
Mike
sentiment_satisfiedBronze

9:31 AM
Poole

Will try attenuator and see if that helps signal strength from West is very high 100% stregth & quality.Perhaps changing to Rowridge vertical might be the answer but rather expensive.

link to this comment
Mike's 29 posts GB
Dave Lindsay
sentiment_very_satisfiedPlatinum

9:56 AM

Mike: You didn't say that you had a Rowridge aerial !!

The thinking with the attenuator is that the signal from the transmitter to which the aerial faces is the strongest. Therefore, reducing them all should leave the one you want the strongest.

However, as you have two aerials, then obviously Mendip and Rowridge may well be the strongest.

What you do depends on what regional programming you want. Also, if you go with Rowridge's PSBs and Mendip's COMs, this may cause issues with the recording aspect of your PVR (programmes not recording). Some devices don't cope well with signals from different transmitters.

link to this comment
Dave Lindsay's 5,724 posts GB
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