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Freeview Light on the Backwell (North Somerset, England) transmitter

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.441,-2.724 or 51°26'28"N 2°43'25"Wsa_postcodeBS48 1NY

 

The symbol shows the location of the Backwell (North Somerset, England) transmitter which serves 4,600 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 Backwell (North 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 Backwell 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
 V max
C25 (506.0MHz)125mDTG-19W
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
 V max
C28 (530.0MHz)125mDTG-19W
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
 V max
C22 (482.0MHz)125mDTG-19W
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

H/V: aerial position (horizontal or vertical)

Are you trying to watch these 44 Freeview channels?

the effected channels
the effected channels
the effected channels
the effected channels

The Backwell (North Somerset, England) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: U&Yesterday, 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Al Jazeera English, Blaze, Blaze +1, Challenge, Channel 5 +1, DMAX, E4 Extra, YAAAS!, Film4 +1, Food Network, FRANCE 24 (in English), GREAT! action, GREAT! christmas, GREAT! movies, GREAT! romance mix, HGTV, HobbyMaker, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, Quest +1, Quest Red, Really, Sky Mix, Sky News, Talking Pictures TV, That's 90s, That's TV 2, Together TV, TRUE CRIME, TRUE CRIME XTRA, U&Dave, U&Dave ja vu, U&Drama +1, U&W.

If you want to watch these channels, your aerial must point to one of the 80 Full service Freeview transmitters. For more information see the will there ever be more services on the Freeview Light transmitters? page.

Which BBC and ITV regional news can I watch from the Backwell transmitter?

regional news image
BBC Points West 0.9m homes 3.4%
from Bristol BS8 2LR, 8km east-northeast (75°)
to BBC West region - 60 masts.
regional news image
ITV West Country News (East) 0.9m homes 3.4%
from Bristol BS4 3HG, 11km east (90°)
to ITV West region - 61 masts.
All of lunch, weekend and 50% evening news is shared with West Country (West)

How will the Backwell (North Somerset, England) transmission frequencies change over time?

1984-971997-981998-20102010-135 Jun 2019
A K TA K TA K TA K TA K T
C22BBC1wavesBBC1wavesBBC1wavesBBCBBBCB
C25ITVwavesITVwavesITVwavesBBCABBCA
C28BBC2wavesBBC2wavesBBC2wavesD3+4D3+4
C32C4wavesC4wavesC4waves

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 94W
BBCA, D3+4, BBCB(-6.9dB) 19W

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. Backwell 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
Monday, 8 April 2024
C
Chris.SE
sentiment_very_satisfiedPlatinum

9:24 PM

Paul Dursley:

That low quality on C28 does suggest there's some interference problems, so Restore TV should be sending you a filter.
Just now when I checked, PSB3 from Mendip seemed normal, I think Backwell is an off-air relay but can't find definite confirmation of that, but unless the interference is completely wiping out C22, it's odd.
Do check that you don't have any corrosion or water in your coax connections, this can cause odd effects.

PS, As Wenvoe is so strong, have you tried manual tuning C42, C45 & C39 for the COM muxes and possibly C37 for the Local mux?

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Chris.SE's 4,391 posts GB flag
P
Paul Dursley
sentiment_satisfiedBronze

9:43 PM

Chris.SE:
CH37 Quality 0/10; strength 0/10
CH39 quality 2/10; strength 4/10
CH42 quality 0/10; strength 2/10
CH45 quality 6-7/10; strength 4.6/10

I'll check for water ingress in some daylight!

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Paul Dursley's 31 posts GB flag
S
Steve Donaldson
sentiment_satisfiedSilver

9:46 PM

Paul Dursley: If you are now receiving BBC One West HD then you must be getting it from Backwell or Mendip -- you cannot be getting it from Wenvoe.

Does the signal information/strength screen tell you what UHF channel or frequency it is tuned to for BBC One HD?

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Steve Donaldson's 261 posts GB flag
C
Chris.SE
sentiment_very_satisfiedPlatinum

10:00 PM

Paul Dursley:

Shame those COMs have poor quality although COM5 isn't too bad and COM6 may be usable, though they could all change a bit with the weather.

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Chris.SE's 4,391 posts GB flag
P
Paul Dursley
sentiment_satisfiedBronze

10:00 PM

Steve Donaldson:
Hi Steve,
still not receiving West of England HD TV - only BBC Wales HD on BBC 1 and BBC 2.
West of England HD TV not been received for 2 - 3 days even after more than a dozen re-tunes.
Not sure what the channel 37, 39, 42 and 45 results is telling us all I can report is BBC West HD is missing and my TV is tuning to BBC Wales as 'strongest signal' option for BBC 1 and 2 HD

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Paul Dursley's 31 posts GB flag
S
Steve Donaldson
sentiment_satisfiedSilver

10:46 PM

Paul Dursley: I thought you had successfully tuned in the BBC West HD channels as in your posting at 8:54 PM you said you selected the West region and that that allowed them to come through.

Reception of Mendip at the Backwell transmitter appears not to be as ideal as Arqiva (the company responsible for the transmitter) would like it to be. I say this because the receiving antenna arrangement consists of two aerials, one mounted above the other. Usually relays have just one.

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Steve Donaldson's 261 posts GB flag
C
Chris.SE
sentiment_very_satisfiedPlatinum

10:48 PM

Paul Dursley:

Well as the set isn't finding any stronger HD multiplex signals then that why it finds Wenvoe or should I say to be more precise, puts them in HD EPG slots.
The COM mux results from Wenvoe don't "tell us" anything special, after all your aerial is vertically polarised pointing at Backwell. Wenvoe signals which are horizontally polarised, are being received of aerial side lobes etc and will therefore be much weaker than if the aerial was horizontal and pointing at Wenvoe.


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Chris.SE's 4,391 posts GB flag
Tuesday, 9 April 2024
P
Paul Dursley
sentiment_satisfiedBronze

11:47 AM

Steve Donaldson:
Hi Steve - filter on the way from Restore TV
I'll report back after receipt and fitment of the filter
Thanks

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Paul Dursley's 31 posts GB flag
P
Paul Dursley
sentiment_satisfiedBronze

11:47 AM

Chris.SE:
Hi Chris - filter on the way from Restore TV
I'll report back after receipt and fitment of the filter
Thanks

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Paul Dursley's 31 posts GB flag
P
Paul Dursley
sentiment_satisfiedBronze

3:33 PM

Paul Dursley:
Steve/Chris - hopefully you are both picking this message up.
Miraculously C22 has returned - it was there when I switched on sometime after midday. It was definitely absent before during the morning period. Coming through with a steady 6/10 for both signal strength and quality.
Not as good as C25 and C28 which are both 10/10 for quality and 7-8/10 for strength
We still have strong winds in the area through this morning and still blowing now. Atmospherics have improved though.
Other than speaking with Restore TV this morning I've done nothing to alleviate the problem.
Mysterious.....

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Paul Dursley's 31 posts GB flag
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