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Freeview Light on the Alltwen (Neath Port Talbot, Wales) transmitter

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.719,-3.860 or 51°43'9"N 3°51'37"Wsa_postcodeSA8 4AA

 

The symbol shows the location of the Alltwen (Neath Port Talbot, Wales) transmitter which serves 2,000 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 Alltwen (Neath Port Talbot, Wales) 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 Alltwen 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
C43 (650.0MHz)158mDTG-32W
Channel icons
9 BBC Four, 201 CBBC SD, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 13 others

PSB2
D3+4
 V max
C46 (674.0MHz)158mDTG-32W
Channel icons
5 Channel 5 (SD), 6 ITV 2, 10 ITV3, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 24 ITV4, 33 ITV +1 (Wales), 45 Film4 +1,

PSB3
BBCB
 V max
C40 (626.0MHz)158mDTG-62W
Channel icons
86 More4 +1, 104 Channel 4 HD South ads, 105 Channel 5 HD, 204 CBBC HD,

DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
H/V: aerial position (horizontal or vertical)

Are you trying to watch these 60 Freeview channels?

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

The Alltwen (Neath Port Talbot, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4Music, 4seven, 4seven HD, 5SELECT, 5Spike, 5STAR, 5STAR +1, 5USA, 5USA +1, AlJazeera English (SD), Aljazeera English HD, BBC Four HD, BBC News HD, Blaze, Blaze +1, CBeebies HD, CBS Drama, CBS Justice, CBS Reality, CBS Reality +1, Challenge, Channel 4+1 HD, Channel 5 +1, CITV, Dave, Dave ja vu, DMAX, Drama, E4 +1, Food Network, Forces TV, Freesports, Home, Horror Channel, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Together TV +1, Movies4Men, NOW 80s, Now 90s, Paramount Network, PBS America, pick, Pick +1, Quest +1, Quest Red, Quest Red +1, Really, RT HD, Sewing Quarter, Sky News, Smithsonian Channel HD, Sony Movie Channel, Talking Pictures TV, TCC, Together TV, Yesterday, YourTV.

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 Alltwen transmitter?

regional news image
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 50km east-southeast (120°)
to BBC Wales region - 206 masts.
regional news image
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 50km southeast (126°)
to ITV Wales region - 206 masts.

How will the Alltwen (Neath Port Talbot, Wales) transmission frequencies change over time?

1984-971997-981998-20092009-1313 Mar 132013-1730 Jun 2019-
B E TB E TB E TB E TB E K TB E K TB E K T
C40BBC1wavesBBC1wavesBBC1waves BBCBBBCBBBCB
C43ITVwavesITVwavesITVwavesBBCABBCABBCABBCA
C46BBC2wavesBBC2wavesBBC2wavesD3+4D3+4D3+4D3+4
C50tv_offC4wavesC4wavesC4wavesBBCB

tv_off Being removed from Freeview (for 5G use) by 30 June 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 12 Aug 09 and 9 Sep 09.

How do the old analogue and currrent digital signal levels compare?

Analogue 1-4 6W
BBCA, D3+4, BBCB(-4.8dB) 2W

Which companies have run the Channel 3 services in the Kilvey Hill 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. Alltwen 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
Friday, 22 July 2011
Transmitter engineering
sentiment_very_satisfiedOwner

10:49 AM

ALLTWEN transmitter - Freeview BBC Digital TV Off Air from 08:57 today to 09:44 today HD Digital TV Off Air from 08:57 today to 09:44 today [BBC]

link to this comment
Transmitter engineering's 127,861 posts xx
Saturday, 23 July 2011
Transmitter engineering
sentiment_very_satisfiedOwner

6:39 AM

ALLTWEN transmitter - Freeview BBC Digital TV Off Air from 08:57 yesterday to 09:44 yesterday HD Digital TV Off Air from 08:57 yesterday to 09:44 yesterday [BBC]

link to this comment
Transmitter engineering's 127,861 posts xx
Sunday, 24 July 2011
Transmitter engineering
sentiment_very_satisfiedOwner

4:52 AM

ALLTWEN transmitter - Freeview BBC Digital TV Off Air from 08:57 on 22 Jul to 09:44 on 22 Jul HD Digital TV Off Air from 08:57 on 22 Jul to 09:44 on 22 Jul [BBC]

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Transmitter engineering's 127,861 posts xx
Thursday, 29 December 2011
C
Chris Clement
10:35 AM

I live on Brecon Road in Pontardawe directly opposite Alltwen Hill Transmitter, no more than a mile away as we have direct line of sight.I have a low signal aerial with the elements vertical, as instructed, yet I still have pictures breaking & I have lost several channels to low signal. The breaking picture is worse with some channels than others & the ones I have lost there seems to be no reason for as nothing has changed. I have noticed that my next door neighbour has recently had an aerial fitted but that is pointing to Kilvay Hill transmitter. Do I need to do this to get a good signal as Alltwen is totally rubbish?

link to this comment
Chris Clement's 1 post GB
Dave Lindsay
sentiment_very_satisfiedPlatinum

11:25 AM

Chris Clement: Alltwen only broadcasts the Public Service Broadcaster (PSB) channels/multiplexes. This covers all BBC channels, ITV1, ITV2, S4C, C4, E4, More4, C5 and a few others. If the reception of these channels are OK, then there is probably no issue with your reception from Alltwen. It also means that if your tuner has picked up the commercial channels (ITV3, Pick TV, Dave etc), then they will be coming from somewhere else which will explain poor reception on those channels.

It is possible that your tuner has decided to go with the signals coming from another transmitter and the two likely suspects for this in your area are Kilvey Hill and Pontardawe. Have you confirmed that BBC and ITV1/C4/C5 are tuned to Ch43 and Ch46 respectively. (Also Ch50 for HD services where applicable). This information will probably be given on the signal strength/quality screen whilst one of those stations are selected.

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Dave Lindsay's 5,724 posts GB
Dave Lindsay
sentiment_very_satisfiedPlatinum

12:55 PM

Chris Clement: If BBC is tuned to Ch23 and ITV1 to Ch26, then your receiver is tuned to Kilvey Hill. Alltwen's services might be in the 800s.

If BBC is 61 and ITV1 58, then it is on Pontardawe transmitter.

The likely reason for changing an aerial from a small relay to a main station/larger relay (where reception from such a station is possible) is so as to get the commercial channels (as the small relays don't carry them). In the days of four-channel analogue it didn't matter as far as viewer choice was concerned.

Today there are those who may be better served by relays (with what you might call a "normal" aerial) who will invest in a larger and more expensive aerial installation so as to pick up from the main station in order to get the commercial channels. There are also those who have no choice but to go with the relay.

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Dave Lindsay's 5,724 posts GB
Dave Lindsay
sentiment_very_satisfiedPlatinum

12:59 PM

Chris Clement: If it is tuned to another transmitter, you might (depending on the design of the receiver) be able to delete the current channels and manually tune in the two or three required.

Or run the auto tune scan with the aerial unplugged up until 25% and then unplug it again when it gets to 65%. That way you will only have it plugged in for Alltwen (Kilvey Hill uses lower frequencies and Pontardawe uses higher ones).

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Dave Lindsay's 5,724 posts GB
Wednesday, 23 April 2014
Transmitter engineering
sentiment_very_satisfiedOwner

11:28 AM

ALLTWEN transmitter - Freeview: BBC Digital TV Off Air from 10:25 today, HD Digital TV Off Air from 10:25 today. [BBC]

link to this comment
Transmitter engineering's 127,861 posts xx
Transmitter engineering
sentiment_very_satisfiedOwner

1:27 PM

ALLTWEN transmitter - Freeview: BBC Digital TV Off Air from 10:25 today to 11:45 today, HD Digital TV Off Air from 10:25 today to 11:45 today. [BBC]

link to this comment
Transmitter engineering's 127,861 posts xx
Thursday, 24 April 2014
Transmitter engineering
sentiment_very_satisfiedOwner

1:28 AM

ALLTWEN transmitter - Freeview: BBC Digital TV Off Air from 10:25 yesterday to 11:45 yesterday, HD Digital TV Off Air from 10:25 yesterday to 11:45 yesterday. [BBC]

link to this comment
Transmitter engineering's 127,861 posts xx
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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.

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