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Freeview Light on the Long Mountain (Powys, Wales) transmitter

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps52.644,-3.088 or 52°38'39"N 3°5'16"Wsa_postcodeSY21 8JA

 

The symbol shows the location of the Long Mountain (Powys, Wales) transmitter which serves 9,500 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 Long Mountain (Powys, 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 Long Mountain 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
C33- (569.8MHz)454mDTG-3400W
Channel icons
1 BBC One (SD) Wales, 2 BBC Two Wales, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 13 others

PSB2
D3+4
 V max
C36 (594.0MHz)454mDTG-3400W
Channel icons
5 Channel 5, 6 ITV 2, 10 ITV3, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 30 E4 +1, 35 ITV1 +1 (Wales),

PSB3
BBCB
 V max
C48 (690.0MHz)454mDTG-6400W
Channel icons
56 5SELECT, 101 BBC One HD Wales, 102 BBC Two HD (England), 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 110 Channel 4 HD (Wales), 204 CBBC HD, 205 CBeebies HD, plus 1 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
H/V: aerial position (horizontal or vertical)

Are you trying to watch these 43 Freeview channels?

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

The Long Mountain (Powys, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Blaze, Blaze +1, CBS Reality, Challenge, Channel 5 +1, CITV, YAAAS!, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, Film4 +1, Food Network, GB News, GREAT! movies, GREAT! movies action, HGTV, HobbyMaker, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, pick, POP MAX, Quest +1, Quest Red, Really, Sky News, Smithsonian Channel, Talking Pictures TV, TCC, That's TV (UK), Together TV, W, Yesterday +1.

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 Long Mountain transmitter?

regional news image
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 128km south (186°)
to BBC Wales region - 206 masts.
regional news image
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 132km south (187°)
to ITV Wales region - 206 masts.

How will the Long Mountain (Powys, Wales) transmission frequencies change over time?

1984-971997-981998-20092009-1331 Oct 2018
C/D EC/D EC/D EC/D E TK T
C33BBCA
C36D3+4
C48BBCB
C53tv_offD3+4
C54tv_offC4wavesC4wavesC4waves
C57tv_offBBCB
C58tv_offBBC1wavesBBC1wavesBBC1waves
C60tv_off-BBCA
C61ITVwavesITVwavesITVwaves
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 4 Nov 09 and 3 Dec 09.

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

Analogue 1-4 1000W
BBCA, D3+4, BBCB(-4dB) 400W

Which companies have run the Channel 3 services in the Long Mountain 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. Long Mountain 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.

Is the transmitter output the same in all directions?

Radiation patterns withheld

Comments
Sunday, 6 February 2011
Richard Jones
sentiment_satisfiedBronze

11:28 PM

Friday's failure had nothing to do to with the method of transmission, but I don't recall such a long outage. I thought it was meant to be covered by backup generators? But this is a separate issue to the one of its unreliability post-DSO.

link to this comment
Richard Jones's 28 posts GB
Monday, 7 February 2011
J
john bayliss
2:58 AM

A conspiracy, Briantist?

I don't believe Lee Harvey Oswald shot the transmitter.

But it is unequivocally the case that the government decided that digital TV was the (only) way forward; and it is also certainly the case that if I wanted to watch TV, post switchover, then I HAD to buy digital equipment.

If there is any part of that you think is inaccurate, do feel free to rip it to shreds.

link to this comment
john bayliss's 6 posts GB
Briantist
sentiment_very_satisfiedOwner

7:35 AM

john bayliss: Well, there is the tiny matter that the digital coverage areas match exactly the analogue ones.

If you had an analogue alternative, you now have an identical digital one.

link to this comment
Briantist's 38,844 posts GB
Briantist
sentiment_very_satisfiedOwner

7:37 AM

Richard Jones: The main transmitters have full power backup systems, but on the relay transmitters, no additional power backup systems have been installed. If there wasn't a generator for analogue, there won't be one now.

link to this comment
Briantist's 38,844 posts GB
Richard Jones
sentiment_satisfiedBronze

5:14 PM

Long Mountain's a main transmitter, not a relay.

link to this comment
Richard Jones's 28 posts GB
J
Jordy
sentiment_satisfiedGold

6:24 PM

Richard Jones - Long Mountain may be line fed and an 'island' site with dependents but for all organisational purposes it is still a relay of Blaenplwyf much the same as Torosay is organisationally speaking a dependant of Blackhill...

link to this comment
Jordy's 1,827 posts GB
Mark A.
sentiment_satisfiedGold

7:53 PM
Haywards Heath

Richard Jones
I believe all main transmitters aerials are horizontal polarization and relays are vertical polarization.
Long Mountain is still listed as a vertical polarization.
If they switched polarization then everyone would have to adjust their aerial to get a proper signal.

link to this comment
Mark A.'s 368 posts GB
Briantist
sentiment_very_satisfiedOwner

7:59 PM

Mark A.: Also this transmitter only has three multiplexes and is not one of the 81 main Freeview transmitters.

link to this comment
Briantist's 38,844 posts GB
J
Jordy
sentiment_satisfiedGold

8:29 PM

Mark A - That isn't entirely correct some high power relays use HP, Cambret Hill being a good example...

link to this comment
Jordy's 1,827 posts GB
Wednesday, 9 February 2011
T
Tom Williams
10:00 AM
Oswestry

At the risk of hijacking this thread, (Should I start a new one? please advise)
I live in Oswestry, slightly North of the town and approx 500ft ASL. At present I receive good analogue from the Wrekin TX on an old aerial that's been here long before I moved in.
As a welsh speaking Welshman I would very much like to receive BBC Wales etc and have been contemplating buyin a Hi gain aerial to pick up the Long Mountain digital transmissions but reading the above comments I'm thinking that perhaps I'm wasting my time planning in this direction.
Maybe I should wait until the Wrekin fires up to provide me with a decent "English" transmission and buy a suitable new Aerial for that to guarantee good digital reception and try and get the Welsh progs by satellite.
Advice would be appreciated.
Regards
Tom Williams

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Tom Williams's 3 posts GB
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