Freeview: Llanbrynmair (Powys, Wales) Freeview Light transmitter
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Freeview Light on the Llanbrynmair (Powys, Wales) transmitter

Google mapBing mapGoogle Earth52.628,-3.638 or 52°37'40"N 3°38'18"WSY19 7DX

4G at 800MHz (at800) Freeview reception issues

When 800MHz 4G mobile broadband services start there will be 1 multiplex in the higher risk range (C21-23, C30, C59-60): C22: BBCB
See How do I know if the 4G broadband will overload my Freeview? and Full UK map of 4G issue areas for details.

Transmitter faults and engineering works

LLANBRYNMAIR transmitter - Freeview: BBC Digital TV Off Air from 19:43 on 20 May to 20:18 on 20 May, HD Digital TV Off Air from 19:43 on 20 May to 20:18 on 20 May. BBC


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The symbol shows the location of the Llanbrynmair (Powys, Wales) transmitter which serves less than 500 homes.

Other maps:Long Mountain regionBBC WalesWales

Radiation patterns

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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.


List by multiplex|List by channel number|List by channel name|See terrain plot

Llanbrynmair transmitter Freeview broadcasts

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.

MuxAerial positionFrequencyHeightModeWatts
PSB1
BBCA
 vertical max
C25 (506.0MHz)300m64QAM 8K 2/3
24.1Mb/s DVB-T MPEG2		4W
Channel icons
1 BBC One Wales, 2 BBC Two Wales, 7 BBC Three, 9 BBC Four, 70 CBBC Channel, 71 CBeebies, 80 BBC News, 81 BBC Parliament, 301 301, plus 14 others

PSB2
D3+4
 vertical max
C28 (530.0MHz)300m64QAM 8K 2/3
24.1Mb/s DVB-T MPEG2		4W
Channel icons
3 ITV (Wales), 4 S4C, 5 Channel 5 Part Network ads, 6 ITV 2, 8 Channel 4 South ads, 13 Channel 4+1 South ads, 14 More 4, 33 ITV +1 (Wales),

PSB3
BBCB
 vertical max
C22 (482.0MHz)300m256QAM 32KE 2/3
40.2Mb/s DVB-T2 MPEG4		4W
Channel icons
101 BBC One HD Wales, 102 BBC Two HD (England), 103 ITV HD (ITV Central West), 104 Channel 4 HD South ads, plus 1 others



Looking for these 26 channels?



The Llanbrynmair (Powys, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4Music, 4seven, 5*, 5USA, Al Jazeera English, Challenge, Channel 5 +1, CITV, Community Channel, Dave, Dave ja vu, E4+1, Film 4, Food Network, ITV 2 +1, ITV 3, ITV 4, Movie Mix, PICK TV, Quest, Really, RT English , Sky News, The Zone, VIVA, Yesterday.

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.

Regional news from the Llanbrynmair transmitter


BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 129km south-southeast
to BBC Wales region - 205 masts.

ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 132km south
to ITV Wales region - 205 masts.

How the transmission frequencies change over time

years1984-971997-981998-20092009-132013-182013-18
aerial groupA KA KA KA KA KA K
C22BBC1BBC1BBC1BBCBBBCBBBCB
C25ITVITVITVBBCABBCABBCA
C28BBC2BBC2BBC2D3+4D3+4D3+4
600C32C4C4C4

orange background for multiplexes names moregreen background for transmission frequencieslilac background for power levels in watts800MHz band: 4G mobile to start in 2013700MHz band: possible 4G in 2019 more600MHz band: new or moved digital TV services more
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W
Italics for analogue, digital switchover was Wednesdays 4th November and 3rd December 2009.

Comparison of old analogue and current digital signal levels

Analogue 1-4 20W
BBCA, D3+4, BBCB(-7dB) 4W

History of Channel 3 in the Long Mountain transmitter area

Jan 1958-Jul 1968Television Wales and the West
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Llanbrynmair 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.


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Transmitter engineering
Wednesday 22 May 2013 3:09PM
LLANBRYNMAIR transmitter - Freeview: BBC Digital TV Off Air from 19:43 on 20 May to 20:18 on 20 May, HD Digital TV Off Air from 19:43 on 20 May to 20:18 on 20 May. [BBC]
updates
Automatic update every 1 minute
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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