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Freeview Light on the Llanwrtyd Wells (Powys, Wales) transmitter

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52.096,-3.609 or 52°5'46"N 3°36'31"W

LD4 4DP

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): C21: D3+4
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

Over the next week Llanwrtyd Wells relay: TV (digital) Liable to interruption, no analogue radio, no digital radio.

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

Other maps:

Carmel region

BBC Wales

Wales

Radiation patterns

Map key

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

Llanwrtyd Wells 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.

Mux	Aerial position	Frequency	Height	Mode	Watts
PSB1 BBCA	vertical max	C24 (498.0MHz)	268m	64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2	2W
	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	C21+ (474.2MHz)	268m	64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2	2W
	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	C27 (522.0MHz)	268m	256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4	2W
	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 232 The Space,

Looking for these 26 channels?

The Llanwrtyd Wells (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 Llanwrtyd Wells transmitter

BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 72km south-southeast
to BBC Wales region - 205 masts.

ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 74km south-southeast
to ITV Wales region - 205 masts.

How the transmission frequencies change over time

	years	1984-97	1997-98	1998-2009	2009-13	2013-18	2013-18
	aerial group	A K	A K	A K	A K	A K	A K
	C21	BBC1	BBC1	BBC1	+D3+4	+D3+4	+D3+4
	C24	ITV	ITV	ITV	BBCA	BBCA	BBCA
	C27	BBC2	BBC2	BBC2	BBCB	BBCB	BBCB
600	C31	C4	C4	C4

orange background for multiplexes names more

green background for transmission frequencies

lilac background for power levels in watts

800MHz band: 4G mobile to start in 2013

700MHz band: possible 4G in 2019 more

600MHz 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 26th August and 23rd September 2009.

Comparison of old analogue and current digital signal levels

Analogue 1-4	10W
BBCA, D3+4, BBCB	(-7dB) 2W

History of Channel 3 in the Carmel transmitter area

Jan 1958-Jul 1968	Television Wales and the West
Jul 1968-Dec 2014	Harlech Television

Feb 1983-Dec 1992	TV-am•
Jan 1993-Sep 2010	GMTV•
Sep 2010-Dec 2014	ITV Daybreak•

• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Llanwrtyd Wells 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
Saturday 17 March 2012 6:27AM

LLANWRTYD WELLS transmitter - Freeview BBC Digital TV Wrong Region from 23:59 on 14 Mar to 05:56 on 15 Mar BBC Digital TV Wrong Region from 06:05 on 13 Mar to 06:27 on 13 Mar BBC Digital TV Wrong Programme from 06:54 on 13 Mar to 07:02 on 13 Mar BBC Digital TV Wrong Region from 04:39 on 14 Mar [BBC]

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Want to see where a point on a line of sight on a map? Click on UK Free TV!	5
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Want EVEN better ADVANCED aerial to Freeview transmitter terrain plots?	7
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Brighton to be the fourth at800 test area from mid-May 2013	9

jb38 Jane: I am sure that Dave Lindsay meant Ch46, Ch45 simp	1
ozzie Why cant we have The Biggest loser back, either from A	2
Jane Thanks for your quick response, its coming up as channe	3
Dave Lindsay Jane: Bring up the signal strength screen on BB	4
Jane For 30 years I have had a good signal from the Blue Bel	5
Dave Lindsay P Davies: Confirm that your TV is tuned to Wint	6
P Davies My caravan is at LA3 2XA Heysham but I keep losing	7
jb38 Matt: Further to that already mentioned, much as I hate	8
Briantist hey na na whats my name?: Coded Orthogonal Frequen	9
Michael Laura Sharpes: Unless you are managing to pick up 4G	10

Freeview reception predicton	1
Feedback \| Feedback	2
Can I stop paying Sky and use my satellite receiver to get Freeview ?	3
My Freeview box has no EPG, is blank on FIVE, ITV3, ITV4, ITV2+1, has no sound or the channel line up is wrong	4
What can I do when my Sky Digibox says 'No Signal' or 'Technical fault'?	5
All free-to-watch channels	6
What price for an aerial installation? \| Rigger's zone	7
Connecting it all up \| Installing	8
Can I use my ex-contract sky digital satellite receiver to get Freeview channels?	9