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.

BlaenPlwyf 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. The rating shown takes in account the output power level and the various Freeview transmission modes and do not indicate an ongoing fault.

Mux	Effective power level, aerial position	Rating	Mode	Watts
PSB1 BBCA	horizontal	Maximum	64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2	40,000
	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 200 BBC Red Button, 700 BBC Radio 1, 701 BBC 1Xtra, 702 BBC Radio 2, 703 BBC Radio 3, 704 BBC Radio 4, 705 BBC Radio 5 Live, 706 BBC Radio 5 Live Sports Extra, 707 BBC 6 Music, 708 BBC Radio 4 Extra, 709 BBC Asian Network, 710 BBC World Service, 719 BBC Radio Wales, 720 BBC Radio Cymru, • as a digital multiplex transmitted on frequency C27 (522.0MHz) from 331m datum.
PSB2 D3+4	horizontal	Maximum	64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2	40,000
	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), • as a digital multiplex transmitted on frequency C24 (498.0MHz) from 331m datum.
PSB3 BBCB	horizontal	Maximum	256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4	40,000
	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, • as a digital multiplex transmitted on frequency C21+ (474.2MHz) from 331m datum.
COM4 SDN	horizontal	Low	64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2	10,000
	10 ITV 3, 20 G.O.L.D. (not free), 25 Dave ja vu, 26 Home (not free), 27 ITV 2 +1, 28 E4, 30 5*, 31 5USA, 34 ESPN UK (not free), 38 Quest, 39 The Zone, 44 Channel 5 +1, 72 CITV, plus 22 others  Bluebird 1,  Mail Travel TV,  ADULT Playboy, 16 QVC, 23 Bid TV, 49 The Jewellery Channel, 170 ADULT Section, 171 Television X, 180 XxXpanded TV, 201 Teletext Hols, 202 Rabbit, 203 Gay Rabbit, 204 1-2-1 Dating, 228 Christian, 229 CONNECT 2, 230 VISION2, 234 CONNECT 4, 235 God TV, 236 Sony SAB TV Asia, 724 Capital FM, 727 Absolute Radio, 728 Heart, • as a digital multiplex transmitted on frequency C25 (506.0MHz) from 331m datum.
COM5 ArqA	horizontal	Low	64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2	10,000
	TV News,  TV Stars, 11 PICK TV, 12 Dave, 17 Really, 29 E4+1, 32 Movie Mix, 46 Challenge, 48 Food Network, 82 Sky News, 87 Community Channel, plus 9 others 36 Create and Craft, 37 Price Drop TV, 43 Gems TV 1, 173 ADULT smileTV3, 175 ADULT PARTY, 176 ADULT Blue, 177 Babestation Xtra, 206 SkyText, 723 talkSPORT, • as a digital multiplex transmitted on frequency C22+ (482.2MHz) from 331m datum.
COM6 ArqB	horizontal	Low	64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2	10,000
	15 Film 4, 18 4Music, 19 Yesterday, 21 VIVA, 24 ITV 4, 41 Sky Sports 1 (not free), 42 Sky Sports 2 (not free), 47 4seven, 83 Al Jazeera English, 85 RT English , plus 21 others  Kerrang!, 22 Ideal World, 35 QVC Beauty, 40 Rocks and Co 1, 55 Argos TV, 172 ADULT smileTV2, 174 Babestation, 199 ADULT Section, 225 VISION, 226 CCTV, 227 Sports, 231 Racing TV , 306 Channel Zero, 711 The Hits radio, 712 Smash Hits!, 713 Kiss, 714 heat, 715 Magic, 716 Q, 718 Smooth radio, 725 Premier Radio, • as a digital multiplex transmitted on frequency C28 (530.0MHz) from 331m datum.

Regional news from the BlaenPlwyf transmitter

How the transmission frequencies change over time

	years	1950s~85	1984-97	1997-98	1998-2010	2010-13	2013-18	2013-18
	aerial group	VHF	A K	W	W	A K	A K	A K
	C3	BBCtv
	C21		C4	C4	C4	+BBCB	+BBCB	+BBCB
	C22				+2	+ArqA	+ArqA	+ArqA
	C24		ITV	ITV	ITV	D3+4	D3+4	D3+4
	C25				+A	SDN	SDN	SDN
	C27		BBC2	BBC2	BBC2	BBCA	BBCA	BBCA
	C28				+1	ArqB	ArqB	ArqB
	C29				+C
600	C31		BBC1	BBC1	BBC1
	C32				+B
	C33				+D
700	C56			C5	C5

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 10th February and 10th March 2010.

Comparison of old analogue and current digital signal levels

Analogue 1-4	100kW
BBCA, D3+4, BBCB	(-4dB) 40kW
SDN, ARQA, ARQB	(-10dB) 10kW
Analogue 5	(-14dB) 4kW
Mux 1*, Mux 2*, Mux A*, Mux B*	(-17dB) 2kW
Mux C*, Mux D*	(-20dB) 1000W

History of Channel 3 in the Blaen-Plwyf transmitter area

Jan 1958-Jul 1968 Television Wales and the West Jul 1968-Feb 2004 Harlech Television Feb 2004-Dec 2014 ITV plc

• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. BlaenPlwyf 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.