Full Freeview on the BlaenPlwyf (Ceredigion, Wales) transmitter

Brian Butterworth first published this on 1st May 2004 at 08:20 - UK Free TV

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52.361,-4.103 or 52°21'38"N 4°6'10"W

SY23 4QH

The symbol shows the location of the BlaenPlwyf (Ceredigion, Wales) transmitter which serves 17,000 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.

Are there any planned engineering works or unexpected transmitter faults on the BlaenPlwyf (Ceredigion, Wales) mast?

Blaenplwyf transmitter - Blaenplwyf transmitter: Possible effect on TV reception week commencing 05/06/2023 Pixelation or flickering on some or all channels

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name

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Which Freeview channels does the BlaenPlwyf 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.

Mux	H/V	Frequency	Height	Mode	Watts
PSB1 BBCA	H max	C27 (522.0MHz)	331m	DTG-	40,000W
	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	H max	C24 (498.0MHz)	331m	DTG-	40,000W
	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	H max	C21+ (474.2MHz)	331m	DTG-	40,000W
	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 66 TBN UK,
COM4 SDN	H -6dB	C25 (506.0MHz)	331m	DTG-8	10,000W
	E4 (Wales), 20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 41 Legend, 46 Channel 5 +1, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 74 Dave ja vu, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 203 CITV, 208 Pop Player, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 14 others
COM5 ArqA	H -6dB	C22+ (482.2MHz)	331m	DTG-8	10,000W
	11 Sky Arts, 17 Really, 19 Dave, 31 E4 Extra, 36 pick, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 57 Smithsonian Channel, 60 Drama +1, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 9 others
COM6 ArqB	H -6dB	C28 (530.0MHz)	331m	DTG-8	10,000W
	12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 71 Quest Red +1, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 88 Classic Hits, 235 Al Jazeera Eng, plus 19 others

DTG-8 64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)

Are you trying to watch these 0 Freeview HD channels?

The BlaenPlwyf (Ceredigion, Wales) mast is not one of the extended Freeview HD (COM7 and COM8) transmitters, it does not provide these high definition (HD) channels: .

If you want to watch these HD channels, either use Freesat HD, or move your TV aerial must point to one of the 30 Full Freeview HD transmitters. For more information see the want to know which transmitters will carry extra Freeview HD? page.

Which BBC and ITV regional news can I watch from the BlaenPlwyf transmitter?

BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 113km south-southeast (149°)
to BBC Wales region - 206 masts.

ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 115km south-southeast (151°)
to ITV Wales region - 206 masts.

How will the BlaenPlwyf (Ceredigion, Wales) transmission frequencies change over time?

	1950s-80s	1984-97	1997-98	1998-2010	2010-13	31 Oct 2018
	VHF	A K T	W T	W T	A K T	A K T
C3	BBCtv_waves
C21		C4_waves	C4_waves	C4_waves	+BBCB	BBCB
C22					+ArqA	ArqA
C24		ITV_waves	ITV_waves	ITV_waves	D3+4	D3+4
C25					SDN	SDN
C27		BBC2_waves	BBC2_waves	BBC2_waves	BBCA	BBCA
C28					ArqB	ArqB
C31		BBC1_waves	BBC1_waves	BBC1_waves
C56_{tv_off}			C5_waves	C5_waves

_{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 10 Feb 10 and 10 Mar 10.

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

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

Local transmitter maps

BlaenPlwyf Freeview Blaenplwyf TV region BBC Wales Wales

Which companies have run the Channel 3 services in the Blaenplwyf transmitter area

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

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. 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.

Is the transmitter output the same in all directions?

Radiation patterns withheld

P

pete
9:11 AM
Aberystwyth

why are we unable to receive at sy23 4ha? Also we have on and fm radio.

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pete's 1 post

MikeP

_{sentiment_very_satisfied}Platinum

10:26 AM

Pete:

Look at the UK Coverage Checker results for your location at Coverage Checker - Detailed View That shows you should get good from the .

If you are not then check all your system, checking to any damage to the cables and for any poor connections. If there are coaxial plugs/sockets then unplug thos and refit them, that removes any corrosion/oxidation on the contacts which is a common cause if signal problems.

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MikeP's 3,056 posts

Transmitter engineering